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Toshiba T2150CD Personal Computer User Manual

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1. The T2150CD series computer s CPU automatically goes into a halt state when it is not used for a specific time period This function saves battery power Light gray keys with white lettering make up the keypad overlay which lets you use the keyboard for ten key operations or cursor control A microprocessor in the computer s intelligent power supply detects the battery s charge and calculates the remaining battery capacity which is displayed in the Pop up Window and MaxTime It also protects electronic components from abnormal conditions such as voltage overload from an AC power source This feature lets you save battery power You can set this mode by using the TSETUP program MaxTime or hotkey Your password increases data security by preventing others from accessing your computer when the power is off A hotkey function blanks the screen and disables keyboard use except for password entry preventing access to the computer until the password is entered This feature turns power to the computer off when the display panel is closed and turns it back on when the panel is opened This convenient feature can be enabled through the TSETUP program or MaxTime When battery power is exhausted to the point that computer operation cannot be continued the system automatically enters the resume mode and shuts down It is effective even when the computer is in boot mode Alarm power on Options This feature lets you set a
2. Figure 12 15 Replacing a key cap Appendix C shows the international keyboard layouts with the new key caps in place Security Lock A security lock enables you to anchor your computer and an optional port replicator to a desk or other heavy object to help prevent unauthorized removal of the computer or port replicator Attach one end of a cable to the desk and the other end to the security lock slot on the left side of the computer and to the optional port replicator as shown below 12 16 bmp Figure 12 16 Security lock Interfacing for Serial Devices The term serial interfacing refers to information being transmitted to a device sequentially one bit at a time rather than in parallel one byte eight bits at a time RS 232 C is the most common serial interfacing standard in the microcomputer industry The computer can use most serial devices that meet this standard See Chapter 2 The Grand Tour for the location of the serial port Serial devices can also be connected to an optional port replicator See the Port replicator section in this chapter A serial port s I O address and interrupt request level are related to hardware configuration The microprocessor uses the computer s I O ports to specify a unique control register in BIOS level programs A control register is the same as a memory address for the port s location MS DOS logically assigns these names COM1 COM2 and COMG to the RS 232 C serial port The computer allows
3. RTC real time clock SIMM single in line memory module SIO serial input output STN supertwist nematic display SVGA super video graphics adapter TFT thin film transistor UMA upper memory area UMB upper memory block UART universal asynchronous receiver transmitter VDISK virtual disk VGA video graphics array A Adapter A device that provides an interface between two dissimilar electronic devices For example the AC adapter modifies the power from wall outlet for use by the computer This terms also refers to the addin circuit cards that control external devices such as video monitors and magnetic tape devices S also board allocate To assign a space or function for a specific task alphanumeric A set of letters numbers and other symbols such as punctuation marks or mathematical symbols Refers to the keyboard characters and character set available for the various data transfer operations of the computer alternating current AC Electric current that reverses its direction of flow at regular intervals This type of power is usually supplied to residential and commercial wall outlets analog signal A signal whose characteristics such as amplitude and frequency vary in proportion to are an analog of the value to be transmitted Voice communications are analog signals ANSI American National Standards Institute An organization established to adopt and define standards for a variety of techni
4. To connect the drive follow the steps below and refer to Figures 3 3 and 3 4 1 Plug the connecting cable s larger connector into the 3 1 2 external diskette drive s socket Press the latches on either side of the connector when you plug in the connector NOTE The connectors are designed so they cannot be misconnected I 3 LIE3 bmp Figure 3 3 Connecting the cable to the diskette drive 2 Pull down the cover to the computer s 3 1 2 diskette drive port 3 Press the latches on either side of the smaller connector and plug it into the diskette drive port 03 04 imp Figure 3 4 Connecting the cable to the computer NOTE When you use the diskette drive connect the drive before you turn on the computer If the drive is connected after the computer is turned on the computer may not recognize the connection In this case you must restart the computer after the drive is connected Disconnecting 3 1 2 External Diskette Drive When you have finished using the diskette drive follow the procedures below to disconnect it 1 Wait for the indicator light to go out to make sure all diskette activity has stopped CAUTION If you disconnect the diskette drive or turn off the power while the computer is accessing the drive you may lose data or damage the diskette or the drive 2 Press the release latches on either side of the connector attached to the computer and pull out the connector 3 Close the cover to the diskette dr
5. 056 057 058 059 060 061 062 063 064 065 066 067 068 069 070 071 52 33 54 55 56 57 38 39 58 3A 3B 3C 3D 3E 3F 40 41 59 60 61 62 63 64 65 66 67 42 43 68 44 45 69 70 71 46 47 72 73 48 072 073 49 74 75 76 77 78 4A 4B 4C 4D 4E 4F 50 51 074 075 076 077 078 79 079 80 81 080 081 82 83 84 85 86 87 88 89 90 91 52 33 54 55 56 57 082 083 084 085 086 087 088 089 090 091 092 093 094 095 096 097 098 099 58 59 5A 5B 5C 5D 5E SF 60 61 92 93 94 95 96 97 98 62 63 99 100 101 64 65 100 101 102 66 67 102 103 103 104 68 104 105 69 105 106 6A 6B 6C 6D 6E 6F 70 106 107 107 108 108 109 109 110 111 110 111 112 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 71 72 19 74 75 76 77 78 79 7A 7B 7C 7D 7E 7F 80 81 82 83 84 85 86 87 88 89 8A 8B 8C 8D 8E NO pD Ov e 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 67 85 69 65 65 65 65 67 69 69 69 43 73 73 65 65 8F 90 91 143 69 65 144 145 65 92 146 79 79 79 85 85 89 79 85 36 36 36 36 36 65 93 147 94
6. 191 McNabb Street Markham Ontario L3R 8H2 Singapore Toshiba Information Systems Singapore Pte Ltd 152 Beach Road 17 01 04 Gateway East Singapore 0718 Singapore United States of America Toshiba America Information Systems Inc 9740 Irvine Boulevard Irvine California 92718 USA In Europe Belgium Toshiba Information Systems Belgium S A N V Rue Colonel Bourg Straat 123 125 1140 Brussels Belgium Federal Republic of Germany Toshiba Europa I E GmbH Gesch ftsbereich Deutschland Hammfelddamm 8 41460 Neuss Federal Republic of Germany France Toshiba Information Systems France S A 7 rue Ampere B P 131 92804 Puteaux C dex France Italy Olidata s p a Via Cavalcavia n 55 1 47023 Cesena FO Italy Netherlands Toshiba Information Systems Benelux B V Rivium Boulevard 41 2909 LK Capelle a d Ussel Netherlands Spain Toshiba Information Parque Empresarial San Ferando Edificio Europa la Planta Escalera A 28831 Madrid Spain United Kingdom Toshiba Information Systems U K LTD Toshiba Court Weybridge Business Park Addlestone Road Weybridge Surrey KT15 2UL United Kingdom The Rest of Europe Toshiba Europa I E GmbH Gesch ftsbereich Deutschland Hammfelddamm 8 41460 Neuss Federal Republic of Germany Appendix A Specifications This appendix summarizes the T2150CD series computer s technical specifications Physical Dimensions T2150CDS Weight S
7. 95 148 149 96 150 151 gt 97 98 152 99 153 9A 9B 9C 9D 9E 9F AO 154 155 156 157 158 159 Missi 160 161 73 79 85 78 Al 162 A3 163 A4 164 78 AS5 165 166 fal A6 166 167 63 ol A7 167 A8 168 169 A9 169 170 170 171 171 172 33 AC 172 173 34 34 174 175 BO 176 ea 177 B2 178 B3 179 B4 180 B5 181 1 B6 182 B7 183 B8 184 B9 185 BA 186 BB BC 187 4l 188 BD BE 189 190 BF 191 CO 192 Cl 193 C2 194 C3 195 C4 196 C5 197 C6 198 C7 199 200 201 C8 C9 CA CB 202 203 CC 204 205 206 CD CE CF 207 208 209 DO DI D2 210 EI D3 211 D4 212 213 D5 D6 214 215 D7 4 D8 216 D9 217 L B8 NB m lt 1 m o ao A AA A oo OA O a Cl N a N AN DE 222 DF 223 224 225 226 227 228 83 El E2 E3 E5 229 230 E7 231 E8 232 E9 233 EA 234 EB 235 EC 236 ED 237 EE 238 EF 239 240 FO ET 241 F2 242 wI F3 243 F4 244 F5 245 F6 246 R F7 247 F8 248 F9 249 FA 250 FB 251 FC 252 FD 253 FE 254 FF 255 Appendix C
8. Check the card s documentation and the Card Manager User s Guide If problems persist contact your dealer Refer also to Chapter 12 Optional Devices and to your monitor s documentation Problem Monitor does not turn on No display Procedure Make sure that the external monitor s power switch is on Confirm that the external monitor s power cable is plugged into a working power outlet Try adjusting the contrast and brightness controls on the external monitor Press hotkeys Fn F5 to change the display priority to make sure it is not set for the internal display Display error occurs Expanded Memory Check that the cable connecting the external monitor to the computer or port replicator is attached firmly and that the port replicator is securely connected to the computer Run the diagnostic test program If problems persist contact your dealer Refer also to Chapter 9 Memory and to your MS DOS documentation Problem Programs requiring LIM EMS expanded memory Diagnostic Test Procedure Check the verison of EMM386 EXE required by your software Make sure the version you are using is compatible with your applications Make sure you have sufficient memory to run your program For more information see Chapter 9 Memory Your CONFIG SYS file must be in your root directory and must include device c dos himem sys device c dos emm386 exe EMM386 EXE automatically tests expanded memory
9. Keyboard Layouts ukkey bmp Figure C 1 United Kingdom UK uzakey bmp Figure C 2 United States US Italy mp Figure C 3 Italian IT spainkey bmp Figure C 4 Spanish SP SwWwisskey Bmp Figure C 5 Swiss German SL scancdina bmp Figure C 6 Scandinavian SC german Pmp Figure C 7 German GR trance bmp Figure C 8 French FR Appendix D AC Power Cord and Connectors The power cord s AC input plug must be compatible with the various international AC power outlets and the cord must meet the standards for the country in which it is used All cords must meet the following specifications Length Minimum 2 meters 6 5 ft Maximum 3 meters 9 75 ft Wire size Minimum 0 75 mm Current rating Minimum 2 5 ampres Voltage rating 125 or 250 VAC depending on country s power standards Certification agencies U S and Canada UL listed and CSA certified No 18 AWG Type SVT or SPT 2 two conductor Europe Australia AS Austria OVE Belgium CEBEC Denmark DEMKO Finland SETI France UTE Germany VDE Italy IMQ Norway NEMKO Sweden SEMKO Switzerland SEV The Netherlands KEMA United Kingdom BSI In Europe power cords must be VDE type HOSVVH2 F For the United States and Canada plug configuration must be a 2 15P 250 V or 1 15P 125 V as designated in the U S National Electrical code handbook and the Canadian Electrical Code Part II The following illustrations show the plug sha
10. Press Fn Alt to simulate the enhanced keyboard s right Alt key Hotkeys Hotkeys Fn a function or cursor key let you enable or disable certain features of the T2150CD series computers fnf1 bmp Instant Security Press Fn F1 to lock the keyboard and blank the screen to prevent others from accessing your data To restore the computer operation enter the password See Chapter 11 Setup and Password Security fnfz bmp Battery Save Mode Pressing Fn F2 changes the battery save mode When you press Fn F2 in a DOS environment the Pop up window below appears at the top left of the display showing the current battery save mode Continue holding down Fn and press F2 again to change to one of the three battery save modes Full power low power and user setting Battery Save Mode Full Power E XXXXXXXXXXXXXXX F Power up Mode Resume If you press Fn F2 in a Windows environment an icon panel is displayed Continue holding down Fn and press F2 again to change the setting The highlighted icon changes according to the current setting The mode at power on depends on the TSETUP program setting See Chapter 11 Setup and Password Security fnf3 bmp Resume Mode Boot Mode Pressing Fn F3 toggles between Resume mode and boot mode When you press Fn F3 in a DOS environment the Pop up window below appears at the top left of the display showing the current power up mode Continue holding down Fn and press F3 again to ch
11. The Panel Power On Off item appears only when the T2150CD series computer is in Resume mode 3 The Battery Level option appears only when the system cannot detect the battery charge For example when the battery is replaced 4 The T2150CDS LDC Display Colors options are 222k and 4096 colors Changing Values in the SETUP Menu 1 Press and to move between the two columns Press T and l to move between items in a column 2 Press either the space bar or BkSp to change the value Accepting Changes and Exiting SYSTEM SETUP Window 1 Press End to accept the changes you made If the changed item does not require the system to reboot the following message is displayed Are you sure Y N If the changed item requires the system to reboot the following message is displayed Are you sure Y N The changes you made will cause the system to reboot 2 To make other changes press N Repeat the steps above 3 To accept the changes press Y NOTE You can press ESC to quit at any time without saving changes TSETUP asks you to confirm that you don t want to save your changes Factory Preset Configuration When you access TSETUP the current configuration is displayed 1 To show the factory preset configuration press Home 2 To accept the default settings press End and then press Y SETUP Options The SYSTEM SETUP screen is divided into functionally related groups This section describes each group and its op
12. This function causes the computer to turn the LCD panel s illumination off if you make no entry for the set duration Disabled disables display automatic power off xx Min automatically turns off power to the LCD panel s illumination if the panel is not used for the duration set The duration xx can be set to 1 3 5 10 15 20 or 30 minutes HDD Auto Off Use this option to disable or set the duration of the HDD automatic power off function Disabled disables HDD automatic power off xx Min automatically turns off power to the hard disk drive if It is not used for the duration set The duration xx can be set to 1 3 5 10 15 20 or 30 minutes System Auto Off Use this option to enable or disable the system automatic off function when the power up mode is set to Resume In Boot mode this feature is always disabled and therefore not displayed Disabled disables system automatic power off xx Min automatically turns off power to the system if it is not used for the duration set The duration xx can be set to 10 20 30 40 50 or 60 minutes LCD Brightness This option sets the LCD s brightness level Bright sets the LCD to bright Semi Bright sets the LCD to semi bright Battery Level When you use the computer for the first time or when you install a new or recharged battery the charge level is unknown to the system In this case the Manual Set of Battery Level options will be displayed to enable you to set the
13. This instruction is included only with computers sold in ILW supported areas If any of the items are missing or damaged contact your dealer immediately CAUTION The first thing you should do with your computer is make backup diskettes of the MS DOS and Microsoft Windows for Workgroups files and other software preinstalled on your hard disk It is important that you make backup diskettes before you begin loading application software Should any preinstalled files be damaged you will need to restore them from backup diskettes Refer to Chapter 3 Getting Started for procedures on making backup diskettes for files installed on your hard disk The T2150CD series computer uses Toshiba s advanced Large Scale Integration LSD Complementary Metal Oxide Semiconductor CMOS technology extensively to provide compact size minimum weight low power usage and high reliability This computer incorporates the following features and benefits Microprocessor Battery pack Backup batteries T2150CD series computers are equipped with an SL Enhanced Intel DX4 microprocessor which operates at 75 megahertz and incorporates a math co processor and a 16KB cache memory The effective processing speed can be changed by the TSETUP or MaxTime program The T2150CDT comes with 8 Megabytes MB of Random Access Memory RAM expandable to 32MB And the T2150CDS comes with 4MB of RAM expandable to 28 MB This RAM includes 640KB of conventional
14. non volatile memory Memory usually read only ROM that is capable of permanently storing information Turning the computer s power off does not alter data stored in non volatile memory numeric keypad overlay A feature that allows you to use certain keys on the keyboard to perform numeric entry or to control cursor and page movement O OCR Optical Character Recognition reader A technique or device that uses laser or visible light to identify characters and input them into a storage device OCR wand A device that reads using an optical device hand written or machine printed symbols into a computer See also OCR on line state A functional state of a peripheral device when it is ready to receive or transmit data operating system a group of programs that controls the basic operation of a computer Operating system functions include the interpreting programs creating data files and controlling the transmission and receipt input output of data to and from memory and peripheral devices Toshiba portable computers use the MS DOS operating system operating system disk The disk s containing the operating system See system disk output The results of a computer operation Output commonly indicates data 1 printed on paper 2 displayed at a terminal 3 sent through the serial port of internal modem or 4 stored on some magnetic media P parallel Refers to two or more processes or events that
15. of a modem buffer The portion of the computerOs memory where data is temporarily stored Buffers often compensate for differences in the rate of flow from one device to another byte The representation of a single character A sequence of eight bits treated as a single unit also the smallest addressable unit within the system C cache memory High speed memory which stores data that increases processor Speed and data transfer rate When the CPU reads data from main memory it stores a copy of this data in cache memory The next time the CPU needs that same data it looks for it in the cache memory rather than the main memory which saves time card Synonym for board See board capacity The amount of data that can be stored on a magnetic storage device such as a diskette floppy disk or hard disk It is usually described in terms of kilobytes KB where one KB 1024 bytes and megabytes MB where one MB 1024 KB carrier A single frequency or tone a modem generates when a connection is made See CD Carrier Detect CCITT Consultive Committee International Telegraph and Telephone An advisory committee established under the United Nations that provides international communications standards European asynchronous data communications use the CCITT standard CD Carrier detect An RS 232 C signal the modem sends to indicate it has established a connection Centronics The printer manufacturer
16. 2 keyboard DC IN socket for the AC adapter Security lock slot External diskette drive Joystick Audio line in line out jacks Headphone jack E Lut Do uU BE EEE DD Volume control Front Figure 12 8 shows the port replicator s front 12 8 bmp Figure 12 8 The front Computer connector This is the computer interface It connects directly to the T2150CD series computer s port replicator port Connecting lever This lever assures proper connection between the port replicator and computer when the computer is aligned on the port replicator s plastic guide pins Guide pins These pins insert into holes on the bottom of each rear corner of the computer and guide the computer to a proper connection with the port replicator Metal latches These latches engage slots on the bottom of the Back computer to hold it securely to the port replicator Figure 12 9 shows the port replicator s back 12 09 bmp DC IN dein bmp Joystick joy bmp Parallel port prntport bmp External monitor extport bmp Serial port serial i bmp Line in Line out lineout bmp Figure 12 9 The back The AC adapter s DC outlet plug connects to this socket Use only the AC adapter that came with your port replicator Using the wrong adapter can damage the computer It replaces the computer s DC IN socket This port enables connection of a joyst
17. 2 mouse a MIDI Joystick and audio line out ports A Personal Computer Memory Card International Association PCMCIA slot can accommodate two 5 mm cards Type II or one 10 5 mm Type III card A socket is available for installation of a 4 8 16 or 24MB Small Outline SIMM Single In line Memory Module A built in microphone and speaker let you record sound into your applications and play it back This pointer control stick located in the center of the keyboard provides convenient control of the cursor without requiring desk space for a mouse Convenient key combinations let you quickly modify the system configuration directly from the keyboard without running the system configuration program Special Features The following features are either unique to Toshiba computers or are advanced features which make the T2150CD series computer more convenient to use RAMDRIVE AutoResume Pop up window TSETUP Max Time Fn esse Display automatic power off HDD automatic power off You can use the MS DOS RAMDRIVE SYS driver to allocate part of the computer s memory to a virtual disk called a RAMDRIVE This lets you use part of the memory as if it were another disk drive A RAMDRIVE provides faster access speed but it is volatile which means any data it contains is lost when you turn off or reset your computer If you have to interrupt your work you can turn off the power without exiting from your software When
18. 256K Mono Mono 16 of 256K 16 of 256K Mono 16 of 256K 2 of 256K 16 of 256K 256 of 256K 16 of 256K 16 of 256K 16 of 256K 256 of 256K 256 of 256K 256 of 256K 32K of 32K 64K of 2 of 256K Mono Mono 16 of 256K 16 of 256K Mono 16 of 256K 2 of 256K 16 of 256K 256 of 256K 16 of 256K 16 of 256K 16 of 256K 256 of 256K 256 of 256K 256 of 256K 32K of 32K 64K of 70Hz 70Hz 70Hz 70Hz 70Hz 70Hz 70Hz 60 Hz 60 Hz 60 Hz 60 Hz 60 Hz 60 Hz 60 Hz 60 Hz 60 Hz 31 5KHz 31 5KHz 31 5KHz 31 5KHz 31 5KHz 31 5KHz 31 5KHz 31 5 KHz 31 5 KHz 31 5 KHz 31 5 KHz 375 KHz 48 5 KHz 31 5 KHz 375 KHz 48 5 KHz 31 5 KHz 31 5 KHz 78 Video mode 0 1 2 3 0 1 Dr 3 Or 1 24 3 4 5 T Grph SVGA Grph Type VGA Text VGA Text VGA Text VGA Text VGA Text VGA Text VGA Grph VGA Grph VGA Text VGA Text VGA Grph VGA Grph VGA Grph Pels 640 x 400 Pels Resolution 40 x 25 Characters 80 x 25 Characters 40 x 25 Characters 80 x 25 Characters 40 x 25 Characters 80 x 25 Characters 320 x 200 Pels 640 x 200 Pels 80 x 25 Characters 80 x 25 Characters 320 x 200 Pels 640 x 200 Pels 640 x 350 Pels 8x16 64K 256 of 256K 64K 256 of 256K Table 8 2 T2150CDS Video mode
19. 640 horizontal x 480 vertical pixels for 640 x 480 VGA compatibility contrast control T2150CDT color LCD thin film transistor TFT color display 640 horizontal x 480 vertical pixels for 64K color 640 x 480 SVGA compatibility Built in Ports Parallel Serial External Monitor Keyboard Port Replicator Microphone Headphone Line in Security lock slot AccuPoint Built in PCMCIA Card Slots Built in Sound system Built in 82 keys or 84 keys compatible with IBM enhanced keyboard embedded numeric overlay dedicated cursor control keys parallel printer or other parallel device RS 232C compatible port the 15 pin analog VGA port connects an external PS 2 keyboard special port for connecting port replicator enables connection of a monaural microphone enables connection of a stereo headphone lets you play stereo sound from an external device connects a security lock to anchor the computer to a desk or other large object a pointing device the AccuPoint in the center of the keyboard and control buttons at the base of the keyboard enable control of the on screen pointer two slots for Personal Computer Memory Card International Association cards two 5 mm Type II or one 10 5 mm Type III Sound Blaster compatible sound system provides microphone headphone and line in jacks and a volume control dial Software Standard MS DOS 6 22 operating system Windows for Workgroups 3 11 and Toshiba Uti
20. Enter The computer starts up NOTE If you have set a password and the computer boots by the Alarm Power On function and AutoResume is on the computer will start with the instant security function enabled The password message is not displayed however you must enter the password to use the computer If you enter the password incorrectly three times in a row the computer will halt In this case turn the power off and back on Then try again If you forget the password follow these steps 1 Connect the exlternal 3 1 2 diskette drive and turn on the computer 2 Insert the password service diskette in the drive See the Password security section in Chapter 11 Setup and Password Security for details on how to create a password service diskette NOTE If the computer is in Resume mode the password service diskette will not work when you turn on the power In this case press the reset button 3 Press Enter and the following message appears Set Password Again Y N Press Y to run the TSETUP program and set a new password Press N to restart the computer NOTES 1 The password service diskette must be inserted in drive A otherwise the display will return to Password If you have inserted the diskette in drive A and the message still appears the password service diskette is faulty In this case contact your dealer 2 Ifthe boot priority is set for the hard disk press F10 and the reset button to boot from
21. Removing a Battery Pack To replace a discharged battery pack follow these steps 1 Save your work 2 If you plan to resume working right away press Fn F3 to open the Pop up window and confirm that Resume mode is enabled this saves time when you restart the computer 3 Turn the computer s power off 4 Remove all cables connected to the computer and open the display panel 5 Push up on two latches on the front of the palm rest until you feel them click 6 Carefully slide out the palm rest about one centimeter less than half an inch Figure 7 1 Unlatching the palm rest 7 Lift the palm rest up gently to expose the battery pack 8 Pullup on the plastic tab at the right side of the battery pack to lift the battery pack up slightly Be careful not to pull too hard or try to lift the battery pack more than about a finger s width 9 Grasp the battery pack and lift it out CAUTION For environmental reasons do not throw away a spent battery pack Please return spent battery packs to your Toshiba dealer 07 02 imp Figure 7 2 Removing the battery pack Installing the Battery Pack To install a battery pack follow the steps below CAUTION There is danger of explosion if the battery is incorrectly replaced Use only the same or equivalent battery recommended by Toshiba Return spent batteries to your dealer for environmentally safe disposal 1 Turn the computer s power off 2 Carefully insert the new or recharged
22. To remove the CD follow the steps below and refer to figure 4 8 1 Press the eject button and gently pull the drawer out until it is fully opened 2 There are indentations on the sides of the drawer to let you grasp the CD Hold it gently and lift it out 04 03 bmp Figure 4 8 Removing a CD 3 Close the drawer Press gently until it locks into place Refer to Chapter 5 Disks and Disk Drives for information on the CD ROM drive and on care and handling of CDs Using Microphone Your computer has a built in microphone that can be used to record monaural sounds into your applications It can also be used to issue voice commands to applications that support such functions Eliminating Feedback Since your computer has a built in microphone and speaker feedback may be heard under certain conditions Feedback occurs when sound from the speaker is picked up in the microphone and amplified back to the speaker which amplifies it again to the microphone This feedback occurs repeatedly and causes a very loud high pitched noise It is a common phenomenon that occurs in any sound system when the microphone input is output to the speaker throughput and the speaker volume is too loud or too close to the microphone You can control throughput by adjusting the volume of your speaker or through the Record Monitor or Mute functions Record Monitor This check box feature in the Recording Control Utility controls throughput from the mi
23. Use BACKUP and RESTORE commands in the Toshiba Companion Utility diskette to back up preinstalled software You will need to create this diskette as explained below About 27 diskettes 1 44MB 2HD are needed to copy all the files preinstalled on your hard disk Making Toshiba Companion Utility Diskette One set of utilities which includes BACKUP EXE RESTORE EXE TSETUP EXE TDIAGS EXE and others has been set up for installation on a separate diskette Before backing up the files on your hard disk follow the steps below to make a Toshiba Companion Utilities diskette Connect the external 3 1 2 diskette drive if it is not connected Turn on the power 1 2 3 Insert an empty diskette in the diskette drive 4 Type MKDISK to install the utility files to the diskette 5 When the message 100 compietea is displayed remove the diskette from the drive 6 Lable the diskette Toshiba Companion Utility and store it in a safe place Using the BACKUP Command To use the BACKUP command connect the external diskette drive if it is not already connected and follow the steps below 1 Insert the Toshiba Companion Utility diskette into the diskette drive and press Ctrl Alt Del 2 The Toshiba ACCESS Utility appears Press Enter Use the cursor key to highlight exit to pos and press Enter 4 Atthe C DOS gt prompt type A BACKUP C A S F If the diskettes you will use to back up preinstalled software are already formatted you do
24. and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions it may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Ll Reorient the receiving antenna Ll Increase the separation between the equipment and receiver Ll Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Ll Consult the dealer or an experienced radio TV technician for help WARNING This equipment has been certified to comply with the limits for a class B digital device pursuant to Subpart B of Part 15 FCC rules Only peripherals certified to comply with the class B limits may be attached to this computer Operation with non certified peripherals or peripherals not operated by Toshiba is likely to result in interference to radio and TV reception Shielded cables must be used between the external de
25. and highlight terms and operating procedures Abbreviations On first appearance and whenever necessary for clarity abbreviations are enclosed in parentheses following their definition For example Read Only Memory ROM Acronyms are also defined in the Glossary Icons Icons identify ports dials and other parts of your computer The indicator panel also uses icons to identify the components it is providing information on Keys The keyboard keys are used in the text to describe many T2150CD series computer operations A distinctive typeface identifies the key top symbols as they appear on the keyboard For example Enter identifies the Enter key Key Operation Some operations require you to simultaneously use two or more keys We identify such operations by the key top symbols separated by a plus sign For example Ctrl C means you must hold down Ctrl and at the same time press C If three keys are used hold down the first two and at the same time press the third DISKCOPY A B Text you are to type in is represented in the typeface you see to the left Display C gt Text generated by the computer that appears on its display screen is presented in the type face you see to the left Messages Messages are used in this manual to bring important information to your attention Each type of message is identified as shown below CAUTION Pay attention A caution informs you that improper use of equipment or failure to
26. as a lamp and see if it works If it doesn t try another power source Check whether the battery is hot or cold to the touch If the battery 1s too hot or too cold it will not charge properly Let it reach room temperature Unplug the AC power cord and remove the battery to make sure the terminals are clean If necessary wipe them with a soft dry cloth dipped in alcohol Connect the AC power cord and replace the battery Make sure it is securely seated Check the battery icon If it does not glow let the computer charge the battery for at least 10 minutes If the Battery Icon glows after 10 minutes let the battery continue charging the battery for at least another 10 minutes before turning on the computer If the icon still does not glow the battery may be at the end of its operating life Replace the battery If you do not think the battery is at the end of its operating life see your dealer If you frequently recharge a partially charged battery the battery might not charge to its full potential Fully discharge the battery then try to charge it again Check the power consumption settings in TSETUP Consider using a power saving mode If you have trouble turning on the computer with the AC cord connected check the AC IN LED Refer to Chapter 7 Power and Power Up Modes for more information Problem AC cord doesn t power the computer AC IN icon should glow green Procedure Check the connections Make sure th
27. attachment surface program A set of instructions a computer can execute that enables it to achieve a desired result See also application prompt A message the computer provides indicating it is ready for or requires information or an action from you protected mode A microprocessor mode introduced with the Intel 80286 processor This mode supports up to four gigabytes of address space and vides support for multitasking and other advanced features protocol A set of rules that allows devices to exchange information without affecting its contents pulse dialing A type of dialing that uses rotary pulses to generate th telephone number R RAMDRIVE Part of the computerOs random access memory assigned to simulate a disk RAMDRIVE is a feature of MS DOS Random Access Memory RAM High speed memory within the computer circuitry that can be read or written to RD Receive Data An RS 232 C signal used in the exchange of data between the computer and a serial printer or modem Radio frequency interference RFI shield A metal shield enclosing the printed circuit boards of the printer or computer to prevent radio and TV interference All computer equipment generates radio frequency signals The FCC regulates th amount of signals a computing device can allow past its shielding A Class A device is sufficient for office use Class B provides a more stringent classification for hom quipment use Tosh
28. backup diskettes if you made them as advised earlier in the manual If problems persist contact your dealer Procedure Check that the PS 2 mouse cable s 6 pin connector is firmly connected to the mouse port on the port replicator and that the replicator is firmly connected to the computer You may have connected the mouse after turning the computer on Turn off the computer make sure the mouse is firmly connected and turn the computer back on Confirm that your CONFIG SYS or AUTOEXEC BAT contains a mouse driver Is your software configured to recognize the mouse Check the software documentation If problems persist contact your dealer Procedure On screen pointer does not respond to serial mouse operation PCMCIA Card Check for a firm connection between the computer s or port replicator s serial port and the cable s 9 pin connector Did you connect the mouse before turning on the computer Isthe Serial port option in the TSETUP program set properly Confirm that your CONFIG SYS or AUTOEXEC BAT has a mouse driver program Is your software configured to recognize the mouse Check the software documentation If problems persist contact your dealer Refer also to Chapter 12 Optional Devices Problem PCMCIA card error occurs External Monitor Procedure Reseat the PCMCIA card to make sure it is firmly connected Make sure the connection between the external device and the card is firm
29. battery pack Set the grooved end against the battery contacts first then lay the battery in place Be sure the end of the plastic tab lies on top of the battery CAUTION When you open the palm rest cables to the AccuPoint buttons are exposed Be careful not to apply tension to these cables or to pinch them when you close the palm rest 3 Close the palm rest and gently push it into position 4 Push the latches back into place Press gently until you feel them click 5 Turn the computer back on and continue working Care of the Power Cord The computer s internal converter eliminates the need for an external AC adapter thus enhancing the portability of your computing system You need only the power cord to run the computer from an AC power source When carrying the cord be careful not to fold it too tightly or to pinch it by the carrying case or other object Starting the Computer With the Password If you registered the password you must enter the password to start up the computer If you forget the password use the password service diskette For more information about how to set a password and make the password service diskette refer to the Password security section in Chapter 11 Setup and Password Security To start up the computer with the password follow these steps 1 Turn on the computer as described in Chapter 4 Operating Basics and the following message appears Password 2 Enter the password 3 Press
30. can occur simultaneously and without interfering with each other See also serial parallel interface Refers to a type of information exchange that transmits information one byte 8 bits at a time See also serial interface parity 1 The symmetrical relationship between two parameter values integers both of which are either on or off odd or even 0 or 1 2 In serial communications an error detection bit that is added to a group of data bits making the sum of the bits even or odd Parity can be set to none odd or even password A unique string of characters used to identify a specific user pel The smallest area of the display that can be addressed by software Equal in size to a pixel or group of pixels See pixel peripheral device An I O device that is external to the central processor and or main memory such as a printer or a mouse pixel A picture element The smallest dot that can be made on a display or printer Also called a pel pop up window A window you can display at any time to change most configuration options and monitor the charge of the battery port The electrical connection through which the computer sends and receives data to and from devices or other computers printed circuit board PCB A hardware component of a processor to which integrated circuits and other components are attached The board itself is typically flat and rectangular and constructed of fiberglass to form the
31. change the hardware characteristics by electrically connecting two points of a circuit K K Taken from the Greek word kilo meaning 1000 often used as equivalent to 1024 or 2 raised to the 10th power See also byte and kilobyte KB See kilobyte keyboard An input device containing switches that are activated by manually pressing marked keys Each keystroke activates a switch that transmits a specific code to the computer For each key the transmitted code is in turn representative of the ASCII character marked on the key kilobyte KB A unit of data storage equal to 1024 bytes See also byte and megabite L Light Emitting Diode LED A semiconductor device that emits light when a current is applied LIM EMS Lotus Intel Microsoft Expanded Memory Specification The standard that defines expanded memory See expanded memory Liquid Crystal Display LCD Liquid crystal sealed between two sheets of glass coated with transparent conducting material The viewing side coating is etched into character forming segments with leads that extend to the edge of the glass Applying a voltage between the glass sheets darkens the liquid crystal to provide contrast to lighted portions of the display LSI Large Scale Integration 1 A technology that allows the inclusion of up to 100 000 simple logic gates on a single chip 2 An integrated circuit that uses the large scale integration main board See mother
32. charge level to 100 75 50 or 25 E XXXXXXXXXXXX F 100 charge E XXXXXXXX F 75 charge E XXXXX F 50 charge E XX F 25 charge E F Charge is unknown Displayed in TSETUP Chapter 12 Optional Devices Optional devices can expand the T2150CD series computer s capabilities and its versatility This chapter describes connection or installation of the following types of devices Cards Memory C PCMCIA cards Memory modules Power Devices Ll Additional battery pack Battery charger Peripheral Devices Port replicator Parallel printer External monitor PS 2 mouse PS 2 keyboard International keyboards Security lock EL EH oo oo oD Interfacing for serial devices PCMCIA Cards The T2150CD series computers are equipped with a PCMCIA Personal Computer Memory Card International Association card expansion slot that can accommodate two 5 mm Type II cards or one 10 5 mm Type III PCMCIA card Any PCMCIA compatible card manufactured by Toshiba or other vendor can be installed Types of PCMCIA cards include Ll Card modem Ll SCSI adapter O Flash memory Network adapter Installing the PCMCIA Card Two PCMCIA connectors are located one above the other on the left side of the computer Both connectors are accessed from the same slot You can install two Type II cards one in each connector or one Type III card in the bottom connector To install PCMCIA card follow the steps below NOTE Before you ins
33. either the right or left hand or with both hands The illustration below shows one example of hand position for using the AccuPoint with the right hand and operating the control buttons with the left hand 3 02 bmp Figure 4 2 Example of hand position for using the AccuPoint Replacing AccuPoint Cap Five spare AccuPoint caps are supplied with the T2150CD series computer These caps are expendable items that should be changed after prolonged use 1 Toremove the AccuPoint cap firmly grasp the cap and pull it straight up 04 03 bmp Figure 4 3 Removing the AccuPoint cap 2 Position a new cap on the spindle and press it into place Using CD ROM Drive The full size double speed CD ROM drive provides high performance execution of CD ROM based programs You can run either 12 cm 4 72 or 8 cm 3 15 CDs without an adapter To load and remove compact disks follow the steps below and refer to figures 4 4 to 4 7 1 Press the button on the drawer to open the drawer slightly 04 04 bmp Figure 4 4 Pressing the CD ROM drawer button 2 Grasp the drawer gently and pull until it is fully opened 04 05 bmp Figure 4 5 Pulling the drawer open 3 Lay the CD lable side up in the drawer Press gently at the center to make sure it is seated securely on the spindle 04 06 bmp Figure 4 6 Inserting a CD 4 Push the drawer closed Press gently until it locks into place 04 07 bmp Figure 4 7 Closing the CD ROM drawer
34. in which beams projected on a fluorescent Screen producing luminous spots An example is the television set CTS Clear to Send An RS 232 C signal that indicates a change in the transmission direction used in the exchange of data between computer and serial device cursor A small blinking rectangle or line that indicates the current position on the display screen D data Information that is factual measurable or statistical that a computer can process store or retriev data bits A data communications parameter controlling the number of bits binary digits used to make up a byte If data bits 7 the computer can generate 128 unique characters If data bits 8 the computer can generate 256 unique characters DC Direct Current Electric current that flows in one direction This type of power is usually supplied by batteries DCE Data Communication Equipment DCE and DTE indicate whether the specific equipment transmits on pin 3 and receives on pin 2 DCE or transmits on pin 2 and receives on pin 3 DTE See DTE default The parameter value automatically selected by the system when you or the program do not provide instructions Also called a preset valu delete To remove data from a disk or other data storage device Synonymous with erase device driver A program that controls communication between a specific peripheral device and the computer The CONFIG SYS file contains devi
35. includes tips on designing your work area basic operations and how to care for your computer Chapter 5 Disks and Disk Drives explains the computer s disk storage devices and how to use them Chapter 6 The Keyboard describes the function of each of the keys on the keyboard and how to use the keypad overlay Chapter 7 Power and Power Up Modes gives details on the computer s power resources and battery save modes Chapter 8 Display Panel introduces the T2150CD series computer s high resolution display panel and explains how to use its functions Chapter 9 Memory describes how to customize the configuration of the computer s memory resources Chapter 10 Toshiba Utilities and Drivers describes how to set up special utilities for your T2150CD series computer Chapter 11 Setup and Password Security explains how to configure the computer using the TSETUP program in MS DOS or MaxTime in Windows It also tells how to set a password Chapter 12 Optional Devices describes the optional hardware available Chapter 13 Troubleshooting provides helpful information on how to perform some diagnostic tests and suggests courses of action if the computer doesn t seem to be working properly The Appendixes provide technical information about your computer The Glossary defines general computer terminology and includes a list of acronyms used in the text Conventions This manual uses the following formats to describe identify
36. is called conventional memory Conventional memory is used as a work area by MS DOS and most application software Extended BIOS Data Area This is IKB of RAM loaded at 639KB It is used to support extended BIOS functions including support for PS 2 pointing devices Upper Memory The next 384KB is reserved for I O device drivers certain application functions and other uses Access to this area is possible only with a special memory driver such as MS DOS s EMM386 EXE driver By adding the line aos umb to your CONFIG SYS file you can load device drivers and programs into the Upper Memory Block UMB Refer to your DOS documentation for details High Memory The High Memory Area HMA is the first 64KB of extended memory explained below You can save some conventional memory by loading the operating system into HMA If you are using Toshiba MS DOS add the line aos nigh to your CONFIG SYS file Refer to your DOS documentation for details Extended Memory Extended memory is the area on the memory map above IMB Since MS DOS cannot directly access extended memory you cannot use it directly to run MS DOS programs However you can configure all or part of extended memory as expanded memory In addition you can use conventional expanded and extended memory as a RAMDRIVE The computer uses 192KB of extended memory for Shadow BIOS ROM When you turn on your computer the BIOS copies itself from the flash ROM to the Shadow BIOS area A
37. m Make sure there is adequate space around the computer for proper ventilation Make sure the AC power cord connects to an outlet that is close to the computer and easily accessible The temperature should be 5 to 35 degrees Centigrade 41 to 95 degrees Fahrenheit and the relative humidity should be 20 to 80 percent Avoid areas where rapid or extreme changes in temperature or humidity may occur Keep the computer free of dust moisture and exposure to direct sunlight Keep the computer away from heat sources such as electric heaters Do not use the computer near liquids or corrosive chemicals Do not place the computer near objects that create strong electromagnetic fields e g stereo speakers Keep the palm rest battery cover well secured Exposure of the battery poses fire and other hazards Placement of Computer Position the computer and peripheral devices to provide comfort and safety m m Set the computer on a flat surface at a comfortable height and distance The display should be no higher than eye level to avoid eye strain Place the computer so that it is directly in front of you when you work and make sure you have adaquate space to easily operate a peripheral device Allow adequate space behind the computer to let you freely adjust the display The display should be angled to reduce glare and maximize visibility O if you use a paper holder set it at about the same height and distance as the comput
38. memory and 7360KB or 3264KB of extended memory which can be used as expanded memory compatible with the Lotus Intel Microsoft Expanded Memory Specification LIM EMS The computer is powered by one rechargeable battery pack The computer has two internal batteries One backs up the computer s special memory features Keyboard AC power Hard disk drive CD ROM Drive 3 1 2 external diskette drive Display screen and the other backs up the internal Real Time Clock RTC and calendar An easy to use 82 key United States or 84 key keyboard Europe provides a numeric keypad overlay for fast numeric data entry or for cursor and page control The computer s keyboard supports software that uses a 101 or 102 key enhanced keyboard Simply plug one end of the supplied AC power cord into the computer and the other end into a power outlet supplying voltage between 115 and 240 volts The T2150CD series computer has a 520 million byte SOOMB integrated 2 1 2 hard disk drive for nonvolatile storage of data and software A full size double speed internal CD ROM drive lets you run 12 cm 4 72 or 8 cm 3 157 compact disks This drive supports the following formats Audio CD e Photo CD e ISO 9660 An external 3 1 2 diskette drive accommodates both 1 44MB double sided high density double track 2HD and 720K B double sided double density double track 2DD disks The displays of T2150CD series computers sup
39. of 222Kt 256 of 222Kt 16 of 222Kt 16 of 222Kt 16 of 222Kt 256 of 222Kt 256 of 222Kt 256 of 222Kt N A N A 256 of 222Kt 16 of 256K 2 of 256K 16 of 256K 256 of 256K 16 of 256K 16 of 256K 16 of 256K 256 of 256K 256 of 256K 256 of 256K 32K of 32K 64K of 64K 256 of 256K 60 Hz 70Hz 70Hz 60Hz 60Hz 60Hz 60Hz 60Hz 60Hz 60Hz 60Hz 60Hz 31 5KHz 31 5KHz 31 5KHz 31 5KHz 31 5KHz 37 5KHz 48 5KHz 31 5KHz 37 5KHz 48 5KHz 31 5KHz 31 5KHz 31 5KHz The default setting is 222K colors but you can select 4096 or 222K colors using TSETUP Tables 8 1 and 8 2 show all the video modes supported by the computer The mode numbers are generally used by programmers to identify the respective modes If your application asks you to select a mode by number the choices it offers may not match the numbers on the table In such cases make your selection based on resolution font grid number of pixels per character or pixels per pel and number of colors Your software may let you choose a screen mode and or video mode Some applications let you make your selection when you install the software others provide a menu within the package to use while you are in the program Your selection remains valid until you exit the program or until you or your program specify a different video mode There is no danger in selecting diff
40. procedures on making Toshiba Companion Utility diskette and backup diskettes of files installed on your hard disk Do you need to display the above message whenever you boot Y N If you prefer to keep this display press Y If you do not want the message displayed press N After you press Y or N Windows will run and you will be requested to enter your name your company s name and product Next you will be requested to select a printer model Use the arrow keys to move the highlight bar to the model of your printer and press Enter Finally you will be requested to select a printer port After moving the highlight bar to the printer port and pressing Enter Windows installation will be completed On subsequent start ups the computer will initially display the Windows environment NOTE The AC IN LED and Power Speed icons should glow when power is turned on Inserting and Removing Diskettes The external 3 1 2 diskette drive provides a convenient means of transferring and storing data To insert a 3 1 2 diskette into the T2150CD series computer 1 Hold a diskette with the insertion arrow side up hub side down The metal protective cover should point toward the diskette drive Put the diskette into the insertion slot When it is nearly seated you should feel a slight resistance Gently push the diskette until it pops into place 03 07 bmp Figure 3 7 Inserting a diskette When the diskette is firmly in place the
41. replicator port and metal latches on the port replicator engage notches on the bottom of the computer to hold the connection securely 12 12 bmp Figure 12 12 Completing the connection Connecting the AC Adapter To supply power to the computer connect the AC adapter as described below 1 Attach the power cord to the AC adapter 2 Plugin the AC adapter cable 12 13 bmp Figure 12 13 Connecting the AC adapter Disconnecting the Port Replicator To disconnect the port replicator follow the steps below Turn off the computer 2 Lift up the port replicator s connecting lever 12 14 bmp Figure 12 14 Lifting up the connecting lever 3 Lift off the computer 4 Pullout the computer s interface cover and close it Parallel Printer You can connect any standard Centronics compatible parallel printer to your computer AII you need is an IBM PC parallel printer cable Your dealer can supply one or you can purchase one at most computer stores The cable s connectors are designed so that it is impossible for you to connect them incorrectly You can also connect a parallel printer to an optional port replicator See the Port replicator section in this chapter To connect a printer follow these steps Se a Oy CO do wo cope s oO mO mO 12 Turn off the computer Insert one end of the cable into the Parallel port on the back of the computer Tighten the screws that fasten the cable connector to the compute
42. the diskette drive Power up Modes The computer has two operating modes boot mode and resume mode You can set the mode by pressing Fn F3 to open the Pop up window and while holding down Fn pressing F3 again to change the mode You can also select the mode by choosing a setting in either the TSETUP program or in MaxTime See Chapter 11 Setup and Password Security for details on setting the power up mode Boot Mode Boot mode is the standard operating mode for most computers In boot mode the computer performs the following actions when you start the system Cl Clears all programs and data from memory C Runsa memory test and copies the operating system files from the hard disk to RAM Ll Executes any commands in your CONFIG SYS and AUTOEXEC BAT files In boot mode you must always save your work and exit the application you re using before you turn the computer off Any work you don t save before shutting the system off is lost NOTE To run a self test on the computer s system when you start the computer in boot mode hold down the space bar while you press the power switch Run the self test after you install a memory module or if you think there may be a problem with the system Starting the computer in boot mode Follow the steps below to turn on the computer in boot mode 1 Turn on any peripheral devices connected to the computer 2 If you have attached an external diskette drive check that there is no diskette in
43. the drive unless you want to boot from a diskette 3 Press the power switch on the computer When the Power Speed icon lights and all disk activity has stopped the computer is ready to begin work Turning off the computer in boot mode To turn off the computer in boot mode follow the steps below Save your data to the hard disk or to a diskette 2 Exitthe application you are using and if you are in Windows exit Windows also 3 Check the Disk icon to make sure all disk activity has stopped CAUTION Turning off the computer while it is accessing a disk could damage the disk the drive or lose data 4 Press the power switch and hold it down until the Power Speed icon goes out 5 Turn off the power to any peripheral devices connected to the computer Do not turn the computer back on right away Wait a few seconds AutoResume Mode One of the T2150CD series computers most useful features is AutoResume This feature lets you turn the computer s power off without exiting your software application When you turn the power on again you can resume work where you left off because the screen display is restored as you left it This saves time and battery power NOTE Resume mode is available only with Toshiba s version of MS DOS and Windows preinstalled on your hard disk With AutoResume enabled the computer performs the following when you turn the system s power on Ll Confirms that resume mode is enabled Ll Rest
44. the left and deletes the character enter bmp Enter ends a line or screen input This key is also referred to as the return key shift bmp Pressing Shift on either the left or right side of the keyboard changes the keyboard mode providing access to upper case characters and the symbols above the number keys Shift functions only as long as you continue to hold it down If the Caps Lock key is on Shift produces lower case characters capsick bmp Caps Lock is a toggle key Pressing Caps Lock once produces all upper case alphabetic characters Pressing Caps Lock again returns you to normal typing The Caps Lock icon lights when the function is on Ins insert is used to insert data del bmp Del delete is used to delete data ctrlalt bmp Pressing Ctrl or Alt with other keys sends special instructions to the computer Refer to your software documentation for more information on how these keys function with each software application pactriz bmp Pause or Ctrl S suspends program execution Press any key except Pause to resume program execution ctlnctic bmp Ctrl Pause Break or Ctrl C halts program execution NOTE Some application programs use Ctrl S or Ctrl C to execute other functions Such applications may use other key combinations to suspend or halt program execution prtscr bmp Pressing PrtSc in MS DOS and some applications sends the current contents of the display to
45. the mode s capabilities The number inside the brackets is the mode number If the image appears normal press Enter to test the next mode If the image on your screen appears different from the one shown below contact your dealer The first two tests check the 320 x 200 graphics modes The remaining screens 640 x 200 mode 6 640 x 200 mode E 640 x 350 mode 10 and 640 x 480 mode display similar tests Floppy Disk Diskette Test After the last graphics display test the program displays the following prompt FLOPPY DISK 503000 Mount the work disk s on the drive s then press Enter key Warning The contents of the disk s will be destroyed If diskette drives are connected this prompt asks you to insert a diskette into each diskette drive you want to test The diskettes you insert should contain no important information because the test destroys all data on the diskette The diskettes must be write enabled For 3 1 2 diskettes the write protect tab must be closed so you cannot see through it These disks must also be formatted See Chapter 5 Disks and Drives for more information on write enabling and formatting disks Press Enter when you ve inserted the disk s in the drive s The test begins and displays FLOPPY DISK IN PROGRESS 503000 If there is an error the asorten message appears Write down the highlighted numbers and press Ctrl Break to return to the pracnosrics mew If a disk drive fails check the follo
46. the printer pguppgdn bmp PgUp page up and PgDn page down move the screen display one page up or down respectively These features work only if your software supports them PgUp and PgDn have no effect in MS DOS haenar bmp Home End gt T and move the cursor in the indicated direction based on your software cursor movement conventions In MS DOS and have the same effect as BkSp and F1 respectively Refer to your MS DOS documentation for more information about how these keys function in MS DOS Fn function is used in combination with other keys to form soft keys Soft key functions are labeled on the fronts of the keys that activate the functions Refer to the next section Soft keys Fn key combinations for more information esc bmp In MS DOS you can cancel all the characters typed on a line by pressing Esc A backslash is displayed and the cursor moves down one line You can continue typing as if you started a new line In other applications ESC lets you exit the program you are using or return to the previous screen or function Soft Keys Fn Key Combinations The Fn function is unique to Toshiba computers and is used in combination with other keys to form soft keys Soft keys are key combinations that enable disable or configure specific features NOTE Some software may disable or interfere with soft key operations Select the appropriate processor speed before starting your software S
47. time for the computer to turn on automatically when the computer is in resume mode The feature is useful for receiving remote communications while you are asleep or away You can add a number of options to make your T2150CD series computer even more powerful and convenient to use The following options are available Memory expansion Battery pack International keyboards Keytop sets Port replicator Battery charger Security lock A 4 8 16 24 MB small outline SIMM can be easily inserted into the computer s memory slot giving the T2150CDS a maximum of 28MB of RAM and the T2150CDT a maximum of 32MB An additional battery pack can be purchased from your Toshiba dealer The battery pack is identical to the one already installed in your computer Use it as a spare or replacement You can use a number of languages on your computer by replacing your keyboard or using keytop replacements You can customize your keyboard for a variety of languages by replacing the keytops The port replicator provides the ports available on the T2150CD series computer in addition to a PS 2 mouse MIDI Joystick and audio line out ports The battery charger lets you charge extra batteries outside the computer A slot is available to attach a security cable to the computer to deter theft Chapter 2 The Grand Tour This chapter identifies the various components of your T2150CD series computer Become familiar with each component b
48. to send bits one after another serial interface Refers to a type of information exchange that transmits information sequentially one bit at a time Contrast Parallel interface serial port A communications port COMI or COM2 to which you can connect devices such as a modem mouse or serial printer SIMM Single In Line Memory Module RAM semiconductors used for memory expansion SIO Serial Input Output The electronic methodology used in serial data transmission soft key Key combinations that emulate keys on the IBM keyboard change some configuration options stop program execution and access the numeric keypad overlay software The set of programs procedures and related documentation associated with a computer system Specifically refers to computer programs that direct and control the computer system s activities See also hardware stop bit One or more bits of a byte that follow the transmitted character or group codes in asynchronous serial communications subpixel Three elements one red one green and blue RGB that make up a pixel on the color LCD The computer sets subpixels independently each may emit a different degree of brightness See also pixel supertwist nematic STN display A thin screen passive matrix color LCD that meets VGA standards with reproduction of 256 colors synchronous Having a constant time interval between successive bits characters or events syst
49. to the computer for damage Make sure it is securely connected A parallel printer connects to the parallel port and a serial printer to the RS 232 C serial port Make sure the ports are configured correctly Make sure your software is configured to recognize the printer Check your printer and software documentation Run the diagnostic test TDIAGS Check your printer documentation If problems persist contact your dealer If the pointer on screen does not respond as you expect or if it is hard to see check the settings in the AccuPoint setup program described in Chapter 10 Toshiba Utilities and Drivers If you are using a PS 2 or serial mouse also refer to Chapter 12 Optional Devices and to your mouse documentation AccuPoint Problem On screen pointer does not respond to AccuPoint operation PS 2 Mouse Problem On screen pointer does not respond to PS 2 mouse operation Serial Mouse Problem Procedure If a PS 2 or serial mouse is connected check the Setup program The Pointing Device option in the Others option box should be set to Simultaneous to use both the AccuPoint and an external mouse Make sure the following lines are contained in your AUTOEXEC BAT file PATH PATH C V MOUSE SET LMOUSE C MOUSE C MOUSE MOUSE SET TEMP C DOS These lines are necessary to load the AccuPoint driver If they are not there add them to your AUTOEXEC BAT file Reload the AccuPoint driver from your
50. whose method of data transmission between a parallel printer and a computer has become an industry standard CGA Color graphics adapter A video display protocol defined by the IBM Color Graphics Monitor Adapter and its associated circuitry This protocol supports two color 640x200 and four color 320x200 graphics and 16 color 640x200 and 320x200 text modes character Any letter number punctuation mark or symbol used by the computer Also synonymous with byte chassis The frame containing the computer chip A small semiconductor containing computer logic and circuitry for processing memory input output functions and controlling other chips CMOS Complementary Metal Oxide Semiconductor An electronic circuit fabricated on a silicon wafer that requires very little power Integrated circuits implemented in CMOS technology can be tightly packaged and are highly reliable cold start Starting a computer that is currently off turning on the power COM1 and COM2 The names assigned to the serial and communication ports command state A functional state of a modem that is off line waiting for commands commands Instructions you enter at the terminal keyboard that direct the actions of the computer or its peripheral devices communications The means by which a computer transmits and receives data to and from another computer or device S parallel interface serial interface compatibility 1 The ability of on
51. wipe it with a clean cloth dipped in water or a neutral cleaner See the CD care section in Chapter 5 for details on cleaning Check your config sys and autoexec bat files to make sure they have the necessary drivers and execution lines Refer to the CD ROM driver section in Chapter 10 Toshiba Utilities and Drivers Some CDs run correctly but others do not Diskette Drive The software or hardware configuration may be causing a problem Make sure the hardware configuration matches your software s needs Check the CD s documentation Check the type of CD you are using The drive supports audio CDs photo CDs and ISO 9660 If problems persist contact your dealer For more information refer to Chapter 5 Disks and Disk Drives Problem Drive does not operate Some programs run correctly but others do not You cannot access the external 3 1 2 diskette drive Diskette Procedure There may be a faulty cable connection Check the connection to the computer and to the drive The software or hardware configuration may be causing a problem Make sure the hardware configuration matches your software s needs Try another disk If you can access this disk the original disk not the disk drive is probably causing the problem Run the diagnostic test program TDIAGS If problems persist contact your dealer Look for error messages on the computer screen If a diskette is not properly formatted or if it does
52. you to assign either COM1 or COM2 to its port The computer does not use COM3 Use the TSETUP program to assign the port names Refer to Chapter 11 Setup and Password Security for details When you assign a port name either COM1 or COM 2 the I O address and interrupt level are automatically selected by the computer Documentation supplied with your application programs will tell you which communications parameters to select if required Cabling The computer s RS 232 C serial port is an IBM PC style serial interface It has an IBM PC AT D shell male connector This connector has 9 pins instead of the conventional 25 pins To connect any serial device to the computer you need the same cable that you would use to connect that device to an IBM PC XT Your dealer should be able to provide this type of cable If you can t get an IBM PC XT style cable you may need to have a custom made cable The pin assignments for the computer serial port are rzz32c bmp Pin Signal I O Description 1 DCD I Data carrier detect 2 RD I Serial receive data 3 SD O Serial transmit data 4 DTR O Data terminal ready 5 GND Signal ground 0 V 6 DSR I Data set ready 7 RTS O Request to send 8 CTS I Clear to send 9 RI I Ring indicator Communication Settings There are other considerations in serial communications They include O The computer s internal configuration MS DOS must know which logical serial port COMI or COM2 should receive and s
53. you turn on the power again you can continue working right where you left off This window lets you monitor the battery power level battery save mode and power up mode boot or AutoResume You can also set the battery save mode and the power up mode An easy to use menu lets you customize the configuration of your T2150CD series computer according to the way you work with your computer and the peripherals you use This Windows program lets you set the battery save levels for individual components without leaving Windows to use the TSETUP program This Windows program lets you define your own shortcut keys to quickly launch applications and speed your work in Windows This feature automatically cuts off power to the internal display when there is no keyboard input for a time specified in the TSETUP program or in MaxTime Power is restored when any key is pressed This feature automatically cuts off power to the hard disk drive when it is not accessed for a time specified in the TSETUP program or in MaxTime Power is restored when the hard disk 1s accessed System automatic power off Advanced power manager Keypad overlay Intelligent power supply Battery save mode Power on password Instant password Panel power on off Low battery automatic suspend This feature automatically turns off power to the system when a period of time specified in the TSETUP program has elapsed The feature works only in Resume mode
54. 0 7 bmp Figure 2 7 The indicator panel Power Speed pson bmp Disk disk bmp Caps Lock capslock bmp The Power Speed icon shows the processor speed when the computer is on Green indicates high speed and orange indicates low speed You can set the processing speed by using the TSETUP program Refer to the Processing Speed section in Chapter 11 Setup and Password Security This icon glows green when the computer is accessing the internal hard disk CD ROM or a diskette Refer to Chapter 5 Disks and Disk Drives This icon glows green when the alphabet keys are locked in uppercase Arrow mode When the Arrow mode icon lights green you can use the keypad overlay white labeled keys as cursor armade bmp keys Refer to the Keypad overlaysection in Chapter 6 The Keyboard Numeric mode You can use the keypad overlay white labeled keys for numeric input when the Numeric mode icon numlock bmp lights green Refer to the Keypad overlaysection in Chapter 6 The Keyboard Chapter 3 Getting Started This chapter provides basic information to get you started using your T2150CD series computer including the following topics C Setting up your work space for your health and safety Connecting the AC power cord Using the 3 1 2 external diskette drive Opening the display Turning on the power Inserting and removing diskettes Formatted diskettes Backi
55. 2 or Fn F3 to display the Pop up window The bar labeled for empty and r for full is automatically set to full when the battery pack is fully charged For details see the Monitoring battery capacity section in Chapter 7 Power and Power Up Modes Battery Save Mode Full Power E F Power up Mode Resume NOTE If you open the Pop up window by pressing Fn 4 F2 and continue holding down Fn pressing F2 again changes the battery save mode In the case of F3 the Resume Boot mode changes See Chapter 6 The Keyboard MaxTime Double click the Toshiba Utilities icon in the Windows Program Manager then double click the MaxTime icon to display a MaxTime window showing the current battery status You can also use this window to set battery save options sound system controls and other system configurations Refer to the MaxTime section in Chapter 11 Setup and Password Security Using AccuPoint To use the AccuPoint simply push it with your finger tip in the direction you want to move the on screen pointer 04 01 bmp Figure 4 1 AccuPoint and control buttons Two buttons below the keyboard are used like the buttons on a mouse pointer Press a button to select a menu item or to manipulate text or graphics designated by the pointer Refer to Chapter 10 Toshiba Utilities and Drivers for information on setting up the AccuPoint software Hand Position The AccuPoint and control buttons are designed for comfortable operation with
56. AutoResume feature will save data in a RAMDRIVE when the power is turned off However even with AutoResume if you reset your computer with the reset button or with Ctrl Alt Del your data will be lost See your MS DOS documentation for details on setting up a RAMDRIVE CPU Cache Memory You can use the Setup program to enable or disable the 16KB cache integrated into the DX4 processor The cache saves frequently used instructions for instant access which can speed up your system s performance Some older software does not run well on a high speed system In this case disabling the cache may improve performance NOTE If you set the processing speed to tow in the TSETUP program the CPU cache is automatically disabled Memory Access and Processor Modes The DX4 processors incorporate features of preceding processors the 8086 80286 and 80386 In addition the DX4 adds special features of its own which are available through various operating modes The following three operating modes can be used Real Mode Ll Protected Mode Ll virtual 8086 Mode As you discover and use new applications that require more memory and more sophisticated system resources you may find that you need a broader understanding of such concepts as protected mode The following sections briefly describe each of these modes Real Mode In real mode the DX4 emulates the programming environment of the 8086 processor Application programs can access the sta
57. C IN LED Check the AC IN LED to determine the power status with the AC cord connected Green Indicates the AC power cord is connected and supplying proper power to the computer Flashing green Indicates a problem with the power supply Try plugging the power cord into another AC outlet If the LED still flashes there could be a problem with the internal converter See your dealer Battery Types The computer has three types of batteries Ll Main battery pack Backup battery Real Time Clock RTC battery Main Battery The removable main battery pack also referred to in this manual as the main battery is the computer s main power source when the AC power cord is not attached You can purchase additional battery packs for extended use of the computer away from an AC power source One battery pack model is interchangeable among T2150CD series computers The main battery recharges both the backup and the RTC batteries when the system s power is on The backup and main battery maintain the state of the computer when you enable AutoResume Backup Battery The backup battery provides power for the computer s AutoResume feature It backs up data and programs in memory when the power is off when the AC power cord is removed and when the main battery pack is fully discharged or removed If the backup battery is completely discharged AutoResume does not function and the computer loses all data in memory The following messag
58. Copyright 1995 by Toshiba Corporation All rights reserved Under the copyright laws this manual cannot be reproduced in any form without the prior written permission of Toshiba No patent liability is assumed with respect to the use of the information contained herein Toshiba T2150CD Series Portable Personal Computer User s Manual First edition January 1995 Disclaimer This manual has been validated and reviewed for accuracy The instructions and descriptions it contains are accurate for the Toshiba T2150CD Series Portable Personal Computers at the time of this manual s production However succeeding computers and manuals are subject to change without notice Toshiba assumes no liability for damages incurred directly or indirectly from errors omissions or discrepancies between the computer and the manual Trademarks IBM is a registered trademark and IBM PC IBM PC XT IBM PC AT OS 2 and PS 2 are trademarks of International Business Machines Corporation Intel and DX4 are trademarks of Intel Corporation MS DOS and Microsoft are registered trademarks and Windows is a trademark of Microsoft Corporation Lotus and Lotus 1 2 3 are registered trademarks of Lotus Development Corporation QEMM Quarterdeck Expanded Memory Manager are trademarks of Quarterdeck Office Systems 386MAX is a trademark of Qualitas Inc Sound Blaster and Pro are trademarks of Creative Technology Ltd FCC Notice This equipment has been tested
59. MS DOS operating system or certain application software programs Emulating Fn Key on External Keyboard The Fn key is only on Toshiba keyboards If you use an external keyboard attached to the computer or to an optional port replicator you can execute Fn key combinations by emulating the Fn key For example you might hold down left Shift 4 left Ctrl then press F3 to change the power up mode See Chapter 11 Setup and Password Security for details on setting the Fn key equivalent Keyboard Layout The TSETUP program lets you alter the arrangement of the Caps Lock Ctrl and Alt keys according to the layouts shown below See Chapter 11 Setup and Password Security for details on changing the configuration If you choose the alternative layout cover the Caps Lock Ctrl and Alt key with the alternative stickers that are provided with the computer altnorm bmp Keypad Overlay Your computer s keyboard does not have an independent numeric keypad but its numeric keypad overlay functions like one The keys in the center of the keyboard with white letters make up the numeric keypad overlay The overlay provides the same functions as the numeric keypad on the 101 102 key enhanced keyboard in Figure 6 2 Turning on the Overlay The numeric keypad overlay can be used for numeric data input or cursor and page control Arrow Mode To turn on the Arrow mode press Fn F10 Arrow Mode icon lights Now try cursor and page control using th
60. ROM drive Doo ooo Oo o oo D Diskette drive System Start up D OOOOOOODO Diskette RAMDRIVE Printer AccuPoint PS 2 mouse Serial mouse PCMCIA card External monitor Expanded memory When the computer does not start properly check the following items Ll Self Test Ll Power Sources Ll Power on Password Self Test To run the computer s self test hold down the space bar and turn on the computer The following will be displayed c Copyright xxxx Toshiba Corp All rights reserved Self Test Memory Test xxxxKB Test Complete This message remains on the screen for a few seconds while the computer tests its memory If the self test is successful a short beep sounds and the computer tries to load MS DOS Depending on how the Boot Priority is set in the TSETUP program the computer tries to load first from drive A then from drive C or first from drive C then from drive A If any of the following conditions are present the self test failed The computer stops updating the memory counter and does not proceed to display information or messages Oa beep sounds and after a few seconds no new messages appear Q Random characters appear on the screen and the system does not function normally Ll The screen displays an error message Turn off the computer and check all cable connections and TSETUP values If the test fails again contact your dealer If the self test ends but you do not hear a beep ch
61. T Video modes Video Type Resolution Character T2150CDT CRT CRT CRT mode matrix LCD colors vertical horizontal pels colors refresh refresh rate rate 0 1 VGA Text 40 x 25 8x8 16 of 256K 16 of 256K 70Hz 31 5KHz Characters 2 3 VGA Text 80 x 25 8x8 16 of 256K 16 of 256K 70Hz 31 5KHz Characters 0 1 VGA Text 40x25 8x 14 16 of 256K 16 or 256K 70Hz 31 5KHz Characters 2 3 VGA Text 80 x 25 8x14 16 of 256K 16 or 256K 70HZ 31 5KHZ Characters O 1 VGA Text 40 x 25 8 9 x 16 16 of 256K 16 of 256K 70Hz 31 5KHz Characters 2 3 VGA Text 80 x 25 8 9 x 16 16 of 256K 16 of 256K 70Hz 31 5KHz Characters 4 5 VGA Grph 320 x 200 8x8 4 of 256K 4 of 256K 70Hz 31 5KHz 7 10 11 12 13 20 22 24 30 32 34 40 41 VGA Grph VGA Text VGA Text VGA Grph VGA Grph VGA Grph VGA Grph VGA Grph VGA Grph VGA Grph SVGA Grph SVGA Grph SVGA Grph SVGA Grph SVGA Grph SVGA Grph SVGA Grph SVGA Pels 640 x 200 Pels 80x25 Characters 80x25 Characters 320 x 200 Pels 640 x 200 Pels 640 x 350 Pels 640 x 350 Pels 640 x 480 Pels 640 x 480 Pels 320 x 200 Pels 640 x 480 Pels 800 x 600 Pels 1024 x 768 Pels 640 x 480 Pels 800 x 600 Pels 1024 x 768 Pels 640 x 480 Pels 640 x 480 8x8 8 9 x 14 8 9 x 16 8x8 8x8 8x14 8x14 8x16 8x16 8x8 8x16 8x8 8x16 8x16 8x16 8x16 8x16 8x16 2 of
62. ange the setting Battery Save Mode Full Power E XXXXXXXXXXXX F Power up Mode Resume If you press Fn F3 in a Windows environment an icon panel is displayed Continue holding down Fn and press F3 again to change the setting The highlighted icon changes according to the current setting See Chapter 11 Setup and Password Security for information on changing the setting using the TSETUP program tnig bmg Alarm Volume Press Fn F4 to adjust the alarm volume to low medium high or off When you press Fn F4 a beep sounds to let you know the current alarm volume Continue holding down Fn and press F4 again to change the setting The volume at power on depends on the TSETUP program setting See Chapter 11 Setup and Password Security fnf5 bmp Display Selection Pressing Fn F5 changes the active display device As indicated in the table below the changes depend on the computer s display type TSETUP setting and whether you have an external monitor connected TSETUP Active display Change order Internal External Internal Int gt Sim gt Ext External Ext gt Int gt Sim Simultaneous Simultaneous Sim gt Ext gt Int Accessing the Pop up Window tntzf3 bmp Press Fn F2 or Fn F3 to open the Pop up window While holding the Fn key press F2 again to change the battery save mode or press F3 again to toggle between Resume and Boot modes NOTE This soft key will not work if you are using a non
63. arts the hard disk Ll Restores the system including data in memory to its state immediately prior to shutdown Ll Restores the screen display as you left it AutoResume does not save your files to a physical disk It maintains the information in memory so you can start your application without reloading it when you turn the computer on again It is always a wise precaution however to save your work before you turn the computer off Turning off the computer in AutoResume mode To turn off the computer in AutoResume mode follow the steps below 1 If you are not sure whether you are in AutoResume mode you can check by pressing Fn F3 to open the Pop up window To change the mode continue holding down Fn and press F3 to change the mode The current mode is shown in the Pop up window You can also use the TSETUP program or MaxTime See Chapter 11 Setup and Password Security 2 Save your data to the hard disk or to a diskette 3 Check the Disk icon to make sure all disk activity has stopped CAUTION Turning off the computer while it is accessing a disk could damage the disk the drive or lose data 4 Press the power switch and hold it down for a couple of seconds When the computer shuts down in resume mode it sounds a short beep for each feature or device it deactivates 5 Turn off the power to any peripheral devices connected to the computer Do not turn the computer back on right away Wait a few seconds Starting the c
64. ay from the connectors will spring up See Figure 12 7 CAUTION Do not touch the connectors on the memory module or on the computer Debris on the connectors may cause memory access problems 12 07 bmp Figure 12 7 Removing the memory module 7 Fit the cover s latches into place and seat the cover 8 Secure the two screws Additional Battery Pack You can increase the portability of the computer with additional battery packs If you re away from an AC power source and your battery is running low you can replace it with a freshly charged battery See Chapter 7 Power and Power Up Modes Battery Charger The battery charger provides a convenient way to charge extra batteries outside the computer The time required for charging is about the same using the battery charger or using the AC power cord connected to the computer Port Replicator In addition to the ports available on the T2150CD series computer a port replicator provides an audio line out jack and PS 2 mouse and joystick ports The port replicator connects directly to the port replicator port on the back of the computer so no cabling is necessary An AC adapter included with your port replicator connects to the port replicator to a power source Ports for connecting the following devices are available on the port replicator Information on connecting each device is found later in this chapter External monitor Parallel printer Serial devices PS 2 mouse PS
65. be determined because the battery pack has been removed or replaced In this case the TSETUP or MaxTime program described in Chapter 11 Setup and Password Securtiy can be used to manually set the battery capacity Battery capacity can also be monitored using Max Time which is explained in Chapter 11 Setup and Password Security Maximizing Battery Operating Time A battery s usefulness depends on how long it can provide power on a single charge How long the charge lasts in a battery depends on m m How you configure the computer for example whether you enable battery power saving options The T2150CD series computers provide a battery save mode to conserve battery power This mode has the following four options e CPU sleep mode Display auto off e HDD auto off e LCD Brightness See Chapter 11 Setup and Password Security How often and how long you use the hard disk CD ROM and the 3 1 2 external diskette drive How much charge the battery contained to begin with How you use optional devices such as the card modem to which the battery supplies power Enabling AutoResume conserves battery power if you are frequently turning the computer off and on Where you store your programs and data It takes less power to access data in a RAMDRIVE for example than on a diskette or the hard disk C Closing the display when you are not using the keyboard saves power Operating time decreases at low temperatur
66. board MDA Monochrome Display Adapter A video display protocol defined by the IBM Monochrome Display Adapter and its associated circuitry for direct drive TTL displays that supports a monochrome 720x350 text mode megabyte MB A unit of data storage equal to 1024 kilobytes See also kilobyte menu A software interface that displays a list of options on the screen Also called a screen microprocessor A hardware component contained in a single integrated circuit that carries out instructions Also called the central processing unit CPU one of the main parts of the computer mode A method of operation for example the boot mode or the resume mod modem Derived from modulator demodulator a device that converts modulates digital data for transmission over telephone lines and then converts modulated data demodulates to digital format where received monitor A device that uses rows and columns of pixels to display alphanumeric characters or graphic images See CRT motherboard A name sometimes used to refer to the main printed circuit board in processing equipment It usually contains integrated circuits that perform the processorOs basic functions and provides connectors for adding other boards that perform special functions Sometimes called a main board N non system disk A formatted diskette floppy disk you can use to store programs and data but you cannot use to start the computer See system disk
67. by a diskette drive 05 02 bmp Figure 5 2 The write protect tab To write protect a 3 1 2 diskette slide the write protect tab to the outermost position You should be able to see through the write protect opening To write enable a diskette slide the tab toward the innermost position The write protect opening should be covered Diskette Care Handle your diskettes with care The following simple precautions will increase the lifetime of your diskettes and protect the data you store on them EE Store your diskettes in the container they came in to protect them and keep them clean If a diskette is dirty do not use cleaning fluid Clean it with a soft damp cloth G Do not slide back the diskette s protective metal covering or touch the diskette s magnetic surface Fingerprints may prevent the diskette drive from reading data from the diskette Data may be lost if the diskette is twisted bent or exposed to direct sunlight extreme heat or cold Do not place heavy objects on your diskettes md Do not eat smoke or use erasers near your diskettes Foreign particles inside the diskette s jacket can damage the magnetic surface Magnetic energy can destroy the data on your diskettes Keep your diskettes away from loud speakers radios television sets and other sources of magnetic fields RAMDRIVE Since a RAMDRIVE is created in the computer s memory it provide
68. cal disciplines For example ANSI defined the ASCII standard and other information processing requirements antistatic A material used to prevent the build up of static electricity application A group of programs that together are used for a specific task such as accounting financial planning spreadsheets word processing and games etc ASCII American Standard Code for Information Interchange ASCII code is a set of 256 binary codes that represent the most commonly used letters numbers and symbols async Short for asynchronous asynchronous Lacking regular time relationship As applied to computer communications asynchronous refers to the method of transmitting data that does not require a steady stream of bits to be transmitted at regular time intervals asynchronous communications parameters Values that determine how a character is encoded for transmission These parameters include baud rate parity number of data bits and the number of stop bits AUTOEXEC BAT A batch file that executes a series of MS DOS commands and programs each time you start the computer AutoResume A special feature that lets you turn off the power without first exiting a program and retain your data in RAM When you turn on the computer the screen appears the same as when you turned it off backup A duplicate copy of files kept as a spare in case the original is destroyed base memory See conventional memory batch f
69. ccessing the BIOS from the Shadow BIOS area is much faster than from flash ROM You cannot disable Shadow BIOS ROM Expanded Memory Some software packages that run under Toshiba MS DOS can use memory beyond 640KB as a Work area These applications were designed according to a standard known as Expanded Memory Specification EMS which was jointly developed by Lotus Intel and Microsoft Corporations This standard is called LIM EMS or expanded memory Certain applications require expanded memory to increase their data processing capabilities For example Lotus 1 2 3 uses expanded memory to provide more space for large spreadsheets A software application designed for LIM EMS can automatically use the RAM you assign to expanded memory The computer supports LIM EMS by emulating it in extended memory with the help of the 386 and 486 microprocessor s special feature virtual 86 mode You do not need any optional hardware devices or hardware settings to support LIM EMS on your computer However to use LIM EMS the EMM386 EXE and HIMEM SYS drivers must be assigned in your CONFIG SYS file as described below LIM EMS and Software Expanded memory requires two things for use The application you use must conform to the LIM EMS standard To determine if your software can take advantage of expanded memory refer to your software documentation The manual should tell you clearly if your package can use expanded memory and may even tell you wh
70. ce drivers that MS DOS loads when you turn the computer on disk cache A technique used to speed up processing Each time your application receives data from a disk a special program stores data read from the disk in a reserved area of RAM When the application next requests more data it first looks for it in the disk cache thus reducing data retrieval time disk drive The device that randomly accesses information on a disk and copies it to the computer s memory It also writes data from memory to the disk To accomplish these tasks the unit physically rotates the disk at high speed past a read write head disk storage Storing data on magnetic disk Data is arranged on concentric tracks much like a phonograph record diskette A diskette that stores magnetically encoded data used on a microcomputer Also called floppy disk display A CRT plasma screen LCD or other image producing device used to view computer output documentation The set of manual and or other instructions written for the users of a computer system or application Computer system documentation typically includes procedural and tutorial information as well as system functions DOS Disk operating system See operating system driver A software program generally part of the operating system that controls a specific piece of hardware frequently a peripheral device such as a printer or mouse DSR Data Set Ready An RS 232 C signal that ind
71. ce supplying 115 to 240 volts when you need to charge the battery or want to operate from AC power It is also the fastest way to get started because the battery pack will need to be charged before you can operate the computer from battery power 1 Connect the power cord to the AC IN socket on the back of the computer U3 U2 imp Figure 3 2 Connecting the power cord to the computer 2 Plug the other end of the power cord into a live wall outlet The Battery LED and AC IN LED will glow NOTES 1 Leaving the power cord connected when the computer is not in use charges the battery pack 2 Even when you re using the power cord you should have a battery pack installed to protect the battery contacts When you purchase your T2150CD series computer the battery is completely discharged To charge the battery pack so you can operate the computer on battery power simply leave the AC power cord connected with the computer s power turned off See the Main battery section in Chapter 4 Operating Basics for details Using 3 1 2 External Diskette Drive Use the 3 1 2 external diskette drive to transfer data to and from the computer system and to and from the hard disk NOTES 1 The external diskette drive should be placed on a flat horizontal surface when in use Do not set the drive on an incline greater than 20 while it is operating 2 Do not set anything on top of the diskette drive Connecting 3 1 2 External Diskette Drive
72. ch at the corner of the module This notch should be on the right as you insert the connectors See Figure 12 6 CAUTION 10 11 Do not touch the connectors on the memory module or on the computer Debris on the connectors may cause memory access problems 12 06 brnp Figure 12 6 Inserting the memory module The module is held up by springs in the computer s socket Gently push the module into place until two latches close over each side Fit the socket cover s latches into place and seat the cover Secure the two screws When you turn the computer on it should automatically recognize the total memory capacity Verify that the added memory is recognized Removing Memory Module To remove the memory module make sure the computer is in boot mode then 1 Remove the battery and turn the computer off Refer to Chapter 7 Power and Power Up Modes CAUTION a ge p de Do not try to remove a memory module with the computer turned on You can damage the computer and the memory module Remove all cables connected to the computer Turn the computer upside down Remove two screws securing the memory module socket cover Slide your fingernail or a thin object under the notch on the cover and rotate the cover up to remove it Two latches hold the cover in place on the side away from the screws Two latches on each side of the module hold it in place Press these to the outside to release the module The side of the module aw
73. contains this line device path ramdrive sys options where path lists the directory that contains RAMDRIVE SYS for example C DOS and options include the size of the RAMDRIVE and the memory conventional extended or expanded for the drive Make sure there is enough memory for a RAMDRIVE If your RAMDRIVE is in conventional memory load all the resident memory programs you plan to use then execute the MS DOS CHKDSK command CHKDSK displays the total memory available and total memory used If your RAMDRIVE is in expanded memory are you running another application that uses expanded memory Did you select enough expanded memory EMS to handle your RAMDRIVE Confirm that your CONFIG SYS file contains these Printer lines in this order device c dos himem sys device c dos emm386 exe device c dos ramdrive sys a The RAMDRIVE SYS drive must follow the EMM386 EXE driver Refer also to the printer sections in Chapter 12 Optional Devices and to the troubleshooting and other relevant sections in your printer and software documentation Problem Printer does not turn on Computer and printer do not communicate Printer error Pointing Device Procedure Check that the printer is connected to an electric outlet Make sure the outlet is supplying power by plugging in an appliance such as a lamp Make sure the printer is turned on and is on line ready to use Inspect the cable connecting the printer
74. crophone to the speaker during recording When the sound system software is installed for the first time this feature s default setting is off no throughput Turning it on may cause feedback during recording sessions If this occurs either turn down the speaker volume or turn off the Record Monitor option Mute This button under the Mic control in the Mixer Utility controls the throughput from the microphone to the speaker during all functions except recording When the sound system software is installed for the first time this feature s default setting is enabled no throughput Disabling the Mute feature may cause feedback during normal operation of the computer If this occurs either turn down your speaker volume or enable the Mute feature Sampling Rate The option for 44 1 kHz sampling rate in the Extended Recorder Program has been removed due to the large system requirements needed to record at this sampling rate Recordings made at this sampling rate could be distorted For distortion free recording please use the 22 05 kHz sampling rate Numeric Keypad and Arrow Key Overlay You can use part of your keyboard as a ten key keypad in either numeric mode for numeric data entry or arrow mode for cursor and page control The keypad overlay is indicated by white markings designating numbers and arithmetic functions for numeric entry or arrows and page indicators for cursor and page control O4 09 bone Figure 4 9 Numeric and arr
75. data used on a microcomputer Also called a diskette floppy disk drive FDD An electro mechanical device that reads and writes to floppy disks See also floppy disk and diskette format The process of readying a blank disk for its first use Formatting establishes the structure of the disk that the operating system expects befor it writes files or programs onto the disk full duplex See duplex function keys The keys labeled F1 through F12 that tell the computer to perform certain functions G GND Ground An RS 232 C signal used in the exchange of data between a computer and serial device graphics The use of drawings pictures or other images such as charts or graphs to present information H half duplex See duplex handshake The series of signals between a computer and another peripheral device for example a modem and a computer that sets the parameters required for exchanging data hard disk A non removable disk usually referred to as drive C The factory installs this disk and only a trained engineer can remove it for servicing Also called fixed disk hard disk drive HDD An electro mechanical device that reads and writes a hard disk See also hard disk hardware The physical electronic and mechanical components of a computer system typically the computer itself external disk drives etc See also software and firmware hexadecimal The base 16 numbering system composed of
76. de that came with the computer Ll Toshiba Companion Utility includes BACKUP EXE TOSCDROM SYS RESTORE EXE TSETUP EXE TDIAGS EXE and other utilities You should install these utilities on a separate diskette See Chapter 3 Getting Started The following utility is included in your system BIOS Chapter 11 Setup and Password Security This chapter explains how to use TSETUP and MaxTime options to configure the T2150CD series computer It also describes how to set the power on and instant security password to prevent others from accessing your data When you configure the computer with TSETUP the computer stores your selected values in memory that is backed up by the internal battery powered Real Time Clock RTC Each time you start the computer the configuration remains the same as that of the last setting NOTE If the RTC battery fully discharges configuration data is lost A checksum error is displayed when you start the computer and the system configuration returns to factory preset values SYSTEM SETUP of TSETUP SYSTEM SETUP is an option of the executable file TSETUP EXE which is stored in the DOS subdirectory on your hard disk Accessing SYSTEM SETUP 1 At the MS DOS prompt type TSETUP and press Enter TSETUP displays the SYSTEM SETUP screen 11 01 bmp Figure 11 1 The system setup screen NOTES 1 The T2150CDS comes with standard 4096KB of memory The MEMORY total item displays the actual memory installed 2
77. diskette eject button pops out If you insert a diskette upside down or backwards it will not completely enter the drive or it will keep popping out each time you insert it Never force a diskette in or out of the drive If it doesn t easily go in take the diskette out and make sure you are inserting it properly If the diskette is stuck inside the drive contact your dealer Remove a diskette by pressing the diskette eject button The diskette comes partially out for easy removal Store the diskette in its storage box CAUTION Check whether the Disk icon lights when you use the diskette drive Never press the eject button or turn off the computer while the icon is glowing Doing so could destroy data and damage the diskette or the drive Formatted Diskettes Before you can use a diskette it must be formatted Some diskettes are sold preformatted In this case you only have to insert the diskette into the drive to use it If your diskettes are not preformatted refer to the Formatting disks section in Chapter 5 Disks and Disk Drives You can also refer to your MS DOS documentation The T2150CD series computers can use either high density 2HD diskettes to store 1 44MB of data or double density 2DD diskettes to store 720KB NOTE If you are going to make backup diskettes of your preinstalled software you can back up files and format your diskettes in one operation as indicated in the next section Backing Up Preinstalled Software
78. e AC IN socket and plug the other end into a working outlet Turn the computer off The Battery LED glows orange when the battery is being charged CAUTION Use only the T2150CD series computer connected to an AC power source or the optional Toshiba Battery charger to charge the battery pack Do not attempt to charge the battery pack with any other charger Time The following table shows the time required to fully charge a discharged battery Charging time hours Battery Power on Power off Battery pack Trickle charge 25 Backup battery 20 20 RTC battery 48 doesn t charge Battery Charging Notice The battery may not charge right away under the following conditions The battery is extremely hot or cold To assure the battery charges to its full capacity charge the battery at room temperature of 10 to 30 C 50 to 88 F 2 The battery is nearly completely discharged Leave the AC power cord connected for a few minutes and the battery should begin charging The Battery LED may show a rapid decrease in battery operating time when you try to charge a battery under the following conditions O The battery has not been used for a long time Ll C The battery completely discharged and left in the computer for a long time Ll A cool battery is installed in a warm computer In such case follow the steps below 1 Fully discharge the battery by leaving it in the computer with the power on until the power automatically sh
79. e T2150CDS comes with 4MB of internal RAM expandable with 4 8 16 or 24MB memory cards to 8 12 20 or 28MB The T2150CDT comes with 8MB of RAM expandable to 12 16 or 24 or 32MB You can store data in RAM as well as read information from it Because RAM is volatile you lose all information stored in RAM when you turn off the computer or experience a power failure Unlike ROM which performs functions determined by the manufacturer RAM can be altered by the user You can add RAM capacity and configure RAM to optimize the performance of your software The next section describes the functions and configuration of RAM Using RAM Manufacturers of personal computers have adopted the following names to describe the functions of various parts of RAM Conventional memory Upper memory High memory Extended memory Oooo oOo Expanded memory The following memory map shows how RAM is allocated Memory Map This diagram illustrates how your computer allocates memory Although memory size is referred to in thousands of bytes characters or in kilobytes the actual quantities are slightly larger This is because a kilobyte is actually 1 024 bytes 2 0 not 1 000 bytes Memory measurements are usually rounded off to simplify discussion memimap bmp Conventional Memory MS DOS can directly access only 1 megabyte 1024 kilobytes of memory at a time This is the area between OKB and 1MB on the memory map The first 640 kilobytes in this area
80. e appears when you turn on the power WARNING RESUME FAILURE PRESS ANY KEY TO CONTINUE Real Time Clock Battery The Real Time Clock RTC battery provides power for the internal real time clock and calendar It also maintains the system configuration the TSETUP program s values and the Pop up window s contents If the RTC battery becomes completely discharged the system loses this data and the real time clock and calendar stop working The following message appears when you turn on the power Error in CMOS Bad battery Check system Then press F1 key CAUTION The computer s RTC battery is a vanadium lithium V Li battery and should be replaced only by your dealer or by a Toshiba service representative The battery contains lithium and can explode if not properly replaced used handled or disposed of Dispose of the battery as required by local ordinances or regulations Care and Use of the Battery Pack The battery pack is a vital component of portable computing Taking proper care of it will help assure longer operating time on battery power as well as a longer life for your battery pack Follow the instructions in this section carefully to assure safe operation and maximum performance Safety Precautions Never try to disassemble the battery pack 2 Do not overcharge short circuit reverse charge mutilate or incinerate the battery Any one of the above actions could result in the release of toxic mater
81. e computer to accept and process data in the same manner as another computer without modifying the data or the media upon which it is being transferred 2 the ability of one device to connect to or communicate with another system or component components Elements or parts of a system which make up the whole system computer program A set of instructions written for a computer that enable it to achieve a desired result computer system A combination of hardware software firmware and peripheral components assembled to process data into useful information configuration The specific components in your system such as the terminal printer and disk drives and the settings that define how your system works You use the SETUP program or the pop up window to control your system configuration control keys A key or sequence of keys you enter from the keyboard to initiate a particular function within a program controller Built in hardware and software that controls the functions of a specific internal or peripheral device e g keyboard controller conventional memory The first 640KB of RAM where MS DOS runs programs and temporarily stores data Also called standard memory CPS Characters per second Typically used to indicate the transmission speed of a printer CPU Central processing unit The portion of the computer that interprets and executes instructions CRT Cathode Ray Tube A vacuum tube
82. e cord is firmly connected to the computer and a power outlet Check the condition of the cord and terminals If the cord is frayed or damaged replace it If the terminals are soiled wipe them with cotton or a clean cloth If the AC power cord still does not power the computer contact your dealer Password If you forgot your password you can use your password service diskette to start the computer If you did not make a password service diskette or if it doesn t work see your dealer Problem Procedure Cannot enter password Refer to the Password security section in Chapter 11 Setup and Password Security Hotkeys Refer to Chapter 6 The Keyboard for information on using hotkeys Make sure the operation is correct and try a few hotkey combinations Problem Procedure Hotkeys do not work If you are using an external keyboard make sure the Ext Keyboard Fn key equivalent is set to the combination you are using If you are still unable to use the hotkeys consult your dealer Keyboard Keyboard problems can be caused by your setup configuration For more information refer to Chapter 6 The Keyboard and Chapter 11 Setup and Password Security Problem Procedure Some letter keys produce numbers Check that the numeric keypad overlay is not selected Press Fn F10 and try typing again Alt Ctrl or CapsLock do not work as Check the TSETUP program to see whether the expected keyboard layout is set to normal or alterna
83. e keys shown in Figure 6 2 Press Fn F10 again to turn off the overlay Numeric Mode To turn on the Numeric mode press Fn F11 Numeric mode icon lights Now try numeric data entry using the keys in Figure 6 2 Press Fn F11 again to turn off the overlay 06 02 bmp Figure 6 2 The numeric keypad overlay Temporarily Using the Normal Keyboard overlay on While using the overlay you can temporarily access the normal keyboard without turning off the overlay 1 Hold Fn and press any other key All keys will operate as if the overlay were off 2 Type upper case characters by holding Fn Shift and pressing a character key 3 Release Fn to continue using the overlay Temporarily Using the Overlay overlay off While using the normal keyboard you can temporarily use the keypad overlay without turning it on 1 Press and hold down Fn 2 Check the icon panel Pressing Fn turns on the most recently used overlay If the Numeric mode icon lights you can use the overlay for numeric entry If the Arrow mode icon lights you can use it for cursor and page control 3 Release Fn to return to normal keyboard operation Temporarily Changing Modes If the computer is in Numeric mode you can switch temporarily to Arrow mode by pressing a shift key If the computer is in Arrow mode you can switch temporarily to Numeric mode by pressing a shift key Generating ASCII Characters Not all ASCII characters can be generated using nor
84. each time you start your computer Check for any error messages displayed during system start up Run the diagnostic test program The memory test automatically checks expanded memory If problems persist contact your dealer The diagnostic test program checks system components to help you determine the cause of the computer s problem Executing the Diagnostic Test Program To start the diagnostics follow these steps 1 Check all cables for loose connections 2 Exit any application you may be using and close Windows 3 Be sure the computer is not in virtual 86 mode The test will not run in that mode If you try to run the test in virtual 86 mode the following message will be displayed Cannot execute in a virtual 8086 mode If the preceding message is displayed remove memory managers from your config sys file See your MS DOS documentation for information on the config sys file 4 Go to drive C and at the DOS prompt C gt type TDIAGS MS DOS loads the diagnostic test and displays the following screen TOSHIBA personal computer xxxx DIAGNOSTICS version x xx c copyright TOSHIBA Corp 19xx Test the DIAGNOSTICS Y N 5 To execute the program type Y to exit type N Choosing Test Options Before the test begins you are prompted to select whether to test the following components To select the test type Y at the prompt otherwise type N Component Prompt Diskette drive Test the FDD Y N This test wri
85. ean cloth and wipe the screen gently with the cloth CAUTION Never spray cleaner directly onto the computer or let liquid run into any part of it Never use harsh or caustic chemical products to clean the computer Moving the Computer The T2150CD series computer is designed for rugged durability However a few simple precautions taken when moving the computer will help assure trouble free operation Make sure all disk activity has ended before moving the computer Check the Disk icon on the computer and the indicators on any external disk drives C If a CD is in the CD ROM drive remove it Make sure the CD ROM drawer is securely closed Ll Disconnect the external 3 1 2 diskette drive and all other peripherals before moving the computer Ll Tum off the power to the computer Ll Close the display Do not pick up the computer by its display panel or back where the interface ports are located Ll Disconnect the AC power cord if it is connected Ll Use the carrying case when transporting the computer Chapter 5 Disks and Disk Drives Your T2150CD series computer has a number of data storage features This chapter introduces the computer s data storage devices and describes how to use them Types of Disk Drives The following data storage devices are available Hard disk drive An internal 2 1 2 520 million byte 500MB hard disk drive HDD provides nonvolatile storage for data and software CD ROM drive A d
86. ears consult your dealer If the printer tests successfully the following message is displayed DIAGNOSTICS completed Press Enter key Press Enter to return to the Diagnostics menu Toshiba Support If you require any additional help using your new T2150CD series computer or if you are having problems operating the computer you may need to contact Toshiba for additional technical assistance Before You Call Some problems you experience may be related to software or the operating system it is important to investigate other sources of assistance first Before contacting Toshiba try the following Review troubleshooting sections in the Microsoft Windows for Workgroups 3 11 amp MS DOS 6 2 Concise User s Guide and documentation for peripheral devices O rfa problem occurs when you are running software applications consult the software documentation for troubleshooting suggestions Call the software company s technical support for assistance Ll Consult the dealer you purchased your computer and or software from They are your best sources for current information and support Where to Write If you are still unable to solve the problem and suspect that it is hardware related write to Toshiba at the nearest location listed below Outside of Europe Australia Toshiba Australia Pty Ltd Information Systems Division 84 92 Talavera Road North Ryde N S W 2113 Sydney Australia Canada Toshiba of Canada Limited
87. eck TSETUP to see if the speaker has been disabled If it has not your computer s speaker may be faulty A faulty speaker does not affect normal computer operation and can be fixed by your local dealer Power Sources When the computer is not plugged into an AC power outlet the battery pack is the primary power source However your computer has a number of other power resources including intelligent power supply Real Time Clock battery and Backup battery These resources are interrelated and any one could affect apparent power problems This section provides check lists for AC connections and the main battery If you cannot resolve a problem after following them the cause could lie with another power resource In such case contact your dealer Battery If you suspect a problem with the battery check the AC IN LED as well as the battery LED For information on indicators and battery operation see Chapter 7 Power and Power Up Modes Problem Procedure Battery doesn t power the computer The battery may be discharged Connect the AC power cord to charge the battery Battery doesn t charge when the AC power cord is attached AC IN indicator should glow green Battery doesn t power the computer as long as expected AC power If the battery is completely discharged it will not begin charging immediately Wait a few minutes If the battery still does not charge make sure the outlet is supplying power Plug in an appliance such
88. ection of a stereo headphone 80 ohm minimum or other device for audio output When you connect headphones the internal speaker is automatically disabled The line in jack lets you play stereo sound from an external device Use this dial to adjust the volume of the system speaker A security cable attaches to this slot The optional security cable anchors your computer to a desk or other large object to deter theft Figure 2 3 shows the computer s right side L1 2 LE3 bmp Figure 2 3 The right side of the T2150CD series computer CD ROM drive A full size double speed CD ROM drive lets you run 540MB CD ROMS To open the CD ROM drawer push the button on the drawer s door Refer to Chapter 4 Operating Basics Contrast control Use this dial to adjust the screen s readability Only on the T2150CDS contrast bmp Back Side Figure 2 4 shows the computer s back panel 02 04 bmp Figure 2 4 The back side of the T2150CD series computer PS 2 keyboard port Use this port to connect an external PS 2 compatible keyboard pskeyprt bmp Serial port Use this 9 pin port to connect external serial devices such as an external modem a serial mouse or printer serial i bmp External monitor port This 15 pin port lets you connect an external video display extport bmp Port Replicator Port This port enables you to connect an optional port replicator which provides all the
89. een prompts until all files have been restored Installing Application Software When you have created backup diskettes of the software preinstalled on your hard disk you can begin installing your application programs Your applications may require extended memory expanded memory or other system resources to run correctly Check your software documentation to determine its requirements and refer to Chapter 11 Setup and Password Security to make sure the computer is set up to work correctly with your software Setting Up Windows If you change a system setting by choosing the Windows Setup icon in the Main group or running the Windows Setup program from the DOS prompt you may be requested to insert the Windows diskette containing the required driver into drive A In this case do not insert the diskette Instead type C WINDOWS DRIVERS and press Enter Turning Off the Power When you have finished work follow the steps below to turn off the power to your computer 1 If you have entered data save it to the hard disk or to a diskette 2 Exit the application you are using if you are in boot mode If you are in resume mode it is not necessary to exit the application Refer to Chapter 7 Power and Power Up Modes for information on setting power up modes 3 Make sure all disk activity has stopped then remove any CD ROM from the internal drive and any diskette from the external 3 1 2 diskette drive CAUTION Make sure the Disk ico
90. efore you operate the computer Front With Display Closed Figure 2 1 shows the computer s front with its display panel in the closed position 02 01 bmp Figure 2 1 Front of T2150CD series computer with display closed Display latch Palm rest latches AC IN LED dcinplug bmp Battery LED batled bmp Reset reset bmp This latch secures the LCD panel in its closed position These two latches let you lift up the palm rest when you need to remove or install the battery pack The AC IN LED glows green when AC power is supplied If the internal converter s voltage is abnormal or if the power supply malfunctions this indicator flashes orange The Battery LED indicates the condition of the battery s charge green indicates full charge orange indicates battery charging and flashing orange indicates a low battery charge Refer to Chapter 4 Operating Basics Press the reset button to reset the computer when it does not respond to keyboard commands Use a reset bmp CAUTION does not respond to keyboard commands Use a narrow object such as the tip of a covered ball point pen The system restarts clearing all data in memory and overriding the AutoResume feature See Chapter 7 Power and Power Up Modes for more information on the switch and AutoResume Do not use a pencil to push the reset button Pencil lead can break off inside the computer and damage its ci
91. eject button for the card you want to remove The card will pop out slightly 4 Grasp the card and pull it out 12 04 bmp Figure 12 4 Removing the PCMCIA card 5 Close the cover Memory Expansion You can install a memory module in the computer s Small Outline SIMM socket to increase the amount of RAM to a maximum of 28MB in the T2150CDS or 32MB in the T2150CDT Refer to Chapter 8 Memory for details on configuring your expansion memory Installing Memory Module To install the memory module carefully follow the instructions below 1 Remove the main battery Refer to Chapter 7 Power and Power Up Mode 2 Make sure the computer is in boot mode then turn off the power CAUTION 1 Do not try to install a memory module with the computer turned on You can damage the computer and the module 2 Be careful not to drop foreign objects into the computer Metal objects can cause permanent damage to the computer s circuitry and could possibly result in electric shock Remove all cables connected to the computer Turn the computer upside down Remove two screws securing the memory module socket cover Qv EA ame im Slide a thin object under the notch on the cover and rotate the cover up to remove it Two latches hold the cover in place on the side away from the screws 12 05 bmp Figure 12 5 Removing the memory module socket cover 7 Insert the memory module connectors first into the computer s connectors Note the not
92. em disk A disk that has been formatted with an operating system For MS DOS the operating system is contained in two hidden files and the COMMAND COM file You can boot a computer using a system disk Also called an operating system disk T terminal A typewriter like keyboard and CRT display screen connected to the computer for the input output of data TDIAG A diagnostic program used for testing and configuring the RAM printer diskette drive and video system on the T1950 series computers TFT A color LCD technology that applies individual transistors to each pixel enabling fine display control and execellent screen legibility touch tone dialing A dialing technique used by the modem Each digit or or is represented by two tones Also called DTMF dual tone multi frequency TTL Transistor transistor logic A logic circuit design that uses switching transistors for gates and storage U upper memory area UMA The area of memory between 640 KB and 1 MB This area used mostly for video memory and other system functions also contains small blocks of memory upper memory blocks that the computer can use for device drivers and other memory resident program upper memory block UMB Continuous regions of the upper memory area into which the computer may load programs and device drivers V VDISK Virtual disk Part of the computerOs random access memory assigned to simulate a disk VDISK i
93. em or non system disk This section describes these disks after they are formatted Any diskette can be a system disk which means you can use it to start up the system on your computer After you install MS DOS create a system disk to use in case your hard disk fails Creating a System Disk To create a system disk 1 Insert a blank formatted disk into drive A 2 Type sys a and press Enter MS DOS copies the system files to the disk You can also create a system disk by adding S to the MS DOS FORMAT command when you format a disk To use a system disk insert it in drive A and turn on the computer You must format a hard disk or a diskette as a system disk in order to automatically start or restart the system from that disk Hard disks are almost always formatted as system disks You cannot format a RAMDRIVE as a system disk Non System Disks Non system disks do not contain the MS DOS hidden system files so you cannot start the computer with them Store data or make backups of current files using non system disks MS DOS displays the following message if you try to start the system with a non system disk Non system disk or disk error Replace and press any key To recover from this error message you can start the computer from the hard disk simply by removing the diskette and pressing any key If you need to start from the diskette drive remove the non system disk insert a system disk and press any key Protecting Your Da
94. end data Ll The internal configuration of the peripheral device Ll The configuration of the communications parameters The parameters of both devices must match Use the MODE command to set these parameters on the computer as described in the MS DOS documentation Many communications software packages also provide ways to set communications parameters Refer to your software documentation for more information Preset Parameter Settings When you start the computer serial communications parameters are automatically assigned preset values The first time you use your computer these values are set as follows Parameter Preset value baud rate None parity Even data bits 7 stop bits 1 2 for 110 baud Once you set the preferred parameter values with the MS DOS MODE command these become the current preset values You can however place the MODE command and your preferred parameters in your AUTOEXEC BAT batch file This way each time you power on your computer your preferred values will be set For more information on batch files refer to your MS DOS documentation NOTE Because the baud rate is not automatically set you cannot use a serial device without first setting this parameter Most software applications using a serial port set the baud rate for you Refer to the application s documentation Connecting a Serial Printer You can connect most serial printers to the computer with a standard cable that has an AT c
95. er Seating and Posture The height of your chair in relation to the computer and keyboard as well as the support it gives your body are primary factors in reducing work strain Refer to the following tips and to Figure 3 1 03 01 bmp Figure 3 1 Posture and positioning of the computer Ll Position your chair so that the keyboard is at or slightly below the level of your elbow You should be able to type comfortably with your shoulders relaxed Ll Your knees should be slightly higher than your hips If necessary use a foot rest to raise the level of your knees to ease pressure on the back of your thighs m Adjust the back of your chair so that it supports the lower curve of your spine Ll Sit straight so that your knees hips and elbows form approximately 90 degree angles when you work Do not slump forward or lean back too far Lighting Proper lighting can improve legibility of the display and reduce eye strain Ll Position the computer so that sunlight or bright indoor lighting does not reflect off the screen Use tinted windows shades or other screen to eliminate sun glare Ll Avoid placing the computer in front of bright light that could shine directly in your eyes O if possible use soft indirect lighting in your computer work area Use a lamp to illuminate your documents or desk but be sure to position the lamp so that it does not reflect off the display or shine in your eyes Work Habits A key to avoiding discomfort or i
96. er Appendix B ASCII Character codes shows the available character set Also refer to your software s documentation U5 02 Krmp Figure 8 2 Character cell The character cells are arranged in rows and columns The computer s display supports two text modes Ll 80 columns by 25 rows with each pel containing 64 pixels 8 x 8 Ll 40 columns by 25 rows with each pel containing 128 pixels 16 x 8 U5 03 Krmp Figure 8 3 Text modes Graphics Mode The text mode in MS DOS is 80 x 25 You can use the MODE command to specify 40 column mode while in MS DOS refer to your MS DOS documentation but most applications reset the screen mode when they load In graphics mode a pel is not limited to a set of characters Instead your software can turn any pel on or off freely An image produced this way can be a variation of a text character such as italics or boldface Or it can be a graph such as a pie chart 0 04 bmp Figure 8 4 Pixels on and off The 320 x 200 graphics mode deserves special note In this resolution each pel consists of four pixels By turning on and off different numbers of pixels in each pel the display shows different shades of gray Selecting Video Mode How your software displays information on the LCD depends on the mode it uses The T2150CD series computer supports a number of video modes which determine the screen mode text or graphics resolution and the number of colors available Table 8 1 T2150CD
97. er It also provides detailed information on configuring your computer basic operations and care using optional devices and troubleshooting If you are a new user of computers or if you re new to Microsoft Windows or portable computing first read over the ntroduction and The Grand Tour chapters to familiarize yourself with the T2150CD series computer s features components and accessory devices Then read Getting Started for step by step instructions on setting up and getting started on your computer and backing up your preinstalled software If you are an experienced computer user please continue reading the preface to learn how this manual is organized then become acquainted with this manual by browsing through its pages Be sure to look over the Special features section of the Introduction to learn about features that are uncommon or unique to the T2150CD series computers and carefully read Setup and Password Security Also read Getting Started for procedures on backing up your preinstalled software Manual Contents This manual is composed of 13 chapters four appendixes and a glossary Chapter 1 Introduction is an overview of the T2150CD series computer s features capabilities and options Chapter 2 The Grand Tour identifies the components of the computer and briefly explains how they function Chapter 3 Getting Started provides a quick overview of how to begin operating your computer Chapter 4 Operating Basics
98. erent video and screen modes Try different color settings until you re satisfied with the result Many applications make it easy for you to experiment You may find the following points helpful in making your selection Ll For software that supports only text modes 80 columns x 25 lines displays twice as much information as 40 columns x 25 lines 2 000 characters and 1 000 characters respectively Some software also supports 132 columns x 43 lines or even 132 columns x 50 lines O if your software supports both graphics and text modes the screen display may appear to operate faster using a text mode The LCD s highest graphics resolution is 640 columns x 480 lines Displaying Colors The T2150CDT s TFT panels can display up to 16 colors out of a possible 256K colors in text mode In graphics mode the panels can display 256 colors out of a possible 256K colors and 32K 64K colors The T2150CDS s STN panels can display in 16 colors out of a possible 4096 222K in text mode and in graphics mode they can display 256 colors out of a possible 4096 222K colors Some software packages have a setup program that requires you to choose a graphics mode When you choose a mode consider the following The T2150CD series s VGA compatible controller allows the software to make full use of the VGA controller s capabilities In 640 x 200 mode the LCD display forms each pel from two pixels In 320 x 200 mode the LCD display forms eac
99. es The condition of the battery terminals Make sure the battery terminals stay clean by wiping them with a clean dry cloth before installing the battery pack Retaining Data With Power Off When you turn off your computer with fully charged batteries the batteries retain data for the following approximate time periods Battery pack 4 days Back up battery 5 hours RTC battery 1 month Extending Battery Life To maximize the life of your battery pack Occasionally completely discharge the battery before you recharge it O if you have extra battery packs rotate their use O if you will not be using the system for an extended period remove the battery pack LI Disconnect the AC power cord when the battery is fully charged Overcharging makes the battery hot and shortens life Ll Store spare battery packs in a cool dry place out of direct sunlight Replacing the Battery Pack When the battery pack reaches the end of its operating life you will need to install a new one The life of the battery pack is generally about 500 recharges If the Battery LED flashes orange shortly after fully recharging the battery the battery pack needs to be replaced You might also replace a discharged battery pack with charged spare when you are operating your computer away from an AC power source This section explains how to remove and install battery packs CAUTION When handling battery packs be careful not to short circuit their terminals
100. feature System Auto Off This feature turns the system off automatically if it is not used for a set duration Refer to Chapter 11 Setup and Password Security for an explanation of how to set the duration Alarm Power On This feature lets you set a time for the system to turn on automatically Refer to Chapter 11 Setup and Password Security for an explanation of how to set the power on timing Chapter 8 Display Panel The T2150CD series computers are equipped with either a color advanced STN Liquid Crystal Display LCD or a color TFT LCD display This chapter explains functions of color displays external monitors and the display controller Displaying Images Images are formed on the display by dots called pixels Each dot can be turned on to emit light or turned off to appear dark On the T2150CDS STN screen images are created by the contrast of light and dark pixels and color filters On the T2150CDT TFT screen images are created by various intensities of red green and blue subpixels 08 071 bmp Figure 8 1 Forming images with pixels and pels Ll Pixels are the smallest visual element on the screen They are single points of light that can be turned on or off T2150CDS A pixel on an STN Super Twisted Nematic LCD is either light on or dark off Color images are achieved by the use of color filters to generate and mix the three primary additive colors red green and blue T2150CDT The color TFT Thin Film T
101. follow instructions may cause data loss or damage your equipment NOTE Please read A note is a hint or advice that helps you make best use of your equipment Chapter 1 Introduction This chapter provides an equipment checklist and it identifies the T2150CD series computer s features options and accessories CAUTION Some of the features described in this manual may not function properly if an operating system other than preinstalled Toshiba MS DOS is used on the computer Equipment Checklist Carefully unpack your computer Save the box and packing materials for future use Check to make sure you have all the following items Q Q m Q Q T2150CD Series Portable Personal Computer External 3 1 2 diskette driveand cable Five spare AccuPoint pointing device caps one green two blue two gray AC power cord Key cap stickers Ctrl Alt CapsLock The following software that is preinstalled on your hard disk Toshiba MS DOS 6 22 Microsoft Windows for Workgroups 3 11 Companion Utility Windows Utility Mouseware for AccuPoint driver Display drivers for Windows Card Manager CD ROM driver Audio Applications Hypertext on line help O Your computer s documentation T2150CD Series Portable Personal Computer User s Manual Microsoft Windows for Workgroups 3 11 amp MS DOS 6 22 User s Guide Card Manager User s Guide e Audio Applications User s Guide e International Limited Warranty ILW Instruction
102. green Quick charge LED Battery orange AC IN green AC cord not connected No battery installed Battery charge is above low battery trigger point Battery charge is below low battery trigger point Battery charge exhausted No battery installed bmcrnbullet bmp Operates bmernbullet bmp No charge bmcrnbullet bmp LED Battery off AC IN green bmcrnbullet bmp Operates bmcrbullet bmp LED Battery off AC IN off bmcrbullet bmp Operates bmcrnbullet bmp Alarm sounds bmernbullet bmp LED Battery flashes orange AC IN off Computer goes into resume mode and shuts down bmernbullet bmp No operation bmcrnbullet bmp No charge LED Battery off AC IN green LED Battery off AC IN off Power LEDs As shown in the above table LED indicators on the front of the computer alert you to the computer s operating capability and battery charge status Battery LED Check the Battery LED to determine the status of the main battery The following LED lights indicate the battery status Flashing orange The battery charge is low The AC power cord must be connected to recharge the battery Orange Indicates the AC power cord is connected and charging the battery with the power off Green Indicates the AC power cord is connected and the battery is fully charged whether the power is on or off No light Under any other conditions the LED does not light A
103. gt To run a command located on a diskette in drive A you would type A followed by the command A command MS DOS finds and runs the command if it is in the current directory on the diskette in drive A You can use drive identifiers in other ways For example to copy a file from drive C to drive A using MS DOS at the system prompt type COPY C sourcefile A targetfile MS DOS copies the sourcefile the file you want to copy from the hard disk to the diskette in drive A and names it targetfile any name you choose to type in The file on the hard disk does not change For other operations using the COPY command see the MS DOS documentation If you issue a command without specifying a drive MS DOS uses the current drive Accessing Executable Files on Disks Usually executable files or commands are located on disks There are three ways to access an executable file 1 Switch to the directory containing the file type the file name and press Enter To switch to a directory type the disk drive and colon then cd backslash and the directory s name For example to change from A drive to the DOS directory on drive C type C and press Enter then cd dos and press Enter Then type the name of the executable file 2 The above process can be done in one step by including the full path name to the executable file For example type c dos TSETUP and press Enter 3 Include the file s path name in the PATH command you are cu
104. h pel from four pixels arranged in a square Ll If you are using a VGA compatible analog external monitor up to 256 colors out of the maximum 256K colors may be displayed simultaneously The T2150CDT also has display modes for 32K out of 32K colors and 64K out of 64K colors Using an External Color Monitor The T2150CD series computers support VGA and Super VGA video modes You can use a high resolution monitor connected to the external monitor port on the computer or to the external monitor port on an optional port replicator See Chapter 12 Optional Devices for information on connecting an external monitor and a port replicator When you connect an external monitor and turn on the computer s power the computer automatically recognizes the monitor and determines whether it is color or monochrome You do not have to make any settings to use an external monitor However you can select from the following options External monitor only Ll Internal LCD only Ll Simultaneous display on the external monitor and internal LCD The TSETUP program has two options simultaneous and Internal External If you select Simultaneous displays appear on the internal LCD and external monitor at the same time If you select 1nteznai Externai press hotkey combination Fn F5 to change from internal LCD to external monitor to simultaneous CAUTION Do not press Fn F5 under the following conditions 1 While running data communications an error cou
105. heral devices before you turn on the computer This includes your printer and any other external device you are using Ll Before you attach an external device turn the computer off When you turn the computer back on it recognizes the new device m Make sure all options are set properly in the TSETUP program Check all cables Are they correctly and firmly attached Loose cables can cause signal errors Inspect all connecting cables for loose wires and all connectors for loose pins Check that your diskette is correctly inserted and that the write protect tab is correctly set Make notes of your observations and keep them in a permanent error log This will help you describe your problems to your dealer If a problem recurs the log will help you identify the problem faster Analyzing the Problem Sometimes the system gives clues that can help you identify why it is malfunctioning Keep the following questions in mind m m Which part of the system is not operating properly keyboard diskette drives hard disk drive printer display Each device produces different symptoms Is the operating system configuration set properly Check the configuration options What appears on the display screen Does it display any messages or random characters Print a copy of the screen if you have a printer attached Look up the messages in the software and operating system documentation Check that all connecting cables are c
106. hould problems occur following the procedures in this chapter can help to determine the cause All readers should become familiar with this chapter Knowing what might go wrong can help prevent problems from occurring Problem Solving Process Resolving problems will be much easier if you observe the following guidelines Stop immediately when you recognize a problem exists Further action may result in data loss or damage You may destroy valuable problem related information that can help solve the problem Ll Observe what is happening Write down what the system is doing and what actions you performed immediately before the problem occurred If you have a printer attached print a copy of the screen using PrtSc Ll Isolate the problem Using the tools available to you such as the troubleshooting tips in this chapter and the diagnostic test program TDIAGS try to discover the specific actions that caused the problem The questions and procedures offered in this chapter are meant as a guide they are not definitive problem solving techniques Many problems can be solved simply but a few may require help from your dealer If you find you need to consult your dealer or others be prepared to describe the problem in as much detail as possible Preliminary Checklist Consider the simplest solution first The items in this checklist are easy to fix and yet can cause what appears to be a serious problem Make sure you turn on all perip
107. ials release of hydrogen and or oxygen or an increase in the battery s surface temperature 3 If the battery has leaked or been vented it should be replaced immediately Use protective gloves when handling a damaged battery 4 When it becomes necessary to replace the main battery it must be replaced only by an identical battery from the same manufacturer Only one battery can be installed in the T2150CD series at a time however if batteries for the computer are connected in series for other use it is recommended that all batteries be replaced at the same time 5 Reverse polarity should be avoided with all batteries The T2150CD series main battery is designed so that it cannot be installed in reverse polarity Charging the Batteries When the power in the battery pack becomes low the Battery LED flashes orange indicating that only a few minutes of battery power remain If you continue to use the computer while the Battery LED flashes the computer enables resume mode so you don t lose data and automatically turns off You must recharge a battery pack when it becomes discharged NOTE Once a battery pack is fully charged it is recommended that you operate the computer only on battery power until the battery pack completely discharges Doing so extends battery life and helps assure accurate monitoring of battery capacity Procedures To recharge a battery pack while it is installed in the computer connect the AC power cord to th
108. iba portable computers comply with Class B computing device regulations real mode A microprocessor mode that supports up to 1MB of memory and can only run one program at a time restart Resetting a computer without turning it off also called warm boot or soft reset To restart the computer press Ctrl Alt Del while the computer is on See also boot RGB Red green and blue A device that uses three input signals each activating an electron gun for a primary additive color red green and blue or port for using such a device See also CRT RJ11 A modular telephone jack ROM Read Only Memory A non volatile memory chip manufactured to contain information that controls the computer s basic operation You cannot access or change information stored in ROM RS 232 C The Electronic Industries Association EIA interface standard that describes the 25 pin connector interface and control data and status signals that allow asynchronous communications between computers printers communications and other peripheral devices RTS Request to send An RS 232 C signal used in the exchange of data between the computer and a serial printer or modem S SD Send data An RS 232 C signal used in the exchange of data between the computer and a printer or modem serial The handling of data bits one after the other serial communications A communications technique that uses as few as two interconnecting wires
109. icates to the computer that the printer or modem is ready to receive information DTE Data Terminal Equipment The RS 232 C signals DTE and DCE indicate or FJ whether the specific equipment transmits on pin 2 and receives on pin 3 DT transmits on pin 3 and receives on pin 2 DCE See DCE DTMF Dual Tone Multi frequency An RS 232 C signal See also touch tone dialing DTR Data Terminal Ready An RS 232 C signal that indicates to the printer or modem that the computer is ready for operation duplex A parameter describing how two devices communicate In half duplex the two devices can both send and receive but not at the same time In full duplex each device can send and receive at the same tim E echo To send back a reflection of the transmitted data to the sending device You can display the information on the screen or output it to the printer or both When a computer receives back data it transmitted to a CRT or other peripheral device and then retransmits the data to printer the printer is said to echo the CRT EGA Enhanced Graphics Adapter A video display protocol defined by the IBM Enhanced Graphics Adapter and its associated circuitry for direct drive TTL displays that supports 16 color monochrome 640x350 and 16 color 640x200 and 320x200 graphics and 16 color 640x350 and 320x350 text modes EIA Electronic Industries Association A trade association that publ
110. ich version s of LIM EMS it supports Ll Your CONFIG SYS file must contain the HIMEM SYS extended memory driver and the expanded memory driver EMM386 EXE These programs control drive access to expanded memory The following is an example of a CONFIG SYS file with the extended memory driver in the fourth line and the expanded memory driver in the fifth line buffers 30 files 30 device c dos setver exe device c dos himem sys device c dos emm386 exe dos high LIM EMS and Optional Additional Memory T2150CD series computers come with 4096KB or 8192KB of RAM memory If you plan to use large spreadsheets or process complicated graphics you may want to expand the computer s memory capacity by installing optional memory cards Refer to Chapter 12 Optional Devices for more information about these cards RAMDRIVE You can further enhance the performance of your computer by creating an MS DOS RAMDRIVE which simulates a physical disk using RAM With no moving parts a RAMDRIVE is much faster than a diskette or hard disk and it saves battery power Loading programs or frequently accessed data files into a RAMDRIVE speeds up your software The MS DOS RAMDRIVE feature lets you create a RAM disk from 4KB up to the total amount of available memory RAMDRIVES are supported by the AutoResume feature A RAMDRIVE is volatile So you must save data in it to a diskette or hard disk before you turn off or reset your computer Enabling the
111. ick for use with games or other specialized software Use this Centronics compatible 25 pin parallel port to connect a parallel printer or other parallel device It replaces the computer s parallel port This 15 pin port lets you connect an external video monitor Note that the AutoResume feature is effective with an external monitor Use this 9 pin port to connect serial devices such as an external modem serial mouse or serial printer It replaces the computer s serial port A standard 3 5 mm mini line in jack enables connection of a stereo device for audio input A standard 3 5 mm mini line out jack enables connection of a stereo device for audio output PS 2 keyboard Use this port to connect a PS 2 keyboard pskeyprt bmp PS 2 mouse Use this port to connect a PS 2 compatible pointing device Ground The ground screw is used to attach a grounding cable to protect the computer against a telephone line power ground bmp surge when a card modem is installed Security lock slot This slot lets you attach a security cable to the port replicator to deter theft Attach one end of the cable lookslt bmp to the port replicator and the other end to a desk or other large object Right Side Refer to Figure 12 8 for the location of items on the port replicator s right side External diskette drive An external 3 1 2 diskette drive accommodates both 1 44MB double sided high densi
112. ile A file that can be executed from the system prompt containing a sequence of operating system commands or executable files S also AUTOEXEC BAT baud baud rate Rate of character transmission over communication devices such as printers terminals and modems In standard usage one baud is equivalent to approximately one bit per second It is named for Emil Baudot a pioneer in printing telegraphy Bell 103 212A The American standard for modem operations See also CCITT binary The base two number system composed of zeros and ones off or on used by most digital computers The rightmost digit of a binary number has a value of 1 the next a value of 2 then 4 8 16 and so on For example the binary number 101 has a value of 5 See also ASCII BIOS Basic Input Output System The firmware that controls data flow within the computer See also firmware bit Derived from Obinary digit the basic unit of information used by the computer It is either zero or one Eight bits is one byte See also byte board A circuit board An internal card containing electronic components called chips which perform a specific function or increase the capabilities of the system boot Short for bootstrap A program that starts or restarts the computer The program reads instructions from a storage device into the computer s memory bps Bits per second Typically used to describe the data transmission speed
113. ishes technical standards related to the electronics industry emulation A technique where a piece of hardware acts like another devic erase See delete escape 1 A code ASCII code 27 signaling the computer that what follows are commands used with peripheral devices such as printers and modems 2 A means of aborting the task currently in progress escape guard time A time before and after an escape code is sent to the modem which distinguishes between escapes that are part of the transmitted data and escapes that are intended as a command to the modem execute To interpret and execute instruction expanded memory emory in addition to the 640 kilobytes of conventional memory managed by MS DOS that is mapped to a 64 kilobyte window between 640 kilobytes and 1 megabyte on the memory map This memory is managed in accordance with the Expanded Memory Specification standard jointly developed by Lotus Intel and Microsoft called LIM EMS extended memory Memory in addition to the 640 kilobytes of conventional memory managed by MS DOS that is mapped beyond 1 megabyte on the memory map F file A collection of related information a file can contain data programs or both firmware A set of instructions built into the hardware which control and direct a microprocessor s activities fixed disk See hard disk floppy disk A small flexible disk that stores magnetically encoded
114. ive port 4 Press the release latches on either side of the connector attached to the diskette drive and pull out the connector Opening the Display The display panel can be rotated in a wide range of viewing angles for optimal viewing Face the front of the computer and press the display latch 03 05 bimp Figure 3 5 Opening the display 2 Lift the panel up and adjust it to the best viewing angle for you Turning on the Power To start your computer follow the steps below 1 Make sure the CD ROM drive and external 3 1 2 diskette drive are empty If a diskette is in the drive press the eject button and remove the disk 2 Press and hold the computer s power button for two or three seconds 03 06 imp Figure 3 6 Turning on the power 3 When you turn on the power for the first time the following message will be displayed CAUTION MS DOS 6 22 and Microsoft Windows for Workgroups 3 11 are preinstalled on your hard disk The first thing you should do with your computer is make backup diskettes of the MS DOS 6 22 and Microsoft Windows for Workgroups software installed on your hard disk It is important that you make backup diskettes before you begin loading application software Should any MS DOS or Microsoft Windows for Workgroups files be damaged you will need to restore them from backup diskettes For making backup diskettes you must make Toshiba Companion Utility diskette Refer to your documentation for
115. ize T2150CDT Weight Size Environmental Requirements Conditions Ambient Temperature Operating 5 C 41 F to 35 C 95 F Non operating 10 C 23 F to 65 C 149 F Thermal gradient 20 C per hour maximum Wet bulb temperature 26 C maximum 3 4 kilograms 7 5 pounds including battery 299 x 53 x 226 millimeters 11 8 x 2 1 x 8 9 inches 3 4 kilograms 7 5 pounds including battery 299 x 53 x 226 millimeters 11 8 x 2 1 x 8 9 inches Relative Humidity 20 to 80 10 to 90 Conditions Altitude from sea level Operating 0 to 3 000 meters 0 to 10 000 feet Non operating O to 10 000 meters 0 to 30 000 feet maximum Power Requirements AC power 115 240 volts AC 50 or 60 hertz cycles per second Processor Built in Memory Built in Optional Disks Built in hard disk External diskette drive CD ROM drive Display Built in Keyboard microprocessor SL Enhanced Intel DX4 75MHz 3 3V T2150CDS 4MB of system memory T2150CDT 8 MB of system memory Expanded memory can be configured as a RAM disk 4MB 8MB 16MB 24MB memory cards support LIM EMS expanded memory or extended RAM 520 million bytes 500 MB 14 millisecond average access time 3 1 2 1 44 megabyte or 720 kilobyte double speed 540 MB compact disk read only memory The drive supports the following formats Audio CD Photo CD e ISO 9660 T2150CDS color LCD supertwist nematic STN color display
116. k Drive Refer to Chapter 5 Disks and Disk Drives and Chapter 11 Setup and Password Security for more informtion Problem Computer does not boot from hard drive Slow performance or disk errors CD ROM Drive Procedure Insert a system diskette refer to Chapter 5 Disks and Disk Drives and reboot There may be a problem with your operating system files Refer to your Windows and DOS documentation Your files may be fragmented Run SCANDISK to check the condition of your files and disk Refer to your MS DOS documentation or on line HELP for information on running SCANDISK and the defragmenter Run the diagnostic test Write down any reported errors If TDIAGS does not report any errors and you have exhausted every troubleshooting possibility make sure you have backed up all your files As a last resort reformat the hard disk Then reload the operating system and other files If problems persist contact your dealer For more information refer to Chapter 5 Disks and Disk Drives Problem You cannot access a CD in the drive Procedure Make sure the drive s drawer is securely closed Press gently until it clicks into place Open the drawer and make sure the CD is properly seated It should lie flat with the label facing up A foreign object in the drawer could block laser light from reading the CD Make sure there in no obstruction Remove any foreign object Check whether the CD is dirty If necessary
117. l mouse refer to Connecting a serial mouse in the section Interfacing for serial devices later in this chapter PS 2 Keyboard Use the PS 2 keyboard port on the computer or optional port replicator to connect a PS 2 keyboard See the Port replicator section in this chapter for directions on connecting the port replicator To connect a PS 2 keyboard Tum the computer off 2 Plug the PS 2 keyboard connector into the PS 2 keyboard port on the computer or port replicator 3 Before turning on the computer connect the keyboard to the port replicator pressing gently to assure a firm connection If you connect the keyboard while the computer is on you will have to reboot for the computer to recognize the keyboard connection NOTE When an external keyboard is connected the internal keyboard is disabled To disconnect the keyboard turn off the computer and pull out the keyboard connector International Keyboards Eight international keyboards are available for the T2150CD series computers The 82 key U S English keyboard must be replaced with an 84 key keyboard in order to fit the international key cap sets If you have the 84 key U K English keyboard only new key caps are necessary To replace a key cap grip the cap with the supplied key cap remover and pull straight up as shown in the following figure Next squarely place the new key cap on the proper connector and firmly press it until the cap snaps into place 12 15 bmp
118. lay at a comfortable viewing angle 02 06 bmp Figure 2 6 The front with the display open Display screen Display hinge Speaker Microphone AccuPoint The LCD displays high contrast text and graphics and is compatible with the industry standard Video Graphics Array VGA The LCD consists of up to 640 x 480 pixels or dots forming 80 columns of 25 lines of characters in text mode The T2150CDS displays full color on an STN screen and the T2150CDT displays full color on a TFT screen Refer to Chapter 8 Display Panel The display hinge holds the display screen at easy to view angles The speaker transmits audio commands from your software and signals alarms such as low battery conditions A built in microphone lets you record sounds into your applications See Using microphone in Chapter 4 Operating Basics A pointer control device located in the center of the keyboard is used to control the on screen pointer Refer to the Using AccuPointsection in Chapter 4 AccuPoint control buttons Indicator panel Indicator Panel Operating Basics Control buttons below the keyboard let you select menu items or manipulate text and graphics designated by the on screen pointer The indicator panel provides icons for monitoring the status of various computer functions Details are given in the next section Figure 2 7 shows the indicator panel lights which light when various computer operations are in progress 02
119. ld occur Wait for completion of the data transfer 2 While running a DOS session under Windows the screen will be blanked If you do press Fn F5 in a DOS session type exit to return to Windows Chapter 9 Memory Optimal memory configuration can greatly enhance the performance of your computer The T2150CD series computers provide several tools for customizing memory configuration to best suit your software and system This chapter introduces memory concepts and explains how to configure memory and how to create and use various memory devices such as RAMDRIVEs Types of Memory The computer uses two types of physical memory components Read Only Memory ROM and Random Access Memory RAM The term memory refers to RAM unless specified otherwise ROM ROM is non volatile read only memory This means the data in ROM is not deleted when the computer is turned off and it cannot be changed written to The data can only be read The computer contains 128KB of ROM including 64KB of ROM for the Basic Input Output System BIOS which contains start up instructions and 40KB of video BIOS ROM which controls display operation ROM provides permanent storage for the BIOS and the instructions that start the computer the bootstrap leader This data is permanently stored and does not require power to be retained RAM RAM is volatile read write memory This means the data in RAM is deleted when you turn off the computer Th
120. lities preloaded on hard disk Appendix B ASCII Character Codes Appendix B shows the American Standard Code for Information Interchange ASCII on the following pages The characters in the CHAR column appear on your display when you type the corresponding ASCII code as described in Chapter 6 The Keyboard The characters that are printed however depend on the software you are using For most software the printed output for decimal codes 32 to 128 will match your screen display DEC HEX IBM SORT CTRL CODE CODE CHAR SEQ CHAR 000 00 0 NUL 001 01 1 SOH 002 02 8 2 STX 003 03 E 3 ETX 004 04 4 4 EOT 005 05 n 5 ENQ 006 06 6 ACK 007 07 7 BEL 008 08 e 8 BS 009 09 o 9 HT 010 0A o 10 LF 011 0B 3 11 VT 012 0C g 12 FF 013 0D 13 CR 014 0E 14 so 015 OF x 15 SI 016 10 gt 16 DLE 017 11 E 17 DCI 018 12 T 18 DC2 019 13 I 19 DC3 020 14 fl N DC4 NAK 21 15 16 17 18 19 1A 1B 1C 021 022 023 024 025 026 027 028 SYN 22 23 CAN 24 25 SUB ESC FS 26 27 28 GS 29 1D 029 RS 30 1E 030 US 31 1F 20 21 031 32 33 34 35 36 37 032 033 22 23 034 035 24 25 036 037 038 38 26 39 40 4 27 039 040 041 28 29 42 2A 2B 2C 2D 2E 2F 30 31 042 043 43 44 45 044 045 46 046 047 048 47 48 49 049 050 50 32 51 33 34 35 36 37 051 052 053 054 055
121. mal keyboard operation But you can generate these characters using their ASCII codes With the overlay on 1 Hold down Alt 2 Using the overlay keys type the ASCII code 3 Release Alt and the ASCII character appears on the display screen With the overlay off 1 Hold Fn Alt 2 Using the overlay keys type the ASCII code 3 Release Fn Alt and the ASCII character appears on the display screen A list of ASCII characters with their codes is in Appendix B Chapter 7 Power The computer s power resources include the AC power cord and internal batteries This chapter gives details on making the most effective use of these resources including charging and changing batteries tips for saving battery power and power up modes in DOS and Windows Power Conditions The computer s operating capability and battery charge status are affected by the power conditions whether an AC power cord is connected whether a battery is installed and what the charge level is for the battery AC cord connected Table 7 1 Power conditions Battery fully charged Battery partially charged or no charge Power on bmernbullet bmp Operates bmernbullet bmp Trickle charge bmernbullet bmp LED Battery green AC IN green bmernbullet bmp Operates bmcrnbullet bmp Trickle charge bmernbullet bmp LED Battery off AC IN green Power off no operation Trickle charge LED Battery green AC IN
122. ndard 8086 processor range of memory using real physical addresses hence the name real mode In real mode an application can have complete access to the entire address space within the 1MB range but it cannot access memory above IMB Protected Mode Protected Mode was introduced with the 80286 microprocessor The primary advantage of protected mode is its ability to let the processor directly access all available memory In protected mode all the instructions and architectural features are available to the microprocessor so all applications have access to the full range of extended memory Another benefit of protected mode is the processor s ability to allocate a predetermined amount of memory to different applications and switch among them multi tasking The processor is responsible for protecting each of the applications in the system from one another Virtual 8086 Mode This mode taps the real power of the DX4 processor Virtual 8086 mode allows the DX4 processor to emulate real mode and still switch to and from protected mode The processor can load and execute real mode applications in virtual 8086 mode then switch to protected mode and load and execute another application that requires access to the full extended memory available The microprocessor together with a control program such as Windows assumes the responsibility of protecting applications from one another Chapter 10 Toshiba Utilities and Drivers Toshiba
123. ng and unloading CDs refer to Chapter 4 Operating Basics CD Care Handle your diskettes with care The following simple precautions will increase the lifetime of your diskettes and protect the data you store on them 1 Store your CDs in the container they came in to protect them and keep them clean 2 Do not bend the CD or mar its surface 3 Hold the CD by it outside edge or the edge on the center hole Fingerprints on the surface may prevent the drive from properly reading data 4 Donotexpose to to direct sunlight extreme heat or cold Do not place heavy objects on your CDs 5 If your CDs become dusty or dirty wipe them with a clean dry cloth Wipe from the center out do not wipe in a circular direction around the CD If necessary use a cloth dampened in water or a neutral cleaner Do not use benzine thinner or similar cleaner 3 1 2 External Diskette Drive The external 3 1 2 diskette drive is useful for installing software on the HDD and exchanging information with other systems Refer to Chapter 3 Getting Started for information on connecting the 3 1 2 diskette drive 3 1 2 Diskettes Two views of a 3 1 2 diskette permanently enclosed in its plastic jacket are shown in figure 5 1 An arrow directing the way to insert the diskette is on one side and a metal hub allowing the diskette drive to spin the diskette is on the other side When inserted in a drive a diskette spins in its jacket and its metal protective co
124. ng up preinstalled software Installing application software Setting up Windows DOGO oo eB oo D Turning off the power Restarting the computer If you are a new user follow the steps in this chapter as you prepare to operate your T2150CD series computer C If you are an experienced user read the section on backing up your preinstalled software Use the backup feature of the Toshiba Companion Utility not MS DOS to make the backup diskettes Also glance over the rest of the chapter for any material that might be new to you CAUTION Do not fail to make backup diskettes of the preinstalled software before you begin installing applications or working with your computer If a file should become damaged you will need the backup diskettes to restore the software Setting Up Establishing a comfortable work site is important for you and your computer A poor work environment or stressful work habits can result in discomfort or serious injury from repetitive strain to your hands wrists or other joints Proper ambient conditions should also be maintained for the computer s operation This section discusses the following topics Oooo oO General conditions Placement of the computer and peripheral devices Seating and posture Lighting Work habits General Conditions In general if you are comfortable so is your computer but read the following to make sure your work site provides a proper environment Q Q m Oooo do
125. njury from repetitive strain is to vary your activities If possible schedule a variety of tasks into your work day If you must spend long periods at the computer finding ways to break up the routine can reduce stress and improve your efficiency Ll Sit ina relaxed posture Good positioning of your chair and equipment as described earlier can reduce tension in your shoulders or neck and ease back strain Vary your posture frequently Occasionally stand up and stretch or exercise briefly Exercise and stretch your wrists and hands a number of times during the day E oO L L Frequently look away from the computer and focus your eyes on a distant object for several seconds for example 30 seconds every 15 minutes m Take frequent short breaks instead of one or two long breaks for example two or three minutes every half hour Have your eyes examined regularly and visit a doctor promptly if you suspect you might be suffering from a repetitive strain injury A number of books are available on ergonomics and repetitive strain injury or repetitive stress syndrome For more information on these topics or for pointers on exercises for such stress points as hands and wrists please check with your library or book vendor Connecting Power Cord T2150CD series computers are equipped with build in converter circuits that eliminate the need for an external AC adapter Simply connect the supplied power cord to the computer and a power sour
126. not have enough available space for the data you want to save your operating system will alert you Also refer to Chapter 5 Disks and Disk Drives for more information Problem Cannot write to diskette Data is corrupted Procedure Check the write protect tab to make sure the diskette is not write protected Check the path to make sure the computer is trying to write to the correct drive Try another diskette If the computer cannot write to other diskettes you may have a drive problem Refer to the Diskette drive section above If you can access the diskette check your software documentation for file recovery procedures It is common for software to automatically create backup files If your main file is damaged you can often rename and use the backup file You may be able to recover lost data by using The Undelete uitlity in Windows of by using another utility software Refer to your Windows documentation Diskette error Run SCANDISK to check the condition of your files and disk Refer to your MS DOS documentation or on line HELP for information on running SCANDISK and the defragmenter RAMDRIVE You can use part of your computer s memory for a RAMDRIVE therefore RAMDRIVE problems could be memory related For more information refer to Chapter 9 Memory and to your MS DOS documentation Problem Procedure RAMDRIVE doesn t function Make sure your CONFIG SYS file is in the root directory of drive C and that it
127. not have to type F 5 Press Enter and the following message will be displayed Insert backup diskette 01 in drive A WARNING Files in the target drive A N root directory will be erased Press any key to continue 6 Remove the Companion Utility diskette insert a blank diskette and press any key The following message will be displayed Backing up files to drive A Diskette Number 01 Continue following the on screen prompts until backup is completed NOTE Be sure to label each diskette used for backup in order from first to last You will need to use the diskettes in the correct order if you have to restore the files Push up the write protect tab on the back of the diskette so that you can see through the hole Make sure it snaps securely into place Store your backup diskettes in a safe place For more information on labeling and write protecting your diskettes see Chapter 5 Disks and Disk Drives Restoring Backed Up Files If your preinstalled files should become damaged use RESTORE to copy backup files to your hard disk To use the RESTORE command connect the external diskette drive if it is not already connected and follow the steps below 1 Insert the Toshiba Companion Utility diskette into the diskette drive 2 At the C gt prompt type A RESTORE A C S 3 Press Enter and the following message will be displayed Insert backup diskette 01 in drive A Press any key to continue Follow the on scr
128. ns are off If you turn off the power while a disk is being accessed you can lose data or damage the disk 4 Press and hold the computer s power button until the Power Speed icon goes off 5 Turn off the power to any peripheral devices CAUTION Do not turn the computer or devices back on immediately Wait a moment to let all capacitors fully discharge Restarting the Computer Certain conditions require that you reset the system For example if Ll You change the contents of your CONFIG SYS file O An error occurs and the computer does not respond to your keyboard commands There are three ways to reset the computer system Turn the power off wait 10 to 15 seconds then turn the power on again by pressing the power button This method works only when the computer is in boot mode 2 If the computer is already on press Ctrl Alt Del 3 If you re experiencing a problem with a software application and the computer does not accept keyboard input press the reset button NOTE If you press the reset button in resume mode the following message is displayed WARNING RESUME FAILURE PRESS ANY KEY TO CONTINUE Press any key to restart the system In boot mode each of these methods erases all programs and data in RAM In resume mode only the second and third methods clear the contents of RAM Chapter 4 Operating Basics This chapter gives details on basic operations including accessing disk drives charging the batte
129. oft key settings are not restored by the AutoResume feature Emulating Keys on Enhanced Keyboard 06 01 bmg Figure 6 1 A 101 key enhanced keyboard layout The T2150CDS Series keyboard is designed to provide all the features of a 101 key enhanced keyboard The 101 102 key enhanced keyboard has a numeric keypad and scroll lock key It also has additional Enter Ctrl and Alt keys to the right of the main keyboard Since the T2150CDS Series keyboard is smaller and has fewer keys some of the enhanced keyboard functions must be simulated using two keys instead of one on the larger keyboard Your software may require you to use keys that the keyboard does not have Pressing the Fn key and one of the following keys simulates the enhanced keyboard s functions fnf10 11 bmp Press Fn F10 arrow mode or Fn F11 NumLock to access the integrated keypad When activated the light gray keys with white numbers can be used for cursor control or numeric data entry Refer to the Keypad overlay section in this chapter for more information on how to operate these keys The power on default for both settings is off fnf12 bmp Press Fn F12 ScrLock to lock the cursor on a specific line In MS DOS this has no e amp i E a a o 3 amp ch E o fnenter bmp Press Fn Enter to simulate Enter on the enhanced keyboard s numeric keypad fnctri bmp Press Fn Ctrl to simulate the enhanced keyboard s right Ctrl key fnalt bmp
130. ompatible 9 pin D type connector on the computer end and a 25 pin connector on the printer end Your printer manual should tell you if non standard writing is required To decide how to set the serial communications parameters find out what the preset settings are for your printer Compare these settings with those for the computer If you plan to connect other serial devices you may want to compare their requirements as well You can usually configure your computer to be compatible with your printer by using the printer s documentation Also the MODE command lets you set up the computer s parameters Whichever method you choose the computer and printer settings must be compatible More information about attaching a serial printer and using the MODE command is contained in the MS DOS documentation Connecting a Serial Mouse You can use any serial mouse with the computer A serial mouse requires only software and a physical connection to the computer To connect a mouse to the computer you need a cable with a 9 pin connector to attach to the computer s serial port If the mouse s cable is not compatible see your dealer for a cable adapter The mouse has a driver program that you must add to your CONFIG S YS or AUTOEXEC BAT file Refer to the mouse s manual for information on the driver program and on proper serial port settings Chapter 13 Troubleshooting Toshiba designed the T2150CD series computers for durability However s
131. omputer in AutoResume mode To start the computer in AutoResume mode follow the steps below 1 Turn on any peripheral devices connected to the computer 2 Press the power switch and hold it down until the Power Speed icon goes out The display will show the same screen that appeared when you turned off the power If you experience any difficulties with AutoResume refer to the sections AutoResume precautions and AutoResume error conditions which follow in this chapter Automatic Enabling of AutoResume The system automatically shuts down if the battery pack becomes completely discharged and the AC power cord is not supplying power When this occurs the computer first enables AutoResume if you haven t already enabled it through TSETUP or hotkey entry Fn F3 Follow the steps below to recover from an automatic shutdown 1 Replace the battery pack or plug in the AC power cord 2 Waitafew moments before you turn the power on again If the backup battery did not completely discharge the system operates as if it were not shut down CAUTION If you are unable to replace the battery pack or connect the AC power cord to the system before the backup battery completely discharges your data is lost Remember these points when using AutoResume Do not tum the power off if the Disk icon is on Ll Do not remove the battery pack while the computer is on unless the AC power cord is powering the computer If you do the screen clears p
132. on to select interlace or non interlace mode for an external monitor Interlace selects interlace mode This is the default Non Interlace selects non interlace mode LCD Display Colors This option indicates the color palette of the internal display when the LCD mode is set to Color T2150CDT TFT display 256K Colors Displays 256 colors out of 262 144 colors This value cannot be changed T2150CDS STN display 222K Colors Displays 256 colors out of 24 576 colors 4096 Colors Displays 256 colors out of 4096 colors NOTE If the STN screen flickers an LCD Display Colors setting of 222K Colors select 4096 Colors Power On Display This option is used to select the display when booting up Internal External Selects an external CRT if one is connected otherwise it selects the internal LCD This is the default Simultaneous Selects both the internal LCD and the external CRT for simultaneous display NOTE When starting the computer in Resume mode the last configuration is remembered If data does not appear on the display you are using after starting in Resume mode press Fn 4 F5 Text Mode Stretch Text mode stretch enables a larger display area of 680 x 480 pixels in text mode Disabling this function reduces the standard resolution of 640 x 400 pixels Enabled enables the text mode stretch feature This is the default Disabled disables the text mode stretch feature Battery These options let you set bat
133. orrectly and firmly attached Loose cables can cause erroneous or intermittent signals Do any icons light Which ones What color are they Do they stay on or blink Write down what you see Do you hear any beeps How many Are they long or short Are they high pitched or low Is the computer making any unusual noises Write down what you hear Record your observations so you can describe them to your dealer Software The problems may be caused by your software or diskette If you cannot load a software package the media usually a diskette may be damaged or the program might be corrupted Try loading another copy of the software If an error message appears while you are using a software package check the software documentation These documents usually include a problem solving section or a summary of error messages Next check any error messages in the MS DOS documentation Hardware If you cannot find a software problem check your hardware First run through the items in the preliminary checklist above If you still cannot correct the problem try to identify the source The next section provides checklists for individual components and peripherals Hardware and System Checklist This section discusses problems caused by your computer s hardware or attached peripherals Basic problems may occur in the following areas System start up Self test Power source Password Hotkeys Keyboard LCD panel Hard disk drive CD
134. ouble speed internal CD ROM drive lets you run 12 cm and 8 cm CD ROMs It supports the following formats Audio CD Photo CD e ISO 9660 3 1 2 external diskette drive The external 3 1 2 diskette drive stores 1 44MB of data on a diskette It can also read and write diskettes formatted to store only 720KB RAMDRIVE The T2150CD series computers support RAMDRIVE a type of RAM Disk For more information about RAMDRIVE refer to Chapter 9 Memory Hard Disk Drive The internal 2 1 2 hard disk provides high speed long term storage for programs and data The computer s internal hard disk combines high storage capacity with very rapid access to your data You cannot write protect the hard disk You can allocate separate areas of the HDD to different operating systems The HDD can support up to four different operating systems The area allocated to an operating system is called a partition Each partition must be set up by the corresponding operating system MS DOS uses the FDISK command to create its partition The MS DOS documentation explains how to create directories and subdirectories within the partition Directories and subdirectories help organize your work CD ROM Drive The computer s internal CD ROM drive accommodates either 12 4 727 cm or 8 cm 3 15 CDs It provides high performance double speed play reads 300KB per second The computer uses an ATAPI interface controller for CD ROM operation For directions on loadi
135. ow overlay To turn on the numeric mode and press Fn F11 the Numeric mode icon lights Now try numeric data entry Arithmetic functions are also available for calculations as indicated by the white marking on the keys To turn off the numeric keypad press Fn F11 again The keyboard returns to normal operation Arrow Mode To turn on the arrow mode and press Fn F10 the Arrow mode icon lights Now try cursor and page control To turn off the numeric keypad press Fn F10 again The keyboard returns to normal operation Temporary Access You can temporarily access and exit either the numeric or cursor overlay without turning it off by pressing the Fn key For more information on using the overlay functions see Chapter 6 The Keyboard Adjusting T2150CDS Display A dial on the right side of the display screen lets you adjust the contrast of the LCD display This feature is only on the T2150CDS 13 1 bmp Figure 4 10 The display s contrast dial Cleaning the Computer To help assure long trouble free operation keep the computer free of dust and use care with liquids around the computer Be careful not to spill liquids into the computer If the computer does get wet turn the power off immediately and let the computer dry completely before you turn it on again Ll Clean the computer using a slightly damp with water cloth You can use glass cleaner on the display Spray a small amount of cleaner on a soft cl
136. ower turns off AutoResume fails and data in memory is lost Ll Do not turn power off while a printer modem or serial device is connected and in operation Ll AutoResume may not work properly if you run programs that do not use the computer s Basic Input Output System BIOS For example some game programs bypass the computer s BIOS AutoResume Error Conditions If a problem occurs with AutoResume the following message appears when you turn the computer on WARNING RESUME FAILURE PRESS ANY KEY TO CONTINUE Press any key to restart the system The computer reinitializes RAM and resets all soft keys The resume failure message may be caused by one or more of these conditions Ll The backup battery and the battery pack are completely discharged and the system is not receiving power through the AC power cord m You turned off the power while the system was accessing a disk drive Ll You removed the battery pack while operating the computer without the AC power cord connected Ll You turned off the power while the system was sending or receiving data through a serial port Ll You re running a program that does not use the T2150CD series computer s BIOS Panel Power On Off You can set up your T2150CD series computer so that power turns on automatically when you open the display panel and turns off when you close it Refer to Chapter 11 Setup and Password Security for an explanation of how to enable this convenient
137. pendix C Keyboard Layouts There are five types of keyboard keys light gray keys function keys dark gray keys soft keys and overlay keys for keypad entry and cursor control Light Gray Keys The light gray keys like standard typewriter keys produce the upper and lower case letters numbers punctuation marks and special symbols that appear on the screen There are some differences however between using a typewriter and using a computer keyboard Ll Letters and numbers produced in computer text vary in width Spaces which are created by a space character may also vary depending on line justification and other factors The lowercase L 1 and the number 1 are not interchangeable on computers as they are on a typewriter m The uppercase O o and the zero 0 are not interchangeable The Caps Lock function key locks only the alphabetic characters in uppercase while the shift lock on a typewriter places all keys in the shifted position The Shift keys the Tab key and the BkSp backspace key perform the same function as their typewriter counterparts but also have special computer functions as described in the following sections F1 F12 Function Keys The function keys not to be confused with Fn are the 12 keys at the top of your keyboard These keys are dark gray but function differently from the other dark gray keys F1 through F12 are called function keys because they execute programmed function
138. pes for the U S A and Canada the United Kingdom Australia and Europe USA and Canada usacan bmp United Kingdom ukpovwer bmp Australia auslia bmp Europe euro bmp Glossary The terms in this glossary cover the topics discussed in this manual Alternate naming is included for reference Abbreviations AC alternating current ANSI American National Standards Institute APM advanced power manager ASCII American Standard Code for Information Interchange BIOS basic input output system CCITT Consultive Committee International Telegraph and Telephone CGA color graphics adapter CMOS complementary metal oxide semiconductor CPU central processing unit CRT cathode ray tube Dc direct current DOS disk operating system ECP enhanced capability port EGA enhanced graphics adapter EIA Electronic Industries Association FDD floppy disk drive HDD hard disk drive HMA high memory area I O input output KB kilobyte LCD liquid crystal display LED light emitting diode LIM EMS Lotus Intel Microsoft Expanded Memory Specification LSI large scale integration MDA monochrome display adapter MS DOS Microsoft Disk Operating System OCR optical character recognition reader PCB printed circuit board PCMCIA Personal Computer Memory Card International Association RAM random access memory RFI radio frequency interference RGB red green and blue ROM read only memory
139. port high resolution video graphics And they are composed of up to 640 horizontal and 480 vertical pixels dots which render 25 lines of standard text 80 characters wide The screens can be set at a wide range of viewing for maximum comfort and readability T2150CDS has a 10 4 full color advanced Supertwist Nematic STN LCD panel T2150CDT has a 10 4 full color Thin Film Transistor TFT LCD panel Sound system Parallel port Serial port External monitor port PS 2 keyboard port Port replicator port PCMCIA card slot Memory expansion socket Microphone speaker AccuPoint Hotkeys A Sound Blaster TMPro M compatible sound system gives your T2150CD series computer multimedia capability The sound system is equipped with microphone headphone and line in jacks and a volume control knob A Centronics compatible parallel interface port lets you connect a parallel printer or other parallel device This port supports the Enhanced Capability Port ECP standard A standard 9 pin serial port lets you connect such serial devices as a serial printer a mouse a bar code reader or an Optical Character Reader OCR wand The female 15 pin D shell connector lets you connect an external video display This port lets you connect a PS 2 keyboard to the computer This port enables connection of an optional port replicator which provides the ports available on the T2150CD series computer in addition to a PS
140. ports available on the portrep bmp portrep bmp CAUTION replicator which provides all the ports available on the computer as well as PS 2 mouse audio line out and joystick ports Keep foreign objects out of the port replicator port A pin or similar object can damage the computer s circuitry AC IN Parallel port prntport bmp Underside Attach a power cord to the AC IN socket and plug the cord into any wall outlet A built in converter eliminates the need for an external power adapter This Centronics compatible 25 pin parallel port is used to connect a parallel printer or other parallel device This port supports the Enhanced Capability Port ECP standard Figure 2 5 shows the underside of the computer Make sure the display is closed before turning over your computer 02 05 rigs Figure 2 5 The underside of the T2150CD series computer Port replicator notches Expansion memory socket Notches are available to secure the port replicator in place Use this socket to install a Small Outline SIMM Single In line Memory Module to increase your computer s memory by 4 8 16 or 24MB It is protected by a cover Refer to the Memory expansion section in Chapter 12 Optional Devices Front With Display Open Figure 2 6 shows the front of the computer with the display open To open the display press the display latch and lift the display up Position the disp
141. pped with a local video bus for superior performance of your display The T2150CD series computers can display on both the internal LCD and external CRT at the same time You also have the option of displaying on the LCD only or on the CRT only The software utilities that come with the T2150CD series computer provide drivers that accelerate Windows graphics and improve performance for both the internal display and an external monitor Refer to Chapter 10 Toshiba Utilities and Drivers for information on installling the drivers Video RAM The T2150CD series provides IMB of RAM for video display Video Modes The video mode is controlled by the display controller which uses industry standard rules to govern the screen resolution and the maximum number of colors that can be displayed on screen These standard rules are called video modes Software written for a given video mode will run on any computer that supports the mode An application s video mode depends on the screen resolution required the number of colors used the font size and whether it runs in text or graphics mode The T2150CD series computers display controller supports all VGA and SVGA modes There are two basic types of video modes text mode and graphics mode Refer to the Selecting video mode section later in this chapter Text Mode In text mode each pel is called a character cell as illustrated below The display for each cell is limited to a predefined charact
142. r s Parallel port Insert the other end of the cable into the printer s parallel connector Fasten the connector to the printer with the clips on the parallel port Turn on the printer Turn on the computer Switch to the directory that contains your MS DOS files for example c DOS Type TSETUP and press Enter Select paraile1 port and the oprron subwindow will open to let you select the mode Set the mode to output Press End to accept the changes and reboot SYSTEM SETUP displays Save settings perform self test and reboot Y N Press Y The computer restarts and automatically recognizes the printer External Monitor An external analog monitor can be connected to the monitor port on the computer or optional port replicator To connect a monitor follow the steps below See the Port replicator section in this chapter for directions on connecting a port replicator NOTE The AutoResume feature can be used with an external monitor Simply enable AutoResume and the computer will maintain the data as it is displayed on the external monitor Tum the computer off 2 Connect the monitor to the external monitor port 3 Turn the monitor s power on 4 Turn the computer on The computer automatically recognizes the external monitor and sends output to it If you have selected simuitaneous under the pispiay options of the TSETUP program both the external monitor and the internal LCD will be active when you t
143. r a 2HD diskette to hold 720KB an error message is displayed Follow these steps to format a diskette from the system prompt 1 Switch to the directory containing the format command If you installed MS DOS in a directory named DOS type cd dos and press Enter 2 Depending on the type of diskette you are formatting type one of the following commands at the system prompt formata formats a 2HD diskette to hold 1 44MB format a s formats a 2HD diskette to hold 1 44MB and copies the MS DOS system files on it format a f 720 formats a 2DD diskette to hold 720KB format a f 720 s formats a 2DD diskette to hold 720KB and copies the MS DOS system files on it 3 Foreither a 2DD or a 2HD diskette the following message appears Insert new diskette for drive A and press ENTER when ready 4 Make sure your diskette is not write protected then insert it into the diskette drive and press Enter FORMAT displays its progress on your screen After formatting is complete FORMAT lists the actual number of bytes formatted and displays Format another Y N 5 Press Y if you want to format another diskette or N if you re done Press Enter CAUTION Formatting destroys all data on your disk Be careful when using the MS DOS FORMAT command For more about using the FORMAT command see your MS DOS documentation System Non System Disks As explained in the previous section disks can be formatted as either a syst
144. ransistor LCD uses transistors attached to each pixel to turn precisely selected red green and blue subpixels on or off and to adjust their brightness thereby providing a display with superior sharpness precise color definition and wide viewing angle Ll Pels are the smallest visual elements that can be controlled by software They may be either one pixel or a group of pixels The pel size determines the screen resolution clarity of detail the larger the pel the lower the resolution Display Controller The display controller is a hardware controller that formats information for the screen to display For example it interprets a software command to turn a particular pel on or off into hardware commands that address the specific pixels required to execute the software command The T2150CD series computers display controller is an advanced Video Graphics Array VGA that provides Super VGA SVGA support for the internal LCD and external monitors The LCD panel displays up to 640 horizontal and 480 vertical pixels which render 25 lines of standard text 80 characters wide The T2150CDT displays up to 64K colors and the T2150CDS displays up to 256 colors A high resolution external monitor connected to a T2150CD series computer can display up to 1024 horizontal and 768 vertical pixels and up to 64K colors The advanced display controller lets you run VGA compatible software which includes most popular software The T2150CD series is equi
145. rcuitry Left Side Figure 2 2 shows the computer s left side 02 02 imp Figure 2 2 The left side of the T2150CD series computer External 3 1 2 diskette drive port disktdrv bmp Power onbutton bmp PCMCIA card slot pomcia bmp This port lets you connect a 3 1 2 diskette drive for transferring data to or from removable diskettes The Disk icon on the indicator panel and diskette drive LED glow green when the drive is in use To eject a disk from the drive push the eject button A flap protects the drive when it s empty Refer to Chapter 5 Disks and Disk Drives Press the power button to turn the computer s power on and off A PCMCIA slot can accommodate two 5 mm PCMCIA cards Type II or one 10 5 mm PCMCIA pemcia bmp Microphone jack mikejack bmp Headphone jack speaker bmp Line in jack Volume control volctrl bmp Security lock lockslot bmp Right Side PCMCIA cards Type II or one 10 5 mm PCMCIA card Type III You can install any industry standard PCMCIA card such as a SCSI adapter Ethernet adapter or flash memory card A standard 3 5 mm mini line in jack enables connection of a monaural microphone or other device for audio input When you connect an external microphone the internal microphone is automatically disabled A standard 3 5 mm mini line in jack enables conn
146. ries using the keyboard s ten key pad overlay adjusting the display using AccuPoint and tips on caring for your T2150CD series computer Identifying Drives MS DOS and software programs identify disk drives by the letters A B C D E and so forth The computer s external 3 1 2 diskette drive is usually drive A The internal CD ROM drive is always drive D and the internal hard disk is always drive C If you partition your hard disk into more than one logical drive the first partition will be drive C If you are using a RAMDRIVE MS DOS assigns it the next available identifier after the identifiers for the hard disk for example drive E Accessing Drives When you boot your computer from drive C the screen displays the Windows environment To change drives you can use the Windows File Manager or press Alt F4 to go to the system prompt The MS DOS prompt indicates the current disk drive For example C gt You are now working in drive C To access other drives type the disk drive letter followed by a colon For example C gt A Press Enter MS DOS logs onto drive A usually the internal diskette drive and displays a new prompt If the drive does not contain a disk or if some other error occurs MS DOS displays an error message Using the Drive Identifier Many MS DOS command lines include drive identifiers A drive identifier tells MS DOS where to find or place a file For example if the MS DOS prompt is C
147. rite down everything that appears on screen 2 Press Ctrl Pause Break or Ctrl C to return to the diagnostics menu 3 Consult your dealer Display Tests Character Attributes After the System Memory tests end the Display tests begin with the Character attributes screen Make sure the line under the Message NEXT LINE SHOWS BLINKING DISPLAY is actually blinking After you press Enter the test screen appears If your display does not match the test screen write down the differences and contact your dealer If it does match press Enter to continue the display test Character sets There are two character set tests The first checks that the screen can display characters in a 40 column by 25 row format the characters are wider than normal If the display screen matches the first screen start the second character set test by pressing Enter If your screen doesn t match the diagnostic test display write down the differences and contact your dealer The second test checks that the screen can display characters in an 80 column by 25 row format If the display screen matches the test screen press Enter to start the next test If your screen doesn t match the diagnostic test display write down the differences and contact your dealer Graphics Capabilities This set of displays tests the screen s capabilities for each graphics mode During the test the resolution and mode number appear above an image representing
148. rrently using Refer to your MS DOS documentation for information on the PATH command Main Battery The T2150CD series computer provides easy procedures for charging the main battery and monitoring its status Charging the Battery The main battery charges when it is installed in the computer and the AC power cord is connected to the computer and a power outlet With the AC power cord connected as described in Chapter 3 Getting Started and the computer turned off it takes about 2 5 hours to bring a discharged battery up to full charge For details on charging and replacing the main battery see Chapter 7 Power and Power Up Modes Battery LED Check the Battery LED on the indicator panel to determine the status of the main battery The following lights indicate the battery status Flashing orange The battery charge is low The AC power cord must be connected to recharge the battery Orange Indicates the AC power cord is connected and the battery is being charged with the power off Green Indicates the AC power cord is connected and the battery is fully charged whether the power is on or off No light Under any other conditions the LED does not light Monitoring Battery Capacity Battery capacity can be monitored by the Pop up window when you are working in DOS or by MaxTime when you are in Windows Pop up Window The Pop up window contains a bar gauge that shows how much power remains in the main battery Press Fn F
149. s Character matrix pels 8x8 8x8 8x14 8x14 8 9 x 16 8 9 x 16 8x8 8x8 8 9 x 14 8 9 x 16 8x8 8x8 8x14 T2150CDT LCD colors 16 of 222Kt 16 of 222Kt 16 of 222Kt 16 of 222Kt 16 of 222Kt 16 of 222Kt 4 of 222Kt 2 of 222Kt Mono Mono 16 of 222Kt 16 of 222Kt Mono CRT colors 16 of 256K 16 of 256K 16 of 256K 16 of 256K 16 of 256K 16 of 256K 4 of 256K 2 of 256K Mono Mono 16 of 256K 16 of 256K Mono 60 Hz CRT vertical refresh rate 70 Hz 70 Hz 70 Hz 70 Hz 70 Hz 70 Hz 70 Hz 70 Hz 70 Hz 70 Hz 31 5 KHz CRT horizontal refresh rate 31 5KHz 31 5KHz 31 5KHz 31 5KHz 31 5KHz 31 5KHz 31 5KHz 31 5KHz 31 5KHz 31 5KHz 31 5KHz 31 5KHz 31 5KHz 10 11 12 13 20 22 24 30 32 34 40 41 78 VGA Grph VGA Grph VGA Grph VGA Grph SVGA Grph SVGA Grph SVGA Grph SVGA Grph SVGA Grph SVGA Grph SVGA Grph SVGA Grph SVGA Grph 640 x 350 Pels 640 x 480 Pels 640 x 480 Pels 320 x 200 Pels 640 x 480 Pels 800 x 600 Pels 1024 x 768 Pels 640 x 480 Pels 800 x 600 Pels 1024 x 768 Pels 640 x 480 Pels 640 x 480 Pels 640 x 400 Pels 8x14 8x16 8x16 8x8 8x16 8x8 8x16 8x16 8x16 8x16 8x16 8x16 8x16 16 of 222Kt 2 of 222K 16
150. s a feature of MS DOS operating system VGA Video graphics array is an industry standard video adapter that lets you run any popular software virtual 8086 mode A microprocessor mode introduced with the Intel 80386 processor that allows the computer to emulate multiple real mode processors 8086 and still switch to and from protected mode volatile memory Random access memory RAM that stores information as long as the computer is connected to a power source W warm start Restarting or resetting a computer without turning it off window A portion of the screen that can display its own application or document Often used to mean a Microsoft Windows window write protection A method for protecting a floppy disk diskette from accidental erasure
151. s almost instantaneous access to your data Unlike physical disks which must be spun like a phonograph record and searched for data no mechanical process is involved in retrieving data from a RAMDRIVE RAMDRIVES are formatted and used similarly to physical disks For information on RAMDRIVE refer to Chapter 9 Memory and to your MS DOS documentation Formatting Disks Diskette Drives and Hard Disk Drives HDD function like tape recorders reading writing and erasing magnetically encoded information Both types of disk drives have read write heads that are positioned across the disk surface to record and retrieve information Formatting enables the read write heads to locate data by dividing the disk into concentric circles called tracks and further dividing the tracks into sectors Each item of information on a disk is stored and retrieved according to its unique address identified by the track and sector Therefore a disk must be formatted before it can be used For information on formatting the hard disk refer to your MS DOS documentation The following explains how to format 3 1 2 diskettes There are two types of 3 1 2 diskettes 2HD high density and 2DD double density An inscription on the diskette s cover indicates the kind of diskette A high density diskette should be formatted to hold 1 44MB of data and a double density diskette should be formatted for 720 MB of data NOTE If you format a 2DD diskette to hold 1 44MB o
152. s appliance contains a laser system and is classified as a CLASS 1 LASER PRODUCT To use this model properly read the instruction manual carefully and keep this manual for your future reference In case of any trouble with this model please contact your nearest AUTHORIZED service station To prevent direct exposure to the laser beam do not try to open the enclosure VORSCHT Dieses Ger t enth lt ein Laser System und ist als LASER PRODUKT DER KLASSE 1 klassifiziert F r den richtigen Gebrauch dieses Modells die Bedienungsanleitung sorgf ltig durchlesen und als Referenz aufbewahren Falls Probleme mit diesem Modell auftreten die ndchste autorisierte Services Vertretung benachrichtigen Um einen direkten Kontakt mit dem Laserstrahl zu vermeiden sollte das Gehduse nicht ge ffnet werden CLASS 1 LASER PRODUCT LASERSCHUTZKLASSE 1 PRODUKT TO EN60825 ADVARSEL Denne merrking er anbragt udvendigt p apparatet og indikerer at apparatet arbejder med laserstr ler af klasse 1 hviket betyder at der anvendes laserstrlier af svageste klasse og at man ikke p apparatets yderside kan bilve udsat for utilladellg kraftig str ling APPARATET BOR KUN BNES AF FAGFOLK MED S RLIGT KENDSKAB TIL APPARATER MED LASERSTR LER ADVERSAL USYNLIG LASERSTRALING VED BNING N R SIKKERHEDSAF BRYDER ER UDE AF FUNKTION UNDG UDS TTELSE FOR STR LING Indvendigt i apparatet er anbragt den her gengivne advarselsm kning som advarer imod at fore
153. s when pressed Used in combination with the Fn key keys marked with icons execute specific functions on the T2150CD series computer See the section Soft keys Fn key combinations in this chapter The function executed by individual keys depends on the software you are using Use the template above the function keys to identify the task the function keys perform Use a soft lead pencil to write on the template Remove the template to write or erase commands because pencil lead and eraser dust can damage your T2150CD series computer if it gets inside Dark Gray Keys The dark gray function keys execute special computer functions The operating system or software application you are using determines the function of each key Some software packages alter how some keys work Refer to your software documentation for more information Refer to your MS DOS documentation for a complete description of how each key functions in MS DOS This section describes how the dark gray keys work in MS DOS and how some keys may act when you use word processor and spreadsheet software NOTE The phrase in MS DOS indicates commands and data entered at the MS DOS prompt tab bmp In MS DOS the tab key moves the cursor eight spaces to the right Some software packages use Shift tab to move the cursor back to the previous tab position but this function does not operate in MS DOS backspc bmp BkSp moves the cursor one character to
154. ta on Diskette Some diskettes such as those that contain your application programs and operating system should be kept in a safe place and not used on a regular basis Program Diskettes Program diskettes are usually non system diskettes that contain the files required to run your applications Diskettes you use to run software should be write protected to guard against accidental loss of data Most software manuals instruct you to copy the program diskettes to other diskettes and store the original program diskettes in a safe place If you install your application on diskettes be aware that some software programs create temporary files on these diskettes If you run this type of software do not write protect these diskettes Backup Data Diskettes Use non system diskettes to back up important personal files and software such as MS DOS and Windows for Workgroups from your hard disk or diskettes It s a good idea to write protect backup diskettes and store them in a safe place Chapter 6 The Keyboard All T2150CD series computers keyboard layouts are compatible with a 101 102 key enhanced keyboard By pressing some keys in combination all the 101 102 key keyboard functions can be executed on the computer The number of keys on your keyboard depends on which country s keyboard layout your computer is configured with Keyboards for numerous languages are available These optional international keyboard layouts are illustrated in Ap
155. tage s danne indgreb i apparatet at man kan komme til at uds tte sig for laserstr ling OBS Apparaten inneh ller laserkomponent som avger laserstr ining verstigande gr nsen for laserklass 1 VAROITUS Suojakoteloa si saa avata Laite sis lt laserdiodin joka l het n kym t nt silmilie vaarallista lasers teily CAUTION USE OF CONTROLS OR ADJUSTMENTS OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED IN THE OWNER S MANUAL MAY RESULT IN HAZARDOUS RADIATION EXPOSURE VORSICHT DIE VERWENDUNG VON ANDEREN STEURUNGEN ODER EINSTELLUNGEN ODER DAS DURCHFUHREN VON ANDEREN VORGANGEN ALS IN DER BEDIENUNGSANLEITUNG BESCHRIEBEN KONNEN GEFAHRLICHE STRAHLENEXPOSITIONEN ZUR FOLGE HABEN Toshiba service procedure Should this product require maintenance contact the following Toshiba service station TOSHIBA AMERICA INFORMATION SYSTEMS INC DISK PRODUCTS DIVISION 9740 IRVINE BOULEVARD IRVINE CA 92718 TEL 714 583 3000 TOSHIBA EUROPA LE G m b H DISK PRODUCTS DIVISION Hammfelddamm 8 D 41460 Neuss F R Germany TEL 02131 158 0 370 FAX 02131 158 390 Preface Congratulations on your purchase of the Toshiba T2150CD series computer This powerful light weight notebook computer provides excellent expansion capability including multimedia devices and it is designed to provide years of reliable high performance computing This manual tells how to set up and begin using your T2150CD series comput
156. tall the PCMCIA card make sure the computer is in boot mode 1 Turn off the computer and set it so that the left side faces you 2 Pullopen the slot cover 12 01 bmp Figure 12 1 Opening the PCMCIA slot s cover 3 Insert the PCMCIA card as shown in Figure 12 2 When the card is almost fully seated you will feel some resistance Press gently to assure a firm connection but do not force the card into position 12 U2 bmp Figure 12 2 Installing the PCMCIA card 4 When the card is fully seated an eject button will pop out Arrows on the buttons indicate which is for the top connector left button and which is for the bottom connector right button 5 Close the cover 6 Small flaps in the cover open for each card installed upper and or lower if the card needs to be accessed by for example a communication line to a modem or Ethernet adapter If you need to access the card simply open the corresponding flap 12 03 bmp Figure 12 3 The card s slot cover After installing the card check the configuration in the T2150CD series computer s TSETUP program to make sure it is appropriate for your card Refer to the Card Manager User s Guide and to your card s documentation for setup information Removing the PCMCIA Card To remove the PCMCIA card follow the steps below NOTE Before you remove the PCMCIA card make sure the computer is in boot mode Turn off the computer 2 Open the slot cover 3 Press the
157. tery save functions for optimum performance or battery power conservation You can also set the battery charge level when necessary Battery Save Mode This option is used to select Full Power or Low Power orUser Setting of the BATTERY SAVE OPTION Full Power The following shows full power settings BATTERY SAVE OPTIONS CPU Sleep Mode Disabled Display Auto Off Disabled T2150CDS 30 Min T2150CDT HDD Auto Off Disabled System Auto Off Disabled LCD Brightness Bright Low Power The following shows low power settings BATTERY SAVE OPTIONS CPU Sleep Mode Enabled Display Auto Off 03 Min HDD Auto Off 03 Min System Auto Off 30 Min LCD Brightness Semi Bright NOTE In boot mode System Auto off is not displayed User Setting This option allows you to set the battery save parameters on the sub window zarrery save oprtons When you select this option the automatic setting feature Full Power Or Low Power is disabled and the user preferred parameters become effective For details see User Setting Options below User Setting Options The following set of options can be selected in the sub menu of User Setting which is one of the Battery Save Mode options CPU Sleep Mode Use this option to enable or disable the CPU sleep function Enabled enables sleep mode Disabled disables sleep mode Display Auto Off Use this option to disable or set the duration of the display automatic power off function
158. tes test patterns to the diskette Use a formatted write enabled diskette Data on the diskette will be destroyed Hard disk drive Test the HDD Y N This test writes a small amount of data to the hard disk Printer Test the Printer Y N Before executing this test make sure the printer is connected and turned on If you select Y the following prompt will appear Compatible with IBM printer Y N Select Y for IBM compatible and N for non compatible If you are not sure select N Selecting Y for a non compatible printer may result in garble and processing of excess pages Test Sequence The diagnostic test checks the computer and attached peripherals in the following sequence 1 System test 2 Memory test 3 Display test 4 Floppy Disk Diskette test 5 Hard disk test 6 Printer test When a test is in progress the program displays IN PROGRESS TTSSDSS where TT indicates the test number the first SS indicates the subtest number D indicates the drive if tested and the second SS indicates the hardware status Subtests The following gives details on each subtest System Memory The System and Memory tests run together for about one minute The System test displays no messages The Memory test displays the following message MEMORY TEST IN PROGRESS XXXXXX where xxxxxx is the current memory location being tested The memory test includes conventional and extended memory If either test aborts l W
159. the digits 0 through 9 and the letters A B C D E and F high memory area HMA The first 64KB of extended memory host computer The computer that controls regulates and transmits information to a device or another computer hot key The T2400 Series feature in which certain keys in combination with the extended function key Fn can be used to set system parameters such as speaker volume icon A small graphic image displayed on the screen or in the indicator panel In Windows an icon represents an object that the user can manipulate input The data or instructions you provide to a computer communication device or other peripheral device from the keyboard or external or internal storage devices The data sent or output by the sending computer is input for the receiving computer instruction Statements or commands that specify how to perform a particular task interface 1 Hardware and or software components of a system used specifically to connect one system or device to another 2 To physically connect one system or device to another to exchange information 3 The point of contact between user the computer and the program for example the keyboard or a menu I O Input output Refers to acceptance and transfer of data to and from a computer I O devices Equipment used to communicate with the computer and transfer data to and from it J jumper A small clip or wire that allows you to
160. tions NOTE The functions described in this section can also be changed using Toshiba s Hardware Setup program in Windows You can access this program in the Toshiba Utilities group in Windows Program Manager Memory This group provides information on the computer s memory Total This field displays the total amount of memory installed and is automatically calculated by the computer You cannot change this value Base This field displays the amount of base conventional memory 640x8 and is automatically calculated by the computer You cannot change this value Extended Memory This field displays the amount of extended memory the computer has available You cannot change this value Shadow BIOS ROM This field displays 192KB of RAM which 1s reserved for the Shadow BIOS ROM The value cannot be changed Display This group of options helps you configure the computer s display Display Adaptor This field displays the internal controller for the VGA internal display Only vea compatible is displayed You cannot change it LCD Display Mode The computer s LCD displays text in 80 characters by 25 lines and graphics in 640 by 480 pixels for either Color or Monochrome mode Use this option to set the computer s display mode to Color Or Monochrome Color selects color mode This is the default Monochrome selects monochrome mode Some software is displayed better in monochrome mode Ext Scan Mode Use this opti
161. tive layout Output to screen is garbled Make sure the software you are using is not remapping the keyboard Remapping involves reassigning the meaning of each key See your software s documentation No output from keyboard Is an external keyboard connected If one is connected the internal keyboard is disabled If you are still unable to use the keyboard consult your dealer LCD Panel Apparent LCD problems may be related to the computer s setup Refer to Chapter 8 Display Panel and Chapter 11 Setup and Password Security for more informtion Problem Procedure Dim or black display T2150CDS Adjust the contrast control dial on the right side of only the computer Screen flicker T2150CDS only Select an LCD Display Colors setting TSETUP that has a lower number of colors No display Press hotkeys Fn 4 F5 to change the display priority to make sure it is not set for an external monitor Make sure instant security was not activated Try entering your password if you have one registered Or turn the power off and back on to clear instant security NOTE Pressing the reset button will also clear instant security But if the computer is in Resume mode your data will not be saved Problems above remain unresolved or Refer to your software s documentation to other problems occur determine if the software is causing the difficulty Run the diagnostic test Contact your dealer if the problems continue Hard Dis
162. ty double track disktarv bmp 2HD and 720KB double sided double density double track 2DD disks The computer s external diskette drive port can also be accessed but only one of the ports can be used Headphone jack A standard 3 5 mm mini line out jack enables connection of a stereo headphone 80 ohm minimum speaker bmp or other device for audio output When you connect headphones the internal speaker is automatically disabled Volume control Use this dial to adjust the headphone volume volctrl bmp Connecting the Port Replicator The port replicator is designed to assure a secure connection by a few simple operations To connect the port replicator follow the steps below Turn off the computer 2 Disconnect any peripheral devices connected to the computer 3 Liftup the connecting lever on top of the port replicator 12 10 bmp Figure 12 10 Lifting up the connecting lever 4 Seat the computer onto the port replicator s guide pins Be sure holes on each back corner of the computer s underside fit onto the pins 12 11 bmp Figure 12 11 Positioning the computer on the port replicator 5 Press the port replicator s connecting lever down fully to its original position to complete the connection NOTE When you close the lever the cover to the computer s port replicator port automatically opens the port replicator s connector engages with the computer s port
163. urn on the computer If Internal External 1S Selected only the external monitor will be active To change the display settings press Fn F5 If you disconnect the monitor before you turn the computer off be sure to press Fn F5 to switch to the internal display PS 2 Mouse Use the PS 2 mouse port on the optional port replicator to connect a PS 2 mouse See the Port replicator section in this chapter for directions on connecting the port replicator Make sure you have a cable that has a 6 pin connector for the port replicator s mouse port If the mouse s cable is not compatible see your dealer for an adapter cable NOTE How the computer treats the connection to a PS 2 mouse depends on the setting for pointing Devices under the others options in the Setup program If simuitaneous is selected you can operate both the AccuPoint and the PS 2 mouse If auto se1ectea is chosen the AccuPoint is disabled when a PS 2 mouse is connected To connect a PS 2 mouse Turn the computer off 2 Connect the PS 2 mouse to the PS 2 mouse port 3 Before turning on the computer connect the mouse pressing gently to assure a firm connection If you connect the mouse while the computer is on you will have to reboot for the computer to recognize the mouse connection To disconnect the mouse turn off the computer and pull out the mouse connector Consult your mouse manual for instructions on how to install necessary software If you have a seria
164. utilities and drivers are preinstalled on your hard disk This chapter describes the utilities and drivers and provides references to the relevant chapter describing each one Be sure you have backed up the utilities and drivers along with other preinstalled software onto diskettes List of Utilities and Drivers The following utilities are preinstalled on your hard disk L TSETUP EXE system configuration program See Chapter 11 Setup and Password Security TDIAGS EXE diagnostic program See Chapter 13 Troubleshooting L TOSCDROM SYS CD ROM driver Driver installation is explained in this chapter m Ll MaxTime xxx System configuration utility for Windows See Chapter 11 Setup and Password Security Ll Fn esse enables the user to define shortcut keys for Windows Execution is explained in this chapter Hardware Setup Windows utility corresponding to TSETUP See the SETUP options section in Chapter 11 Setup and Password Security for a description of available settings Ll Toshiba Display Drivers for Windows enhances the performance of Microsoft Windows Loading and unloading procedures are explained in this chapter Mouseware for AccuPoint controls functions of the AccuPoint and other pointing devices Toshiba Card Manager utilities for PCMCIA cards See the Card Manager User s Guide that came with the computer Ll Sound Driver and Audio Accessories See the Audio Applications User s Gui
165. uts off 2 Plugin the AC power cord 3 Charge the battery until the Battery LED shows green Repeat these steps two or three times until the battery charge recovers normal capacity Monitoring Battery Capacity Remaining battery power can be monitored by a Pop up window or by the Max Time program which is available only in Windows This section explains how to use the Pop up window For information on MaxTime refer to Chapter 11 Setup and Password Security The Pop up window contains a bar gauge that shows how much power remains in the main battery Press Fn F2 or Fn F3 to display the Pop up window The bar labeled E for empty and F for full is automatically set to full when the battery pack is fully charged NOTE If you open the Pop up window by pressing Fn F2 and continue holding down Fn pressing F2 again changes the battery save mode In the case of F3 the Resume Boot mode changes See Chapter 6 The Keyboard Battery Save Mode H Full Power E XXXX F Power up Mode Resume If the battery pack is completely discharged to the point where the computer automatically shuts down the graph is set to empty The first time you use your computer and when you remove and replace the battery pack will appear between E and F The Pop up window values are shown below F Full E Empty N A The battery is not installed or cannot be accessed by the computer The remaining charge of the battery pack cannot
166. vering slides back exposing the diskette s magnetic surface The diskette drive reads from and writes to a diskette by contacting the diskette s magnetic surface A write protect tab is located at the corner The section below tells how to write protect a 3 1 2 diskette A space for a press on label is indented on the surface of the protective cover 05 01 bmg Figure 5 1 A 3 1 2 diskette Labeling Diskettes Each diskette usually comes with two press on labels It is good practice to label a diskette the first time you use it Use a felt tip pen to update the label as you add data to your diskette Do not write on the diskette with a hard object such as a ball point pen or pencil Also do not use an eraser on the label If you use the diskette for something new just peel off the label and replace it with the extra one For more information on treatment of diskettes refer to the Diskette care section in this chapter CAUTION Use only press on labels designed for your diskettes Other labels may cause a diskette to jam in your diskette drive Labels with curled edges can also cause the diskette to jam in the drive Write protecting 3 1 2 Diskettes Any diskette that contains data you can t afford to lose should be protected from accidental erasure Sliding the diskette s write protect tab to its outermost position as in figure 5 2 write protects the diskette Data on a write protected diskette cannot be erased or altered
167. vices and the computer s or port replicator s serial port external monitor port PS 2 keyboard port PS 2 mouse port parallel port and the microphone jack Shielded cable with core must be used between the external devices and the computer s or port replicator s external diskette drive port Changes or modifications made to this equipment not expressly approved by Toshiba or parties authorized by Toshiba could void the user s authority to operate the equipment Industry Canada requirement This Class B digital apparatus meets all requirements of the Canadian Interference Causing Equipment Regulation Cet appareil num rique de la classe B respecte toutes les exigences du R giement sur le mat riel brouilleur du Canada Toshiba CD ROM drive XM 1102B Safety Instruction means any letters or numbers CAUTION The CD ROM drive employs a laser system To ensure proper use of this product please read this instruction manual carefully and retain for future reference Should the unit ever require maintenance contact an authorized service location see Service procedure CAUTION Use of controls adjustments or the performance of procedures other than those specified may result in hazardous radiation exposure CAUTION To prevent direct exposure to laser beam do not try to open the enclosure cv L1 bmp Figure 1 Location of the Required Label CLASS 1 LASER PRODUCT LASERSCHUTZKLASSE 1 PRODUKT TO EN60825 CAUTION Thi
168. wing Ll Disks are properly formatted Disks are not damaged Try another disk and if there is still a problem consult your dealer NOTE If you change your mind and decide not to test a disk press Ctrl Break to return to the vtacnostics MENU Hard Disk Test If the diskette test passes and you selected to test the hard disk you see the following message HARD DISK IN PROGRESS 805000 If this test aborts write down any messages and consult your dealer The computer or the drive may require service Press Enter to return to the Diagnostics menu Printer Test If the hard disk test passes and you selected to test the printer you see the following message PRINTER TEST IN PROGRESS 60xxxx where xxxx is a counter that shows the test is still in progress If you specified an IBM compatible printer the test prints six lines that show normal double width compressed emphasized double strike and all characters If you specified a printer that is not IBM compatible the test prints repeated lines of all characters in a revolving pattern If an error occurs the test displays the asorrep message Write down all messages and highlighted numbers and check the following items Ll Is the printer cord securely plugged into a live wall outlet Ll Is the printer cable properly connected to the computer O Is the printer turned on Ll Is the printer ready on line and selected Run the test again If the asorte message app

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