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CMD6686GX cpuModuleTM User`s Manual

1. 101 102 JP2 2 pin jumper Open no termination Mechanical Dimensions The following figure shows mechanical dimensions of the module in inches Ne N g LTS TY 200 a WD 208 z 5 FTO ss cooocooococooooo0oo00o000000000000000000 5 37 ao0o000000000000000000000000000000 a GOoOo00000000000000 lt 3 575 QD O8 0000000000000000000 D S35 J5 N CMD6686GX Mechanical Dimensions 0 005 103 686GX233 or 686GX300 Processor Thermal Management 104 The industrial grade processor IC of the cpuModule must receive adequate cooling to ensure proper operation and good reliability The case temperature of the processor must not exceed 85 C The processor is therefore supplied with an attached fan or heatsink with a thermal resistance of 5 C W The table below shows the maximum ambient temperature allowed vs Oca Case Temperature 85 C Oca for Different Ambient Temperatures C W CHAPTER 7 TROUBLESHOOTING Many problems you may encounter with operation of your cpuModule are due to common errors This chapter will help you get your system op erating properly It contains e Common problems and solutions e Troubleshooting a PC 104 system e How to obtain technical support e How to return a product 105 Common Problems and Solutions The following table lists some of the common problems you may encounter while using your
2. low power consumption e small physical dimensions e high reliability good noise immunity This cpuModule is highly integrated combining all major functions of a PC AT computer on one compact board It integrates all primary I O functions of a AT compatible computer a keyboard interface an ECP EPP parallel port two versatile RS232 422 485 serial ports a Real Time Clock a speaker port two USB ports It also enhances standard AT compatible computer systems by adding one Solid State Disk socket a non volatile configuration without a battery a Watchdog Timer Fail Safe Boot ROM The figure below shows a simplified block diagram of the cpuModule You can easily customize the cpuModule by stacking PC 104 modules such as modems LAN con trollers or analog and digital data acquisition modules Stacking PC 104 modules on the cpuModule avoids expensive installations of backplanes and card cages and preserves the module s compact ness RTD Enhanced Award BIOS is also implemented in the cpuModule This BIOS supports ROM DOS MS DOS and Windows operating systems Drivers in the BIOS allow booting from floppy disk hard diskSolid State Disk boot block flash or DiskOnChip thus enabling the system to be used with traditional disk drives or non mechanical drives The cpuModule and BIOS are also compatible with most real time operating systems for PC com patible computers although these may require creation of custom drivers to
3. Peere pog iie o JEH Doctooooooooooooooool CMD6686GX Basic Connector Locations CN8 Serial Port2 10 pin CN17 USB Connector For a complete listing of connectors please refer to I O Connections Pin 1 of each connector is indicated by a square solder pad on the bot tom of the PC board and a white box silkscreened on the top of the board 15 Fail safe boot rom Fail Safe Boot ROM is supplied with the board This feature is programmed into a surface mount flash chip The programmed boot rom is ROM DOS Fail Safe Boot ROM allows the system to boot without any attached storage devices i e floppy IDE SSD Installing jumper JP5 will force the cpuModule to use fail safe boot rom This configuration allows you to boot to non volitile on board ROM DOS Cable Kits For maximum flexibility cables are not provided with the cpuModule You may wish to purchase our cable kit for the cpuModule The XK CM33 cable kit contains the following Multifunction cable keyboard socket battery reset speaker Two serial port cables DIL10 to DSUB9 Parallel port cable DIL26 to DSUB25 Power cable DIL12 to wire leads Dual USB cable 4 Pin SIL to USB PS 2 Mouse adapter 4 Pin DIL to PS 2 Female 17 Connecting Power WARNING If you improperly connect power the module will almost certainly be damaged or destroyed Such damage is not warranted Please verify connections to the module before applying
4. Address 3F8h and interrupt 4 2F8h IRQ 3 Address 2F8h and interrupt 3 3E8h IRQ 4 Address 3E8h and interrupt 4 2E8h IRQ 3 Address 2E8h and interrupt 3 Select mode for onboard serial port 1 e RS 232 RS 232 driver receiver enabled e RS 422 485 RS 422 485 driver receiver enabled Onboard Serial Serial port 2 connector CN8settings Port 2 Disable Serial port not used Auto BIOS OS controls operation 3F8h IRQ 4 Address 3F8h and interrupt 4 2F8h IRQ 3 Address 2F8h and interrupt 3 3E8h IRQ 4 Address 3E8h and interrupt 4 2E8h IRQ 3 Address 2E8h and interrupt 3 Select mode for onboard serial port 2 e RS 232 RS 232 driver receiver enabled e RS 422 485 RS 422 485 driver receiver enabled Onboard Paral Selects parallel port address and interrupt lel Port lt PgUp gt e Disable Parallel port not used lt PgDn gt 378h IRQ7 Address 378h and interrupt 7 e 278h IRQS Address 278h and interrupt 5 e 3BCh IRQ7 Address 3BCh and interrupt 7 68 Parallel port mode ECP mode use DMA BIOS exten sion window device in SSD Socket SSD Window Drive A except Bio sExt Fail Safe Boot in SSD Win Integrated Peripherals Setup Fields 75 lt PgUp gt lt PgDn gt Select the mode for the parallel port SPP Standard parallel port EPP 1 7 Extended parallel port compatible with version 1 7 EPP 1 9 Extended parallel port compatible with version 1 9 ECP
5. This appendix gives information on the cpuModule hardware including e jumper settings and locations e mechanical dimensions e processor thermal management 99 Jumpers Many cpuModule options are configured by positioning jumpers Jumpers are labeled on the board as JP followed by a number Some jumpers are three pins allowing three settings e pins and 2 connected indicated as 1 2 e pins 2 and 3 connected indicated as 2 3 e no pins connected O O O Some jumpers are two pin allowing two settings e pins and 2 connected indicated as closed e pins 1 and 2 un connected indicated as open 1 2 Oo Oo The figure below shows the locations of the jumpers used to configure the cpuModule To use the figure position the module with the PC 104 bus connector at the six o clock position and the com ponent side facing up The table below lists the jumpers and their settings 100 eRe ROR O O o G G i Rewer s hs Ret sk eks ete ks Bete teks Re aA A O A ters ae ee G A A A EA A E A G A E D A E A a AE A CA A i 2 pin jumper Used to enable disable 120 ohm termination resistor on first serial port for RS 422 485 mode Factory Default Open no termination 2 pin jumper Used to enable disable 120 ohm termination resistor on second serial port for RS 422 485 mode Factory Default Open no termination Used for restoring factory default settings Factory use only do not close
6. 8237 Programmable Interrupt Controller 8259 Programmable Interval Timer 8254 RTC chip Auto detection of onboard DRAM amp Cache C3 1 Test system BIOS checksum 2 Test the first 256K DRAM 3 Expand the compressed codes into temporary DRAM area including the compressed System BIOS amp Option ROMs Copy the BIOS from ROM into E0000 FFFFF shadow RAM so that POST will go faster FFH Boot from FDD 84 Default Configuration In addition to the Setup configuration stored on the board the cpuModule has a permanent default configuration The system will resort to using this default if an error occurs when accessing the EPROM which holds the Setup on the module The default configuration is listed below Function IDE Interface 0 Master IDE Interface 0 Slave IDE Interface 1 Master IDE Interface 1 Slave Boot device BIOS Extension Floppy Drive 1 Floppy Drive Serial port 1 Serial port 2 Parallel Pon Keyboard USB Fail safe boot rom 85 Bypassing the Stored Configuration Under certain circumstances you may want to bypass the configuration stored on the board To do this press the Del key to enter Setup and then you can then reconfigure the cpuModule correctly 86 Direct Hardware Control Some of the cpuModule hardware is controlled directly without using BIOS routines These include e Watchdog Timer e Real Time Clock Control e Parallel Port Control The following sections describe use of these featur
7. Assign CSN to PnP ISA card Create resource map from ESCD Assign IO amp Memory for PCI devices PCI BIOS only 1 Program some of the Chipset s value according to Setup Early Setup Value Program 2 Measure CPU speed for display amp decide the system clock speed 3 Video initialization including Monochrome CGA EGA VGA If no display device found the speaker will beep which consists of one single long beep followed by two short beeps 1 Initialize the APIC Multi Processor BIOS only 2 Test video RAM If Monochrome display device found 3 Show messages including Award Logo Copyright string BIOS Date code amp Part OEM specific sign on messages Energy Star Logo Green BIOS ONLY CPU brand type amp speed Test system BIOS checksum Non Compress Version only 3 31 1 Test Base Memory from 256K to 640K 2 Test Extended Memory from 1M to the top of memory 32 1 Display the Award Plug amp Play BIOS Extension message PnP BIOS only 2 Program all onboard super I O chips if any including COM ports LPT ports FDD port according to setup value Initialize floppy disk drive controller Initialize Hard drive controller 82 RTD Enhanced Award BIOS POST Codes If it is a PnP BIOS initialize serial amp parallel ports Initialize math coprocessor Write all CMOS values currently in the BIOS stack area back into the CMOS 52 1 Initialize all ISA ROMs 2 Later PCI initialization PCI BIOS only assign IRQ to PCI
8. DiskOnChip device not 32 pin Boot device not set to Hard run Setup and set boot device to Hard disk Drive 106 erratic operation excessive bus loading reduce number of PC 104 modules in stack remove termination components from bus signals remove any power supply bus termina tions power supply noise examine power supply output with oscillo scope glitches below 4 75 Vdc will trigger a reset add bypass caps power supply limiting examine power supply output with oscillo scope check for voltage drop below 4 75 V when hard drive or floppy drive starts add bypass caps temperature too high add fan processor heatsink or other cool ing device s See 686GX233 Thermal Management memory address conflict check for two hardware devices e g Ethernet SSD Arcnet PCMCIA trying to use the same memory address check for two software devices e g EMM386 PCMCIA drivers etc trying to use the same memory addresses check for hardware and software devices trying to use the same memory address check for an address range shadowed see Advanced Setup screen while in use by another hardware or software device T O address conflict check for another module trying to use I O addresses reserved for the cpuModule be tween 010h and 01Fh check for two modules e g dataModules PCMCIA cards Ethernet trying to use the same I O addresses keyboard does not work keyboard interface damaged check if keyboard LEDs light
9. How to Return a Product scgcscs uc scageucasess A seageeteades stieat tee ieadeneews 111 Limited Warranty sccc si cane edesees ast eesae es 113 CHAPTER 1 INTRODUCTION Chapter 1 Chapter 2 Chapter 3 Chapter 4 Chapter 5 Chapter 6 Chapter 7 Chapter 8 This manual is meant for users developing with the CMD6686GX cpu Module It contains information on hardware and software of the cpu Module READ THE SPECIFICATIONS FIRST The manual is organized as follows Introduction Introduces main features and specifications Getting Started Provides abbreviated instructions to get started Connecting the cpuModule Provides information on connecting the cpuModule to peripherals Configuring the cpuModule Provides information on configuring hardware and software Using the cpuModule Provides information needed to develop applications for the cpuModule The chapter includes general information on the cpuModule plus de tailed information on storing applications and system functions and us ing utility programs Hardware Reference Lists jumpers and their locations and mechanical dimensions Troubleshooting Offers advice on debugging problems with your system Warranty The CMD6686GX cpuModule The PC 104 cpuModules described in this manual are designed for industrial applications which re quire e software and hardware compatibility with the PC AT world e high speed number crunching operation e
10. This signal is controlled by writing bit 1 of the Mo dem Control Register MCR or writting toI O port 0x18 as follows e IfMCR bit 1 1 then RTS 0 and serial transmit ters are disabled If MCR bit 1 0 then RTS 1 and serial transmit ters are enabled If Port Ox18h OR OxCh then transmitters always on If Port Ox18h AND O0x3h then transmitters under RTS control For more information on the serial port registers including the MCR please refer to a standard PC AT hardware reference for the 16550 type UART 39 Parallel Port CN6 The parallel port is available on connector CN6 You can use Setup to select its address associated interrupt and choose between its operational modes SPP ECP EPP 1 7 and EPP 1 9 The pinout of the connector allows a ribbon cable to directly connect it to a DB25 connector thus providing a standard PC compatible port The following tables lists the parallel port signals and explains how to connect it to a DB25 connec tor to obtain a PC compatible port NOTE For correct operation keep the length of the cable connecting the cpu Module and parallel device less than 3 meters 10 feet Parallel Port Connector CN6 20 Signal ground 23 40 Parallel Port Connector CN6 SLCT Ready To Receive 41 Multifunction Connector CN5 The Multifunction connector implements the following functions Speaker output AT keyboard System reset input Watchdog Timer output Bat
11. Devices Logo is a registered trademark of Real Time Devices USA cpuModule and utility Module are trademarks of Real Time Devices USA PhoenixPICO and PheonixPICO BIOS are trademarks of Phoenix Technologies Ltd PS 2 PC XT PC AT and IBM are trademarks of International Business Ma chines Inc MS DOS Windows Windows 95 Windows 98 and Windows NT are trademarks of Microsoft Corp PC 104 is a registered trademark of PC 104 Consortium All other trademarks appearing in this doc ument are the property of their respective owners Chapter 1 Chapter 2 Chapter 3 Chapter 4 Chapter 5 Introduction aso arsine Wie erew Sie alte cies a stm wes Sas See 7 The CMD6686GX cpuModule 2 2 03 4 il akan hen manee 8 SPECI CAL ons edie Gasca E tetas Sato E EN 9 Getting Started ssesssssssosssosessoeseos 13 Basic Connector Locations seesseseseesessesesessessessresrerseseresreeseesreseessee 14 Fail s te DOOL TOM ihan aa o TE A NE 16 Gable Kits nenin n eae N a E ee Maads 17 CONTE CUS PO WET bores enia rao oE E cay bes ESES EEEREN 18 Connecting the utility cable vicsccpiccssesccesusedbcacsausdas os tasdenca besantvangoacane 19 Connecting a Keyboard iii ots sues atucns tld banat gpcude ads tees datene wee esnane 20 Connecting to the PC 104 Bus v 2i sic A ccasaens teaelenceeeeudensaesceees 21 Detault Confi puration ii 2 tenn h etcetera ni E eee 22 Booting to Boot Block Flash with Fail Safe Boot ROM 23 If You Misconfigure t
12. Extended Capabilities port EPP ECP both EPP and ECP mode Select DMA for ECP mode 1 DMA channel 1 e 3 DMA channel 3 Select a 32 KB memory window for BIOS exten sion devices in the 32 pin SSD socket such as Dis kOnChip e Disable Do not use BIOS extension device C800 Window at C8000h CFFFFh if USB is enabled these addresses are used D000 Window at DO000h D7FFFh D800 Window at D8000h DFFFFh Select a SSD device to fill the SSD socket None RAM 128k RAM 512k NOVRAM 128k NOVRAM 512k ATMEL 128k ATMEL 5 12k FLASH 128k FLASH 256k FLASH 512k EPROM 128k EPROM 256k EPROM 512k EPROM 1M BiosExt Sets the memory window to be used for the SSD de vice D000 0000 D800 0000 800 0000 Selects the device the CPU will consider to be A e Floppy e SSD Enables the non volitile onboard backup BIOS e Enable e Disable 69 70 Muliple Moni tor Support Integrated Peripherals Setup Fields Allows multiple monitors to be run from the CPU e No Onboard e PCI First e MIB First Exit Setup Fields The following is a list of Exit Setup fields Field Exit and save changes Exit discarding changes Load setup de faults Discard changes Save changes Exit Setup Fields Exit setup and save changes Exit setup without saving the changes Loads default values for all setup items Loads previous values for all setup items Saves all setup items in non volatile
13. Include as much information as possible List the name of a contact person familiar with technical details of the problem or situation along with their phone and fax numbers address and e mail address if available List your shipping address Indicate the shipping method you would like used to return the product to you We will not ship by next day service without your pre approval Carefully package the product using proper anti static packaging Write the RMA number in large 1 letters on the outside of the package Return the package to Real Time Devices USA Inc P O Box 906 103 Innovation Blvd State College PA 16803 USA 111 112 CHAPTER 8 LIMITED WARRANTY Real Time Devices USA Inc warrants the hardware and software products it manufactures and pro duces to be free from defects in materials and workmanship for one year following the date of ship ment from REAL TIME DEVICES USA INC This warranty is limited to the original purchaser of product and is not transferable During the one year warranty period REAL TIME DEVICES USA will repair or replace at its op tion any defective products or parts at no additional charge provided that the product is returned shipping prepaid to REAL TIME DEVICES USA All replaced parts and products become the prop erty of REAL TIME DEVICES USA Before returning any product for repair customers are re quired to contact the factory for an RMA number THIS LIMITED WA
14. XT Bus Connector CN1 Row B ic OV RESETDRV SD6 o S S S S S D D D3 D D o o e SDO 12V Keying pin AEN SMEMW SMEMR IOW IOR DACK3 DRQ3 DACK1 DRQI REFRESH SYSCLK I nin gt gt od Co O NINININININ NPB WLM a ea O Ee l N ny amp NLALA LA LA LAIN NI NI nIn Sl gt gt gt ee el ele S eS eS Alo ol ol eloymlapecpeperr ofl NI AIAL AlN Z Q 46 The following table lists signals of the AT portion of the PC 104 bus PC 104 AT Bus Connector CN2 Om e fo MEMW DACKS5 SD8 DRQS5 SD9 DACK6 ISA bus refresh is not supported by this cpuModule Notes Keying pin positions have the pin cut on the bottom of the board and the hole plugged in the con nector to prevent misalignment of stacked modules This is a feature of the PC 104 specification and should be implemented on all mating PC 104 modules Signals marked with are active low All bus lines can drive a maximum current of 4 mA at TTL voltage levels 47 PC 104 Bus Signals The following table contains brief descriptions of the PC 104 bus signals PC 104 Bus Signals es e o SS AEN Address ENable when this line is active high it means a DMA transfer is being performed and therefore the DMA controller has control over the data bus the address bus and the control lines BALE Bus Address Latch Enable active high When active it indicates that add
15. by misconnection wrong keyboard type verify keyboard is an AT type or switch to AT mode Windows 3 1x installation smartdrive enabled remove smartdrive command from con program hangs fig sys reboot run install program floppy drive light always on cable misconnected check for floppy drive cable connected backwards 107 two hard drives will not both drives configured for set one drive for master and the other for work but one does master slave operation consult drive documenta tion floppy does not work data error due to drive up orient drive properly upright or on its side down side will not boot when video illegal calls to video controller look for software trying to access non ex card is removed istent video controller for video sound or beep commands won t boot from PCMCIA booting from PCMCIA is not boot from SSD use autoexec bat to load hard drive supported PCMCIA drivers run application from PCMCIA card COM port will not work in not configured for RS422 485 correctly configure serial port in Setup RS422 or RS485 modes program COM port will not transmit not enabling transmitters control RTS bit of Modem Control Reg in RS422 or RS485 mode ister to enable transmitters see Serial Port descriptions date and time not saved no backup battery connect a backup battery to the Multifunc when power is off tion connector 108 Troubleshooting a PC 104 System If you have reviewed the pr
16. chips MEMORY SIZE HAS CHANGED SINCE LAST BOOT Memory has been added or removed since the last boot In EISA mode use Configuration Utility to reconfigure the memory configuration In ISA mode enter Setup and enter the new memory size in the memory fields Memory Verify Error at Indicates an error verifying a value already written to memory Use the location along with your sys tem s memory map to locate the bad chip OFFENDING ADDRESS NOT FOUND This message is used in conjunction with the I O CHANNEL CHECK and RAM PARITY ERROR messages when the segment that has caused the problem cannot be isolated OFFENDING SEGMENT This message is used in conjunction with the I O CHANNEL CHECK and RAM PARITY ERROR messages when the segment that has caused the problem has been isolated PRESS A KEY TO REBOOT This will be displayed at the bottom screen when an error occurs that requires you to reboot Press any key and the system will reboot PRESS F1 TO DISABLE NMI F2 TO REBOOT When BIOS detects a Non maskable Interrupt condition during boot this will allow you to disable the NMI and continue to boot or you can reboot the system with the NMI enabled RAM PARITY ERROR CHECKING FOR SEGMENT Indicates a parity error in Random Access Memory SYSTEM HALTED CTRL ALT DEL TO REBOOT Indicates the present boot attempt has been aborted and the system must be rebooted Press and hold down the CTRL and ALT keys and press DEL
17. device 71 72 CHAPTER 5 USING THE CPUMODULE This chapter provides information for users who wish to develop their own applications programs for the cpuModule This chapter includes information on the following topics e Memory map e I O Address map e Interrupts e Power On Self Tests POSTs e System Functions Watchdog Timer Real Time Clock e Storing Applications in Solid State Disk e Utility Programs 73 Memory Map The module addresses memory using 24 address lines This allows a maximum of 2 4 locations or 16 Megabytes of memory The table below shows how memory in the first megabyte is allocated in the system First Megabyte Memory Map FFFFFH 256 KB BIOS in Flash EPROM shadowed into DRAM dur C0000H ing runtime ROM EFFFFH Run time user memory space Usually memory between C0000H C0000H and C7FFFH is used for the BIOS of add on VGA video cards BFFFFH Normally used for video RAM as follows A0000H CGA OB8000H to OBFFFFH EGA VGA 0A0000H to OAFFFFH Monochrome 0B0000H to OB7FFFH 9FFFFH DOS reserved memory area 00502H 00501H BIOS data area 00400H Interrupt vector area Memory beyond the first megabyte can be accessed in real mode by using EMS or a similar memory manager See your OS or programming language references for information on memory managers 74 Input Output Address Map As with all standard PC 104 boards the Input Output I O space is addressed by 10 add
18. device types Solid State Disk memories are placed in socket U16 The following table lists possible configurations for the SSD socket SSD Support Feeley Eine 290104 ae ooo Z9COAOA sas Oooo BIOS Extension DiskOnChipand read write to 288 MB Devices PromDisk NOVRAM psiasy rae s C Dsresoy reade ss O O s SRAM TIV Flash AMD 5V Flash EPROM 55 Configuring with the RTD Enhanced Award BIOS The cpuModule Setup program allows you to customize the cpuModule s configuration Selections made in Setup are stored on the board and are read by the BIOS at power on Starting Setup You can run Setup by e Re boot the cpuModule and press the Del key When you are finished with Setup save your changes and exit The system will automatically reboot Using the Setup Program All displays in Setup consist of two areas The left area lists the available selections The right area displays help messages which you should always read Field Selection You move between fields in Setup using the keys listed below Setup Keys gt lt move between fields Naa selects next previous values in fields Go to the submenu for the field to previous menu then to exit menu 56 Main Menu Setup Fields The following is a list of Main menu Setup fields Main Menu Setup Fields Standard CMOS Press lt Enter gt Access commonly used settings for the floppy Setup to select drives hard disks and video B
19. devices initialize all PCI ROMs PnP Initialization PnP BIOS only assign IO Memory IRQ amp DMA to PnP ISA devices initialize all PnP ISA ROMs Program shadows RAM according to Setup settings Program parity according to Setup setting Power Management Initialization Enable Disable global PM APM interface initial ization 1 If itis NOT a PnP BIOS initialize serial amp parallel ports 2 Initialize time value in BIOS data area by translate the RTC time value into a timer tick value 3D 1 Initialize Keyboard 2 Install PS2 mouse 3E Try to turn on Level 2 cache Note Some chipset may need to turn on the L2 cache in this stage But usually the cache is turn on later in POST 61h Enable FDD and detect media type 4E If there is any error detected such as video kb show all the error messages on the screen amp wait for user to press lt F1 gt key 4F 1 If password is needed ask for password 2 Clear the Energy Star Logo Green BIOS only Program defaults values into chipset according to the MODBINable Chipset Default Ta ble 83 RTD Enhanced Award BIOS POST Codes 1 Program the rest of the Chipset s value according to Setup Later Setup Value Pro gram 2 If auto configuration is enabled programmed the chipset with pre defined values in the MODBINable Auto Table Turn off OEM specific cache shadow Initialize all the standard devices with default values standard devices includes DMA controller
20. h71 print Read back value i at address j 89 Parallel Port Control The parallel port may be operated in SPP output only EPP bi directional and ECP extended ca pabilities modes The mode may be selected in Setup or by application software 90 Processor Clock Control The processor clock is controller by solder jumpers on the board These are set at the factory and should not be adjusted Please see Power Consumption for a listing of Power Consumption 91 Storing Applications On board 92 The cpuModule was designed to be used in embedded computing applications In these applications magnetic media like hard disks and floppy disks are not very desirable It is better to eliminate mag netic storage devices and place your operating system and application software into the cpuModule s Solid State Disk SSD The following section describes two distinctly different ways you may use the Solid State Disk sock ets of the cpuModule These methods allows you to use a wide variety of memory devices to imple ment on board Solid State Disk storage each with its advantages and disadvantages Ways to Use the Solid State Disk Socket The ways to utilize the Solid State Disk socket of the cpuModule e Using a device which installs as a BIOS Extension e Using Conventional SSD Memory BIOS Extension Devices such as DiskOnChip and PromDisk provide a relatively large amount of read write disk space These devices general
21. is indicated by a square solder pad on the bot tom of the PC board and a white box silkscreened on the top of the board CMD6686GX Connectors Connector Function Size Ons 31 Auxiliary Power CN3 WARNING If you improperly connect power the module will almost certainly be destroyed Please verify power connections to the module before applying power The power supply can be conveyed to the module either through the PC 104 bus CN1 and CN2 or through the Auxiliary Power Connector CN3 The cpuModule only uses 5 VDC and ground 12 VDC 12 VDC and 5 VDC may be required on other PC 104 boards in the system Auxiliary Power Connector CN3 Sora Fanetion Ce poa eun o o com Insufficient current supply will prevent your cpuModule from booting The gauge and lengthof the wire used for connecting power to the cpuModule must be taken into consideration Some power connectors have clip leads on them Make sure that the input voltage does not drop below 4 8V at the 5V power pins see the table labeled Typical Power Consumption for the cpuModule s power requirements A good rule of thumb is to use wire that can supply twice the power your system requires Connect two separate wires to the 5V pins 2 and 8 on the power connector to ensure a good power supply We rec ommend that no less than 22 gague wire be used and the length of this wire should not exceed 3 ft Always measure the voltage drop from
22. links to the websites of these manufacturers Installing BIOS Extension Devices To install these devices follow this procedure e Apply power to the cpuModule and run Setup e Set A BIOS Extension Window on the advanced setup page The memory window selected for a BIOS extension device must not be used by any other program or hardware device Make sure this window is not used by EMM386 or another memory manager Ethernet card PCMCIA card etc Save your changes and exit Setup Turn off the cpuModule Install the BIOS Extension Device into the socket Reboot the cpuModule The BIOS Extension Device should appear as the next available hard drive in your system If there is no other hard drive installed it will appear as drive Cy e Format the new drive using the DOS format command If you wish to make the drive bootable you must format it using the s switch of the format command Refer to your OS manual for more information e Ifyou wish to boot from the BIOS Extension Device run Setup and disable any other hard drive Set the boot device to Hard Drive The cpuModule will not boot to a BIOS Ex tension Device if another hard drive is enabled Installing a Conventional SSD using Atmel 5 volt only Flash To install an SSD using Atmel Flash follow this procedure e Apply power to the cpuModule and run Setup e Set Diskette A or B to the appropriate Atmel device type Diskette A is the boot de vice 95 Save
23. low to high and keeping it high until the microprocessor has recognized it KEY N A These locations contain mechanical keying pins to help prevent incor rect connector insertion LA23 LA17 These signals select a 128kbyte window in the 16Mbyte address space available on the bus 48 MASTER MEMCS16 o o pou ae REFRESH RESETDRV SA0 19 ri a SD8 15 T O SDO 7 PC 104 Bus Signals During a DMA cycle this active low signal indicates that a resource on the bus is about to drive the data and address lines Memory Chip Select 16 bit this line active low is controlled by de vices mapped in the memory address space and indicates they have a 16 bit bus width This active low signal indicates a memory read operation Devices us ing this signal must decode the address on lines LA23 LA17 and SA19 SA0 This active low signal indicates a memory write operation Devices using this signal must decode the address on lines LA23 LA17 and SA19 SA0 OSCillator clock with a 70 ns period and a 50 duty cycle It is a 14 31818 MHz always presents This cpuModule does not support refresh on the ISA bus This pin is pulled high with a 4 7 K ohm resistor and may be driven by another card in the PC 104 stack This line active high is used to reset the devices on the bus at power on or after a reset command Address bits 0 to 19 these lines are used to address the memory space and the I O space SAO is the leas
24. use the SSD and watch dog timer Specifications CMD6686GX233 e National Semiconductor Geode GXLV MMX enhanced microprocessor e 233 MHz clock speed e 2 5 V processor supply provided on board e 16KBLI cache Math coprocessor CMD6686GX300 e National Semiconductor Geode GX 1 MMX enhanced microprocessor e 300 MHz clock speed e 2 0 V processor supply provided on board e 16 KB L1 cache Math coprocessor Video Controller SVGA monitor output supports 640 x 480 with 256 colors and 60 72 75 85 Hz refresh 640 x 480 with 65536 colors and 60 72 75 85 Hz refresh 800 x 600 with 256 colors and 60 72 75 85 Hz refresh 800 x 600 with 65536 colors and 60 72 75 85 Hz refresh 1024 x 768 with 256 colors and 60 70 75 85 Hz refresh 1024 x 768 with 65536 colors and 60 70 75 85 Hz refresh 1280 x 1024 with 256 colors and 60 75 85 Hz refresh 1280 x 1024 with 65536 colors and 60 75 85 Hz refresh DMA Interrupts Timers Six 6 DMA channels 8237 compatible Fifteen 15 interrupt channels 8259 compatible Three 3 counter timers 8254 compatible Memory Configurations 32MB Fail safe Boot ROM e Surface mount Flash chip that holds ROM DOS Replaces the previous DiskOnChip Solid State Disk Socket e SSD socket can hold one of the following Conventional SSD devices Full Read Write 128Kbytes 256Kbytes 512Kbytes 1Mbyte Access SRAM yes ves no ves m0 EPROM ReadOnly ves ves yes yes Ful
25. your power supply to the power pins on the cpuModule The voltage at pins 2 and 8 should be 5V 32 Facing the connector pins the pinout of the Auxiliary Power connector is NOTES 5 VDC 12 VDC and 12 VDC voltages are not used by the module but are connected to the PC 104 bus connectors CN1 and CN2 The 3 3 volt pins 10 and 12 on power connector CN3 are used to monitor the onboard 3 3 voltage regulator In effect these pins 10 and 12 become outputs Don t use these pins as a source of 3 3 volts to another board and don t connect these pins to a 3 3 volt power supply The CPU V pin pin 11 of CN3 is used to monitor the onboard CPU regulator which is 2 5 or 2 0 volts Don t use this as source of 2 5 or 2 0 volts and don t connect this pin to a 2 5 or 2 0 volt power supply If your cpuModule is a 233MHz or 300MHz pin 11 will be 2 5V or 2 0V respectfully Pins 10 and 12 on CN3 are floating by default factory setting These pins are not for monitoring or power If monitoring is needed at these pins please contact us for details Power Supply Protection The cpuModule has protection circuitry which helps prevent damage due to problems with the 5V supply such as e Reversed polarity e Overvoltage e Overcurrent The circuitry includes a user replaceable fuse which is located near the PC 104 bus connector This fuse is a e 3 amp Nano fuse e Littelfuse part number 429003WR 33 Serial Po
26. 4 Minutes e 8 8 Minutes e 10 10 Minutes e 12 12 Minutes e 15 15 Minutes e 16 16 Minutes e 20 20 Minutes e 30 30 Minutes e 40 40 Minutes e 60 60 Minutes 64 Power Management Setup Fields HDD Power Down Modem use IRQ Throttle Duty Cycle RING POWER ON Controller Net POWER ON Controller RTC alarm function RTC on by time HH MM Soft Off by PWR BTTN lt PgUp gt lt PgDn gt Select inactivity time delay before hard disk power down e Disable HDD power down off 1 1 Minute 2 2 Minutes 4 4 Minutes 8 8 Minutes 10 10 Minutes 12 12 Minutes 15 15 Minutes 16 16 Minutes 20 20 Minutes 30 30 Minutes 40 40 Minutes 60 60 Minutes Select IRQ for modem wakeup NA Not Available 3 IRQ 3 4 IRQ 4 5 IRQ5 7 IRQ7 9 IRQ 9 10 IRQ 10 11 IRQ 11 Select throttle duty cycle e 12 5 12 5 Minimum savings e 33 3 33 3 e 50 0 50 0 e 75 0 75 0 Maximum savings Enable Disable Enable Disable Select RTC alarm function to bring CPU out of standby e Enable Turn on RTC Alarm and set as be low e Disable Turn off RTC Alarm Enter the time of day to come out of standby Op tions are 0 23 0 59 e Instant OFF e Delay 4 Sec Power Management Setup Fields IRQ that will Select IRQs that will wake the CPU out of suspend bring the CPU mode out of power IRQ 1 management IR
27. 485 Serial Port You may use Setup to configure the first serial port as RS422 or RS485 In this case you must con nect the serial port to an RS422 or RS485 compatible device When using RS422 or RS485 mode you can use the port in either half duplex two wire or full duplex four wire configurations For half duplex 2 wire operation you must connect RXD to TXD and connect RXD to TXD A 120 ohm termination resistors is provided on the cpuModule Termi nation is usually necessary on all RS422 receivers and at the ends of the RS485 bus If the termination resistor is required it can be enabled by closing jump er JP1 When using full duplex typically in 422 mode connect the ports as shown in the table below Full Duplex Connections When using half duplex in 485 connect the ports as shown in the table below Half Duplex 485 Mode To Port 1 TXD Port 1 RXD Port 1 TXD Port 1 RXD Port 1 TXD Port 2 RXD Port 1 RXD Port 2 TXD 35 RS422 and RS485 Mode Pinout 36 The following table gives the pinout of the serial port connector when RS422 or RS485 modes are enabled Connector CN7 in RS 422 485 Mode Function in out PBS enen Carrier Detect Dasara i Receive Daa O m2 C a o ira o 7_ C s D Transmit Daw on 3 _ 6 expr Receive Daw inf 8 Pe le eee aes Ps seve i Facing the serial port connector the pinout is when using RS422 or RS48
28. 5 Mode When using the serial port in RS422 or RS485 mode the serial transmitters are enabled and disabled under software control the receivers are always enabled The transmitters are enabled by manipulating the Request To Send RTS signal of the first serial port controller or by I O port 0x18 This signal is controlled by writing bit 1 of the Mo dem Control Register MCR or writting toI O port 0x18 as follows e IfMCR bit 1 1 then RTS 0 and serial transmit ters are disabled If MCR bit 1 0 then RTS 1 and serial transmit ters are enabled If Port Ox18h OR OxCh then transmitters always on If Port Ox18h AND Ox3h then transmitters under RTS control For more information on the serial port registers including the MCR please refer to a standard PC AT hardware reference for the 16550 type UART Serial Port 2 CN8 The second serial port is implemented on connector CN8 It is normally configured as a PC com patible full duplex RS232 port but you may use the Setup program to re configure is as half or full duplex RS422 or RS485 The I O address and corresponding interrupt must also be selected using Setup The available I O addresses and the corresponding interrupts are shown in the following table Second Serial Port Settings I O Address Default IRQ 03F8H IROA 02F8H IRQ3 03E8H IRQ4 02E8H IRQ3 Second Serial Port UART The second serial port is implemented with a 16550 compatible UART Universal Asynch
29. Be sure the adapter is installed correctly and all cables are correctly and firmly attached Also be sure the correct hard drive type is selected in Setup ERROR INITIALIZING HARD DISK CONTROLLER 79 80 Cannot initialize controller Make sure the cord is correctly and firmly installed in the bus Be sure the correct hard drive type is selected in Setup Also check to see if any jumper needs to be set cor rectly on the hard drive FLOPPY DISK CNTRLR ERROR OR NO CNTRLR PRESENT Cannot find or initialize the floppy drive controller Make sure the controller is installed correctly and firmly If there are no floppy drives installed be sure the Diskette Drive selection in Setup is set to NONE KEYBOARD ERROR OR NO KEYBOARD PRESENT Cannot initialize the keyboard Make sure the keyboard is attached correctly and no keys are being pressed during the boot If you are purposely configuring the system without a keyboard set the error halt condition in Setup to HALT ON ALL BUT KEYBOARD This will cause the BIOS to ignore the missing keyboard and continue the boot Memory Address Error at Indicates a memory address error at a specific location You can use this location along with the memory map for your system to find and replace the bad memory chips Memory parity Error at Indicates a memory parity error at a specific location You can use this location along with the mem ory map for your system to find and replace the bad memory
30. CMD6686GX cpuModule User s Manual RTD Enhanced Award BIOS Versions 4 51 xx tii USA Real Time Devices USA Inc Accessing the Analog World Publication CMD6686 ISO9001 and AS9100 Certified 2001 10 15 CMD6686GX cpuModule User s Manual USA REAL TIME DEVICES USA INC PO Box 906 State College PA 16804 0906 Phone 1 814 234 8087 FAX 1 814 234 5218 E mail sales rtdusa com techsupport rtdusa com web site http www rtdusa com Revision History 99 03 30 99 07 26 99 08 02 99 08 16 99 08 18 99 09 10 99 09 14 00 01 10 00 01 14 00 02 08 00 06 13 00 07 05 2001 04 26 2001 07 26 2001 09 05 2001 10 15 New Added CMR and 128 256 MB Added PCI bus version for 7686 boards Fixed Refresh signal description Added more PCI info Put VGA connector pinout in CMM7686 Minor page alignment changes Added CMC7686 version Changed part number from 686 to 6686 Fixed RS 422 pinout Changed PCI 3 3V default to power connector for 7000 series Added 300 MHz Modified DiskOnChip Information Added USB Information CMD and CMG versions Added more information on Fail Safe Boot ROM Modify Information on SSD s Publication CMD6686 2001 10 15 Published by Real Time Devices USA Inc P O Box 906 State College PA 16804 0906 Copyright 1999 2000 by Real Time Devices USA Inc All rights reserved Printed in U S A The Real Time
31. DT Disabling the watchdog timer is illustrated in the following QuickBasic program fragment temp INP amp HI1E Read I O port 1Eh temp temp AND amp HFE Clear LSB to 0 OUTPUT amp HI1E temp Disable WDT Real Time Clock Control The cpuModule is equipped with a Real Time Clock RTC which provides system date and time functions and also provides 128 non volatile memory locations The contents of these memory lo cations are retained whenever an external backup battery is connected whether or not system power is connected You may access the RTC date time and memory using an index and data register at I O addresses 70h and 71h Address 70h is the Index register It must be written with the number of the register to read or write Refer to the map below for valid choices for the index Data is then written to or read from the selected register by writing or reading respectively the data register at address 71h Do not change values stored in the RTC registers listed as RESERVED in the table below Doing so will interfere with proper cpuModule operation Registers of the Real Time Clock are shown below Real Time Clock Registers hex decimal Bytes a a C p a j o oe E a ee a a a a RTC access is illustrated in the following QuickBasic program fragment input Enter address to write 1 input Enter value to write j output amp h70 i output amp h71 j output amp h70 i j input amp
32. FLOPPY DISK S fail 80 Unable to reset floppy subsystem FLOPPY DISK S fail 40 Floppy Type mismatch Hard Disk s fail 80 HDD reset failed Hard Disk s fail 40 HDD controller diagnostics failed Hard Disk s fail 20 HDD initialization error Hard Disk s fail 10 Unable to calibrate fixed disk Hard Disk s fail 08 Sector Verify failed Keyboard error or no keyboard present Cannot initialize the keyboard Make sure the keyboard is attached correctly and no keys are being pressed during the boot Manufacturing POST loop BIOS ROM checksum error System halted The checksum of ROM address FOOOOH FFFFFH is bad Memory test fail BIOS reports the memory test fail if the onboard memory is tested error RTD Enhanced Award BIOS POST Codes Verifies CMOS s basic R W functionality 1 Program the configuration register of Cyrix CPU according to the MODBINable Cyrix Register Table 2 OEM specific cache initialization if needed 2 Enable Keyboard Interface 81 RTD Enhanced Award BIOS POST Codes 1 Initialize the first 32 interrupt vectors with corresponding Interrupt handlers Initialize INT no from 33 120 with Dummy Spurious Interrupt Handler Issue CPUID instruction to identify CPU type Early Power Management initialization OEM specific Verify the RTC time is valid or not Detect bad battery Read CMOS data into BIOS stack area PnP initialization including PnP BIOS only
33. IOS It is the normal interface between cpu Module hardware and the operating system which is in control It is active from the time the OS boots until the cpuModule is turned off The CORE BIOS provides the system with a series of soft ware interrupts to control various hardware devices The following sections discuss the sections of the BIOS in more detail and describe features of the BIOS which may be useful to you in developing applications Power On Self Tests POSTs POST Messages During the Power On Self Test POST if the BIOS detects an error requiring you to do something to fix it will either sound a beep code or display a message If a message is displayed it will be accompanied by PRESS F1 TO CONTINUE CTRL ALT ESC OR DEL TO ENTER SETUP POST Beep Currently there are two kinds of beep codes in BIOS This code indicates that a video error has oc curred and the BIOS cannot initialize the video screen to display any additional information This beep code consists of a single long beep followed by three short beeps The other code indicates that your DRAM error has occurred This beep code consists of a single long beep repeatedly Error Messages One or more of the following messages may be displayed if the BIOS detects an error during the POST This list includes messages for both the ISA and the EISA BIOS CMOS BATTERY HAS FAILED CMOS battery is no longer functional It should be replaced CMOS CHECKSUM ERROR Checks
34. IOS Features Press lt Enter gt Access settings for BIOS features such as boot se Setup to select quence keyboard options and test options Chipset Features Press lt Enter gt Set chipset specific options Setup to select Power manage Press lt Enter gt Set power management options ment Setup to select PNP PCI Config Press lt Enter gt Set PNP and PCI options uration Setup to select Load BIOS De Press lt Enter gt Load the setup defaults stored in the BIOS faults to select Load Setup De Press lt Enter gt Load the setup defaults stored in setup faults to select Integrated Pe Press lt Enter gt Set I O device options ripherals to select Supervisor Pass Press lt Enter gt Set supervisor access password word to select User Password Press lt Enter gt Set user access password to select IDE HDD Auto Press lt Enter gt Have the BIOS detect the IDE hard disks connected Detection to select to the system Save and Exit Press lt Enter gt Save your changes and exit Setup Setup to select Exit without Press lt Enter gt Exit Setup without saving changes Saving to select Standard CMOS Setup The following is an alphabetical list of Standard CMOS Setup fields BIOS Features Setup Standard CMOS Setup Fields 58 o o Hard Disk Primary Master lt PgUp gt lt PgDn gt Primary Slave Secondary Mas ter Secondary Slave Drive A lt PgUp gt lt PgDn gt Drive B Halt On l
35. Module BIOS version information e a message requesting you press Del to enter the Setup program If you don t press Del the cpuModule will try to boot from the current settings If you press Del the cpuModule will enter Setup Once you have configured the cpuModule using Setup save your changes and reboot Boards are shipped with fail safe boot rom enable When Fail Safe Boot ROM is enabled the system will boot to it exclu sively 21 Default Configuration In addition to the Setup configuration stored on the board the cpuModule has a permanent default configuration The system will resort to using this default if an error occurs when accessing the EPROM which holds the Setup on the module The default configuration is listed below Function IDE Interface 0 Master IDE Interface 0 Slave IDE Interface 1 Master IDE Interface 1 Slave Boot device BIOS Extension Floppy Drive Floppy Drive 2 Serial port Serial por Parallel Pon Keyboard USB Boards are shipped with fail safe boot rom enable When Fail Safe Boot ROM is enabled the system will boot to it exclu sively 22 Booting to Boot Block Flash with Fail Safe Boot ROM The Fail Safe Boot ROM is a special build of ROM DOS located inside a surface mounted Boot Block Flash chip that is memory mapped to the SSD window Boot Block Flash is a write protected flash device that contains the BIOS and extra room where the Fail Safe Boot ROM is stored in the
36. Q 3 IRQ 4 IRQ 5 IRQ 6 IRQ7 IRQ 9 IRQ 10 IRQ 11 IRQ 12 IRQ 13 IRQ 14 IRQ 15 PNP PCI Configuration Setup Fields The following is a list of PNP PCI Configuration Setup fields PNP PCI Configuration Setup Fields PNP OS in Select if you are using a PNP aware operating sys stalled tem If you select Yes the Operating System will change the I O assignments made in the BIOS e Yes Using a PNP operating system such as Microsoft Windows 95 98 NT e No Not using a PNP operating system Resources con How PNP resources are controlled trolled by e Auto BIOS configures the PNP devices e Manual User configures PNP devices Reset Configu Select Enable to clear the Extended System Con ration Data figuration Data ESCD area This will make the CPU search for legacy devices and store the up dated info This field will automatically return to disable after the next boot IRQ assigned Select whether interrupts are to be used by legacy to ISA devices or PCI PNP ISA devices e IRQ3 PCI ISA PNP or Legacy ISA IRQ 4 PCI ISA PNP or Legacy ISA IRQ 5 PCI ISA PNP or Legacy ISA IRQ 6 PCI ISA PNP or Legacy ISA IRQ 7 PCI ISA PNP or Legacy ISA IRQ 9 PCI ISA PNP or Legacy ISA IRQ 10 PCIASA PNP or Legacy ISA IRQ 11 PCIASA PNP or Legacy ISA IRQ 12 PCIASA PNP or Legacy ISA IRQ 13 PCIASA PNP or Legacy ISA IRQ 14 PCIASA PNP or Legacy ISA IRQ 15 PCIASA PNP or Legacy ISA DMA as Select whether DMA chan
37. ROM DISK The build is special because it can understand the ROM DISK format on the flash chip Additionally Fail Safe Boot ROM is an emergency interface accessible by an external computer The ROM DISK in the Fail Safe Boot ROM contains REMDISK and REMSERVE for remote access to the system s disk drives Due to the size of the flash chip Fail Safe Boot ROM contains an abreviated selection of the ROM DOS utilities however the complete ROM DOS is contained on a floppy shipped with the board The purpose of the Fail Safe Boot ROM is to make the board bootable when the customer receives the cpuModule Fail Safe Boot ROM can be used as an indicator of the board s functionality when booting problems arise with another operating system This test can be accomplished by installing JP5 Installing JP5 forces the cpuModule to boot to Fail Safe Boot ROM The ROM DISK that contains the Fail Safe Boot ROM acts as an example of what can be programmed into the flash chip Last Fail Safe Boot ROM allows files to be transferred on or off the storage devices in the system by use of REMSERV and REMDISK two ROM DOS utilities If the user would need remote access to the system run REMSERV on the target system and REM DISK on the host system The end result would be that the storage devices on the target system would appear as additional drives on the host system Information could then be transferred between hard disks by using a standard NULL Modem cable o
38. RRANTY DOES NOT EXTEND TO ANY PRODUCTS WHICH HAVE BEEN DAMAGED AS A RESULT OF ACCIDENT MISUSE ABUSE such as use of incorrect input voltages improper or insufficient ventilation failure to follow the operating instructions that are provided by REAL TIME DEVICES USA acts of God or other contingencies beyond the con trol of REAL TIME DEVICES USA OR AS A RESULT OF SERVICE OR MODIFICATION BY ANYONE OTHER THAN REAL TIME DEVICES USA EXCEPT AS EXPRESSLY SET FORTH ABOVE NO OTHER WARRANTIES ARE EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT NESS FOR A PARTICULAR PURPOSE AND REAL TIME DEVICES USA EXPRESSLY DIS CLAIMS ALL WARRANTIES NOT STATED HEREIN ALL IMPLIED WARRANTIES INCLUDING IMPLIED WARRANTIES FOR MECHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE LIMITED TO THE DURATION OF THIS WARRANTY IN THE EVENT THE PRODUCT IS NOT FREE FROM DEFECTS AS WARRANTED ABOVE THE PURCHASER S SOLE REMEDY SHALL BE REPAIR OR REPLACEMENT AS PROVID ED ABOVE UNDER NO CIRCUMSTANCES WILL REAL TIME DEVICES USA BE LIABLE TO THE PURCHASER OR ANY USER FOR ANY DAMAGES INCLUDING ANY INCIDEN TAL OR CONSEQUENTIAL DAMAGES EXPENSES LOST PROFITS LOST SAVINGS OR OTHER DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PRODUCT SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR CONSUMER PRODUCTS AND SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WA
39. RRANTY LASTS SO THE ABOVE LIMITATIONS OR EXCLUSIONS MAY NOT APPLY TO YOU THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM STATE TO STATE 113 114 Real Time Devices USA Inc P O Box 906 103 Innovation Blvd State College PA 16803 USA Our website www rtdusa com
40. cpu Module and suggests possible solutions If you are having problems with your cpuModule please review this table before contacting techni cal support cpuModule will not boot no power or wrong polarity check for correct power on PC 104 bus connectors incorrect Setup install jumper JP5 reboot and press Del video disabled etc key to run Setup defective or mis connected de check for misaligned bus connectors vice on bus remove other cards from stack cable connected backwards verify all cables are connected correctly SSD installed backwards check for an SSD memory installed in socket backwards does not recognize Setup jumper JP5 installed turn off power remove JP5 reboot changes will not boot from particu device not bootable use sys command on drive or re format the lar drive or device device using the s switch device not formatted format drive using s switch power not connected to boot connect power cable to floppy or hard drive drive Atmel Flash shows disk part smaller than 1 44MB was ignore disk space remaining messages space available but it can formatted as 1 44MB it will from DOS not be written show space available even REMEMBER A bootable disk contains 3 when full hidden files plus format info totalling about 150kB will not boot from DiskOn DiskOnChip is not the only disable other hard drive s in system Chip hard drive in system using wrong DiskOnChip change to correct 32 pin
41. cssscscscscesnscesseccsensscesneeeees 78 Power On Self Tests POSTS rihanna naan a Y 79 RTD Enhanced Award BIOS POST Codes n se 81 Default Configuration 22 0 cised deciles tenn e i seeleds 85 Direct Hardware Control 2 00 cies fats Ses ie desea 87 Watchdog Timer Control vac jecs c tesise caeadmnds a ecdaaoceteslanssanenaaaiae 88 Real Time Clock Control wo c ecice ce ccceeccccsseeccccccececcecececcunesecceusccceuas 89 Chapter 6 Chapter 7 Chapter 8 Parallel Port Control oeenn a 90 Processor Clock Control 45 sccasivesaoueeacceieadaraaacassecasuve hesgenescantansqoaaiee 91 Storing Applications On board 0 eee eeeeseceeeeeeeeeeeeceaecnseeeseeeeaees 92 Ways to Use the Solid State Disk Socket 20 0 eeeeesseeeesseeeeeeees 93 BIOS Extension Dey 16S nhen aes jaca ead 2s aan pn a E eave tans 95 Hardware Reference 0c cece cece eeees 99 JUM PELS eens a Souzatnes sacaaeyasdacsieae aes aeaass guts te eae 100 E E ik tagde asad adda Fae eis aoe ba ies cee aoa ert Mace 102 Mechanical Dimensions ssi cssansy26essgenacavadesaeadacevenaasavedtiesaasesessesdquasense 103 686GX233 or 686GX300 Processor Thermal Management 104 Troubleshooting 35222 0c32e0 casei eeeeeoiws s 105 Common Problems and Solutions cccsssceceessssceeeesesteceenssseeeens 106 Troubleshooting a PC 104 System ou eee ceeeeeeeceneeeeeeeeceeeeeeeteeeees 109 How to Obtain Technical Support e cc ceeceeeeeeeeeeeeeceteeeeeteeeeneeees 110
42. d then you will be asked to enter a password Do not type anything just press lt En ter gt and it will disable security Once security is disabled you can boot and enter setup freely Determines whether an external MPEG ISA VGA Card can work with the PCI VGA or not e Enable When PCI VGA is working with MPEG ISA card Disable When PCI VGA is not working with MPEG ISA card Select operating system in use e O82 If you are using OS2 e Non OS2 All other operating systems Enable reporting that there is no floppy disk drives to Win 95 e Yes Report to Win 95 if there are no floppies e No Do not report to Win 95 if there are no floppies Enable or disable copying slow ROMS to fast DRAM for the following memory areas e Video BIOS C0000 C7FFFF C8000 CBFFF CC000 CFFFF D0000 D3FFF D4000 D7FFF D8000 DBFFF DC000 DFFFF Cyrix 6x86 MII CPUID BIOS Features Setup Fields lt PgUp gt lt PgDn gt Enable or disable the CPUID instruction e Enable Allow the CPUID instruction e Disable Don t allow the CPUID instruction 61 Chipset Features Setup The following is a list of Chipset Features Setup fields Chipset Features Setup Fields Recovery time is the length of time measured in CPU clocks which the system will delay after the completion of an input output request This delay takes place because the CPU is operating so much faster than the I O bus that the CPU mu
43. eceding table and still cannot isolate the problem with your cpuModule please try the following troubleshooting steps Even if the resulting information does not help you find the problem it will be very helpful if you contact technical support Simplify the system Remove items one at a time and see if one particular item seems to cause the problem Swap components Try replacing items in the system one at a time with similar items 109 How to Obtain Technical Support If after following the above steps you still cannot resolve a problem with your cpuModule please assemble the following information cpuModule model BIOS version and serial number list of all boards in system list of settings from cpuModule Setup program printout of autoexec bat and config sys files if applicable description of problem circumstances under which problem occurs Then contact factory technical support Phone 814 234 8087 Fax 814 234 5218 E mail techsupport rtdusa com 110 How to Return a Product NOTE You must have authorization from the factory before returning any item for any reason If you wish to return a product to the factory for service please follow this procedure 1 2 3 4 5 6 7 8 9 Read the Limited Warranty to familiarize yourself with our warranty policy Contact the factory for a Return Merchandise Authorization RMA number Write a detailed description of the situation or problem
44. ect to ground when pushed Pin 9 of the multifunction connector is the connection for an external backup battery in the range 2 40 V to 4 15 V typically 3 0 or 3 6 V This battery is used by the cpuModule when system power is removed to preserve the date and time in the Real Time Clock 43 Bus Mouse Connector CN4 The following table gives the pinout of the Bus Mouse connector Bus Mouse Connector CN4 Fin Signal Funetion veut GND out tt i MCLK Mouse Clock out ar Facing the connector pins the pinout is USB Connector CN17 Two USB ports are available on CN17 The following table gives the pinout of the USB connector Table 1 USB Connector CN17 SPINDPin_ T0PINDILPIn 2 VCC2 Supply 5V to USB2 out 3 DATAI Bi directional data in out line for USB1 DATA2 Bi directional data in out 3 5 DATA1 Bi directional data in out line for USB1 DATA2 Bi directional data in out line for USB2 GRND Signal Ground So GRND _ Signal Ground a Facing the connector pins the pinout is GRND GRND DATAI DATAI1 VCCl GRND GRND_ DATA2 DATA2 VCC2 10 8 6 4 2 45 PC 104 Bus CN1 and CN2 Connectors CN1 and CN2 carry signals of the PC 104 bus these signals match definitions of the IEEE P996 standard The following tables list the pinouts of the PC 104 bus connectors The following table lists the signals of the XT portion of the PC 104 bus see Notes below AT Bus table PC 104
45. es 87 Watchdog Timer Control 88 The cpuModule includes a Watchdog Timer which provides protection against programs hanging or getting stuck in an execution loop where they cannot respond correctly When enabled the Watchdog Timer must be periodically reset by your application program If it is not reset before the time out period of 1 2 seconds expires it will cause a hardware reset of the cpuModule Three functions have been implemented on the cpuModule for Watchdog Timer control These are e Watchdog Timer enable e Watchdog Timer disable e Watchdog Timer reset To enable the watchdog timer you must write a 1 to to Bit 0 of I O register 1Eh To ensure compat ability with future designs you should read the register and only change the bit you need to change After you enable the watchdog timer you must reset it at least once every 1 2 seconds by reading I O 1Eh The data read does not matter To disable the watchdog timer you must write a 0 to to Bit 0 of I O register 1 Eh Enabling the watchdog timer is illustrated in the following QuickBasic program fragment temp INP amp HIE Read I O port 1Eh temp temp OR 1 Set LSB to 1 OUTPUT amp HIE temp Enable WDT When the watchdog timer is enabled it must be refreshed before it times out or it hardware reset the system Refreshing the watchdog timer is illustrated in the following QuickBasic program fragment temp INP amp HIE Read I O port 1Eh to refresh the W
46. formation This chapter has been intended to get the typical user up and running quickly If you need more de tails please refer to the following chapters for more information on configuring and using the cpu Module Phone 814 234 8087 Fax 814 234 5218 Real Time Devices USA Inc P O Box 906 103 Innovation Blvd State College PA 16803 USA Our website www rtdusa com Our e mail techsupport rtdusa com 25 26 CHAPTER 3 CONNECTING THE CPUMODULE This chapter contains necessary information to any of the connectors on the cpuModule 27 VO Connections The cpuModule comes from the factory ready to connect to the peripherals shown in the following table Default Peripheral Settings oe USB Ports Enabled Setup 1 and 2 Parallel Port Bi directional at 378H Setup IRQ7 Floppy Drive 1 1 44M 3 5 Floppy Drive 2 Not installed If you are using peripherals compatible with this list you do not need to configure any jumpers or software settings before connecting them If you are using different peripherals you may need to change the cpuModule settings In that case please see Configuring with the RTD Enhanced Award BIOS 28 29 Connector Locations The figure and table below show all connectors and the SSD socket of the cpuModule GOOO OD G G D E G O G O OOOO OOOO Oooo a e e N LLLLELLLEEEEEEEEEEL TT am o JEH HooooooNOOoo05000000F 30 CMD6686GX Connector Locations Pin 1 of each connector
47. he cpuModule 0 eee ceeeeeeeceneceeeeeseeeenees 24 For More Information saiohd cescaeieschestnencaaus niche peincscentetabcatan satel et ghelioes 25 Connecting the cpuModule esssssesssssssss 27 VO COnn ctonS sorres e E R 28 Connector Locations secesii neaei aeons i tees 30 Auxiliary Power CN3 si een e a e E Ea E ESE 32 senal Port ISEN dennin a a a a e aa 34 Serial Port 2 ONS a a e a e a i aet ana ear Bee 37 Parallel PO E N O a a Ee DAS I RE 40 Multifunction Connector CN5 sssssesssssessssssssseerenssessssesrersesssseseerre 42 Bus Mouse Connector CN4 cccececcccccccccesesesesceccccceeesssesesescssseseseees 44 USB Connector CN 7 r a E E A e Aa NE eas 45 PC 104 Bus CN1 and CN2 5 asrga oaiit iai eiii iiai 46 Configuring the cpuModule BIOS Setup 51 Entering the BIOS Setup ctectecics3 scl ed ste era tke Recta ste nacteees 52 Default Configuration eseesseeeeesesesesresseseresrersessrssressessresreeseesreserssee 53 Disabling Fail Safe Boot Rom ssessessssseseseesessessrssressessresrreseesreseessee 54 Installing SSD Memory sssssssssesssesssssessseessesssessseessseessseessresseesseessees 55 Configuring with the RTD Enhanced Award BIOS 0 ee 56 Using the cpuModule cece eee wees 73 Me mory Map risien anaa ai E E EEE EESE 74 Input Output Address Map ss ccis 2 cis ti cadues Semele etdicindel nae 75 Hardware Int rr pts nsa a lets a heen dee agendded pads 11 The RTD Enhanced Award BIOS cc
48. horten some tests to allow the system to boot faster e Disable Perform all power on self tests Quick power on lt PgUp gt self test lt PgDn gt Select from the options the boot sequence for the Boot S lt PgUp gt oot Sequence gUp CPU lt PgDn gt Swap floppy drive lt PgUp gt Swap floppy drive A and B lt PgDn gt e Enable Floppy connected after the twist in the floppy wire will be Drive B and floppy connected before the twist in the floppy wire will be Drive A Disable Normal Floppy connected after the twist in the floppy wire will be Drive A and floppy connected after the twist in the floppy wire will be Drive B Note This only works with two floppies installed Boot up floppy lt PgUp gt Perform floppy seek to determine if floppy is a 40 seek lt PgDn gt tracks 360 KB or an 80 track 1 2 MB 720 KB or 1 44 MB Enable Perform check Disable Skip check Boot Up System lt PgUp gt Speed lt PgDn gt Boot up numlock lt PgUp gt Set keypad numlock status after boot status lt PgDn gt e On Keypad is number keys e Off Keypad is cursors keys Gate A20 option lt PgUp gt Select gate A20 options lt PgDn gt e Normal Use keyboard controller to control A20 gate e Fast Allow chipset to control A20 gate Memory Parity lt PgUp gt Enable Check lt PgDn gt e Disable Typematic rate set lt PgUp gt Determines if typematic i
49. l Read Write Maximum Number per Access cpuModule DiskOnChip yes 1 2 288 MB 2000 DiskOnChip yes 1 1MB 2MB 1000 MCSI PromDisk IMB SMBT Larger devices may be available in the future Peripherals e Two serial ports software configurable for RS232 422 485 baud rates from 50 to 115200 baud in 16450 and 16550A compatible mode and 1 5 Mbaud in Extended UART mode Parallel port with SPP ECP EPP capability and selectable interrupts and DMA channel PC AT standard keyboard port PC speaker port Real Time Clock requires user supplied external battery for date and time backup Watchdog Timer with time out of 1 2 seconds BIOS RTD Enhanced Award BIOS Directly supports Solid State Disk SSD and M Systems DiskOnChip User configurable using built in Setup program Nonvolatile configuration without a battery Can boot from floppy disk hard disk Solid State Disk or fail safe boot rom Connections AT bus per PC 104 specifications 64 pin CN1 40 pin CN2 Auxiliary Power Connector 12 pin CN3 PS 2 Mouse Connector 4 pin CN4 Multifunction connector 10 pin CN5 Parallel port connector 26 pin CN6 Serial port 1 connector 10 pin CN7 Serial port 2 connector 10 pin CN8 Dual USB port connector 10 pin CN17 Physical Characteristics e Dimensions 3 55 x 3 775 x 0 6 inches x 95 9 x 16mm e Weight mass 3 5 ounces 100 grams e PCB 12 layer mixed surface mount and thru hole Operating environment e P
50. ly appear similar to a conventional hard disk to DOS allowing you to copy delete and rename files without using any special utilities Conventional Solid State Disk can use a variety of memory devices such as Atmel 5 volt only Flash Intel 12 volt Flash AMD 5 volt Flash Static RAM NOVRAM EPROM to create a Solid State Disk When used with Atmel 5 volt Flash SRAM or NOVRAM the SSD appears similar to a read write floppy disk to DOS allowing you to copy delete and rename files in the SSD without using any special utilities When used with other Flash or EPROM you can create file to program the device with the RIMAGE program These methods are described in detail in the following sections 93 94 BIOS Extension Devices You can use BIOS Extension Devices like M Systems DiskOnChip and MCSI PromDisk to im plement a Solid State Disk which can be read and written using normal disk commands Advantages of using these devices include e Storage capacity up to 288 MB per socket more in the future e Full read write capability using standard OS file commands e Integrated support for other operating systems is possible contact M Systems for information Parts supported by the cpuModule include e M Systems 2000 series MD2203 D288 288MB down to 2 MB e Optional alternate operating system versions of the above parts e MCSI PromDisk 72300 4MB e MCSI PromDisk 72301 8MB Our website at www rtdusa com provides
51. nels are to be used by signed to legacy ISA devices or PCI PNP ISA devices e DMA 0 PCI ISA PNP or Legacy ISA DMA 1 PCI ISA PNP or Legacy ISA DMA 2 PCI ISA PNP or Legacy ISA DMA 3 PCI ISA PNP or Legacy ISA DMA 5 PCI ISA PNP or Legacy ISA DMA 6 PCI ISA PNP or Legacy ISA DMA 7 PCI ISA PNP or Legacy ISA PCI IRQ acti Select if PCI interrupts are vated by lt PgUp gt level or lt PgDn gt edge sensitive 66 PNP PCI Configuration Setup Fields Used memory Select the starting address of an upper memory re base address gion to exclude from PCI PNP usage e NA Upper memory not used by legacy ISA devices C800h CC00h DO00h D400h D800h DCO00h Used memory Select the length of an upper memory region to ex length clude from PCI PNP usage e 8 KB e 16KB e 32KB e 64KB 67 Integrated Peripherals Setup Fields The following is a list of Integrated Peripherals Setup fields Integrated Peripherals Setup Fields IDE block Allows the IDE controller to use fast block mode mode to transfer data to and from the hard disk e Enable IDE controller uses block mode e Disable IDE controller does not uses block mode Keyboard in Select the clock to be used for the keyboard con put clock troller e 8 8 MHz Default e 12 12 MHz e 16 16 MHz Onboard Serial Serial port 1 connector CN7 settings Port 1 Disable Serial port not used Auto BIOS OS controls operation 3F8h IRQ 4
52. nnect RXD to TXD A 120 ohm termination resistors is provided on the cpuModule Termi nation is usually necessary on all RS422 receivers and at the ends of the RS485 bus If the termination resistor is required it can be enabled by closing jump er JP2 When using full duplex typically in 422 mode connect the ports as shown in the table below Full Duplex Connections When using half duplex in 485 connect the ports as shown in the table below Half Duplex 485 Mode From To Port 1 TXD Port 1 RXD Port 1 TXD Port 1 RXD Port 1 TXD Port 2 RXD Port 1 RXD Port 2 TXD The following table gives the pinout of connector P5 or CN8 when RS422 or RS485 modes are en abled Connector CN8 in RS 422 485 Mode Pin Signal Function inout DB9 1 Data Carrier 1 Detect Pp 2 T Datta Set Ready 6 Receive Data 4 7 TXD Transmit Data out 38 Connector CN8 in RS 422 485 Mode CRAD Receive Daa c9 ia 8 _ P Reseed 4 P Reeva iY Signal ground Facing the serial port s connector pins the pinout is 9 7 3 1 5 10 8 6 4 2 when using RS422 or RS485 Mode When using the serial port in RS422 or RS485 mode the serial transmitters are enabled and disabled under software control the receivers are always enabled The transmitters are enabled by manipulating the Request To Send RTS signal of the first serial port controller or by I O port 0x18
53. ower supply 5V 5 10 Watts e 686 GX1 or GXLV processor operating temperature 40 to 85 degrees C case with prop er cooling See 686GX233 or 686GX300 Processor Thermal Management e Operating relative humidity 0 to 95 non condensing e Storage temperature 40 to 85 degrees C Power Consumption Exact power consumption depends on the peripherals connected to the board the selected SSD con figuration and the memory configuration The table below lists power consumption for typical configurations and clock speeds Typical Power Consumption CMD6686GX233 5 2 W 64 MB None Internal 233 MHz CMD6686GX300 5 8 W 64 MB None Internal 300 MHz 11 CHAPTER 2 GETTING STARTED For many users the factory configuration of the cpuModule can be used to get a PC 104 system operational If you are one of these users you can get your system up and running quickly by following a few simple steps described in this chapter Briefly these steps are e Connect power e Connect the utility cable e Connect a keyboard e Default Bios Configuration e Fail Safe Boot ROM Refer to the remainder of this chapter for details on each of these steps 13 Basic Connector Locations The figure s and table below show the connectors used in this chapter CMD6686GX IF4 Sor Oooo Oooo oo ooo U1 eRe EEr Etis keke ke Rete tekel eles OOOO OD G COCOA OOOO OOOO OOo a ee a o A AA A A EA A E A D A A D A E A A A A CA A i
54. power Power is normally supplied to the cpuModule through the PC 104 bus connectors CN1 and CN2 If you are placing the cpuModule onto a PC 104 stack that has a power supply you do not need to make additional connections to supply power If you are using the cpuModule without a PC 104 stack or with a stack that does not include a power supply refer to Auxiliary Power CN3for more details Connecting the utility cable The Multifunction connector CN5 implements the following interfaces AT keyboard Speaker output System reset input Battery input To use these interfaces you must connect to the Multifunction connector making sure the orienta tion of pin 1 is correct If you are using the Multifunction cable from our cable kit the cable provides a small speaker a 5 pin circular DIN connector for the keyboard a push button for resetting the PC 104 system and a lithium battery to provide backup power to the Real Time Clock To connect individual devices to the Multifunction connector please see Connecting the utility ca ble 19 Connecting a Keyboard You may plug a PC AT compatible keyboard directly into the circular DIN connector of the Multi function cable in our cable kit Some newer keyboards may use a smaller mini DIN connector you will need an adapter to plug these keyboards into the cpuModule Many keyboards are switchable between PC XT and AT operating modes with the mode usually selected by a switch on
55. ress lines SA0 SA9 This allows 2 or 1024 distinct I O addresses Any add on modules you install must therefore use I O addresses in the range 0 1023 decimal or 000 3FF hex If you add any PC 104 modules or other peripherals to the system you must ensure they do not use reserved addresses listed below or mal functions will occur The table below lists I O addresses reserved for the cpuModule I O Addresses Reserved for the cpuModule Address Range 000H 00FH DMA Controller 010H 01FH Reserved for CPU 020H 021H Interrupt Controller 1 022H 02FH Reserved 040H 043H Timer 060H 064H Keyboard Interface 070H 071H Real Time Clock port 080H 08FH DMA page register OAOH 0A 1H Interrupt controller 2 OCOH ODFH DMA controller 2 OFOH OFFH Math co processor 1FOH 1FFH Hard disk 2F8H 2FFH Serial port 7 378H 37FH Parallel port 3 3BCH 3BFH Parallel port 3 3E8H 3EFH Serial port 3FOH 3F7H Floppy disk 1 Ifa floppy or IDE controller is not connected to the system the I O addresses listed will not be occupied 75 76 Only one of the I O addresses shown for a Serial port is active at any time You can use Setup to select which one is active or to disable it entirely 2 Only one of the I O addresses shown for the Parallel printer port is active at any time You can use Setup to select which one is active or to disable it entirely Hardware Interrupts If you add any PC 104 modules or other peripherals to
56. ress lines SAO to SA19 are valid DACKx Ka DMA ACKnowledge x 0 7 active low used to acknowledge DMA requests DRQx DMA Request x 0 7 these are asynchronous lines used by peripheral devices to request DMA service They have increasing priority from DRQO up to DRQ7 A DMA request is performed by setting the DRQ line high and keeping it high until the corresponding DACK line is ac tivated I ENDXFR T O This is the only synchronous signal of the PC 104 bus and it is active low It indicates that the current bus cycle must be performed with 0 wait states It is used only for 16 bit boards IOCHCHK I I O Channel Check active low indicates an error condition that can not be corrected IOCHRDY I T O Channel Ready this line usually high ready is pulled to a low level by devices which need longer bus cycles IOCS16 I T O Chip Select 16 bit this line active low is controlled by devices mapped in the I O address space It indicates they have a 16 bit bus width IOR T O Read active low indicates when the devices present on the bus can send their information on the data bus IOW T O Write active low When active it allows the peripheral devices to read data present on the data bus IRQx I Interrupt Request x 2 to 15 active on rising edge IRQ15 has top priority the other lines have decreasing priority starting from IRQ14 down to IRQ2 An interrupt request is performed by changing the lev el of the corresponding line from
57. ronous Receiver Transmitter This UART is capable of baud rates up to 115 2 kbaud in 16450 and 16550A compatible mode and 1 5 Mbaud in Enhanced UART mode and includes a 16 byte FIFO Please refer to any standard PC AT hardware reference for the register map of the UART RS232 Serial Port Default The full duplex RS232 mode is the default setting on the cpuModule With this mode enabled the serial port connector must be connected to RS232 compatible devices The following table gives the connector pinout and shows how to connect to an external serial connector either XT DB25 or AT DB9 compatible Facing the serial connector pins the pinout is The following table gives the pinout of the serial port connector when RS232 mode is enabled Connector CN8 in RS 232 Mode Pin f Signal_ Foncion mou DB25 1 bcp Daa CarrierDewr in 8_ 2 sk Data SerReady m __ e crs Clear Fo Send im 5 7 DTR 5 Data Terminal Ready out 20 37 Connector CN8 in RS 232 Mode Ce f R keme f A o0 onb Signal Gromd_ _ 7 RS422 or RS485 Serial Port You may use Setup to configure the second serial port as RS422 or RS485 In this case you must connect the serial port to an RS422 or RS485 compatible device When using RS422 or RS485 mode you can use the port in either half duplex two wire or full duplex four wire configurations For half duplex 2 wire operation you must connect RXD to TXD and co
58. rt 1 CN7 The first serial port is implemented on connector CN7 It is normally configured as a PC compatible full duplex RS232 port but you may use the Setup program to re configure is as half duplex or full duplex or RS485 The I O address and corresponding interrupt must also be selected using Setup The available I O addresses and the corresponding interrupts are shown in the following table First Serial Port Settings First Serial Port UART The first serial port is implemented with a 16550 compatible UART Universal Asynchronous Re ceiver Transmitter This UART is capable of baud rates up to 115 2 kbaud in 16450 and 16550A compatible mode and 1 5 Mbaud in Enhanced UART mode and includes a 16 byte FIFO Please refer to any standard PC AT hardware reference for the register map of the UART RS232 Serial Port Default The full duplex RS232 mode is the default setting on the cpuModule With this mode enabled con nector CN7 must be connected to RS232 compatible devices The following table gives the connec tor pinout and shows how to connect to an external serial connector either DB25 or DB9 compatible Connector CN7 in RS 232 Mode em Sima Funcion moui D525 Des r f DoD Data CanierDeer in 8 1 2 f Dsk DataSerReady m 6 6 e f ers cear Posed m s _ C e R Rimene m 2 o 3 10 ono Signal Gromd 7 f S 34 Facing the serial port s connector pins the pinout is RS422 or RS
59. s to be used ting lt PgDn gt e Enable Enable typematic rate e Disable Disable typematic rate 59 Typematic rate chars sec Typematic delay milliseconds Security option PCI VGA Palette Snoop OS select for DRAM gt 64 MB Report No FDD for Win95 BIOS shadowing 60 BIOS Features Setup Fields lt PgUp gt lt PgDn gt lt PgUp gt lt PgDn gt lt PgUp gt lt PgDn gt lt PgUp gt lt PgDn gt lt PgUp gt lt PgDn gt lt PgUp gt lt PgDn gt lt PgUp gt lt PgDn gt Select the rate at which keys are accelerated 6 6 characters per second 8 8 characters per second 10 10 characters per second 12 12 characters per second 15 15 characters per second 20 20 characters per second 24 24 characters per second 30 30 characters per second Select the delay between when the key was first pressed and when acceleration begins e 250 250 milliseconds 500 500 milliseconds 750 750 milliseconds 1000 1000 milliseconds Limit access with password to the system and setup or just setup e System The system will not boot and access to setup will be denied if the correct password is not entered at the prompt Setup The system will boot but access to set up will be denied if the correct password is not entered at the prompt Note To disable security select Password setting at the main menu an
60. st be delayed to allow for the completion of the I O SDRAM CAS lt PgUp gt 3T Latency time lt PgDn gt i a SDRAM Clock lt PgUp gt 4 Ratio Div By lt PgDn gt 3 16 bit I O recov lt PgUp gt Set the recovery time for 16 bit I O cycles Selec ery Clocks lt PgDn gt tion is from 1 to 16 clocks Default is 5 8 bit I O recov lt PgUp gt Set the recovery time for 8 bit I O cycles Selection ery Clocks lt PgDn gt Jis from 1 to 16 clocks Default is 5 USB Controller lt PgUp gt Enable lt PgDn gt e Disable USB Legacy lt PgUp gt Enable Support lt PgDn gt Disable 62 Power Management Setup Fields The following is a list of Power Management Setup fields Power Management Setup Fields Power manage k Select power management mode ment Disable Power management off Min Saving Minimum power savings maxi mum performance Max Saving Maximum power savings mini mum performance User Defined User selects the power manage ment functions to suit the application Doze Mode Z Select inactivity time delay before entering doze mode Disable Doze mode off 1 1 Second 2 2 Seconds 4 4 Seconds 8 8 Seconds 10 10 Seconds 12 12 Seconds 15 15 Seconds 16 16 Seconds Standby Mode deh o inactivity time delay before entering standby mode pee e Disable Standby mode off e 1 Minute e 2 2 Minutes e 4
61. t PgUp gt lt PgDn gt Sets the date with the format e month day year e You must connect a backup battery or this setting will be lost at power down Sets the time with the format e hour minute second e You must connect a backup battery or this setting will be lost at power down Selects the IDE hard disk type for each interface An interface must have a master before a slave can be added Make sure you configure the drive jumpers correctly Selections are None Auto Auto detect drive parameters not all drives can be auto detected 1 45 Standard drive types USER User enters drive parameters Selects the format of each floppy disk Selections are None 360 KB 544 Floppy 1 2 MB 514 Floppy 720 KB 31 2 Floppy 1 44 1 25 MB 31 2 Floppy 2 88 MB 3 2 Floppy All But Keyboard All But Diskette All But Disk Key All Errors No Errors BIOS Features Setup The following is a list of BIOS Features Setup fields BIOS Features Setup Fields Enable or disable virus warning e Enable Warn if boot sector or partition table is being modified e Disable Allow boot sector or partition table modification Virus warning lt PgUp gt lt PgDn gt Enable or disable CPU internal cache e Enable Enable CPU internal 16 KB cache e Disable Disable CPU internal 16 KB cache CPU Internal lt PgUp gt Cache lt PgDn gt Enable or disable quick boot e Enable Skip or s
62. t significant bit while SA19 is the most significant bit This active low signal indicates a transfer of the most significant data byte SD15 SD8 Data bits these are the high byte data bus lines SD8 is the least sig nificant bit SD15 the most significant bit Data bits these are the low byte data bus lines SDO is the least sig nificant bit SD7 the most significant bit SMEMR ee Memory Read command active low SMEMW Peel Memory Write command active low SYSCLK Ka System Clock 8 0MHz with a 50 duty cycle Only driven during ex ternal bus cycles TC Terminal Count this line is active high and indicates the conclusion of a DMA transfer 49 PC 104 Bus Termination Termination of PC 104 bus signals is not recommended since this cpuModule incorporates source termination on bus signals and may cause malfunctions of the cpuModule 50 CHAPTER 4 CONFIGURING THE CPUMODULE BIOS SETUP This chapter contains information to configure the cpuModule Topics covered in this chapter include e Entering Setup e Default Configuration e Disabling Fail Safe Boot ROM e Configuring Using the Setup Program e Adding SSD Memory 51 Entering the BIOS Setup e Apply power to the system e Repeatedly press the DEL key to enter setup e Another way applies if you have a floppy attached When the floppy is accessed for the first time a sound will come from the floppy press the DEL key once 52 Default Configura
63. tery Input The following table gives the pinout of the Multifunction connector Multifunction Connector CN5 Sona Fonon imow SPKR Speaker output open collector SPKR Speaker output 5 volts S Ee SW 7 C Not Connected Facing the connector pins the pinout is 9 7 5 3 1 KBP KBC STBY SPKR SW 10 8 6 4 2 Speaker A speaker output is available on pins 1 and 2of the Multifunction connector These outputs are con trolled by a transistor to supply 0 1 watt of power to an external speaker The external speaker should have 8 ohm impedance and be connected between pins 1 and 2 Keyboard An AT compatible keyboard can be connected to the Multifunction connector Usually PC key boards come with a cable ending with a 5 pin male DIN connector The following table lists the relationship between the Multifunction connector pins and a standard DIN keyboard connector To ensure correct operation check that the keyboard is either an AT compatible keyboard or a swit chable XT AT keyboard set to AT mode Switchable keyboards are usually set by a switch on the back or bottom of the keyboard 42 System Battery Keyboard Connector Pins on CN5 Keyboard Data Keyboard Power 5 Volts Fin f Siona EEE 6 Kae f Koyo Ce Reset Pin 3 of the multifunction connector allows connection of an external push button to manually reset the system The push button should be normally open and conn
64. the back or bot tom of the keyboard For correct operation with this cpuModule you must select AT mode 20 Connecting to the PC 104 Bus The PC 104 bus connectors of the cpuModule are simply plugged onto a PC 104 stack to connect to other devices We recommend you follow the procedure below to ensure that stacking of the modules does not damage connectors or electronics WARNING Do not force the module onto the stack Wiggling the module or apply ing too much pressure may damage it If the module does not readily press into place remove it check for bent pins or out of place keying pins and try again e Turn off power to the PC 104 system or stack e Select and install standoffs to properly position the cpuModule on the PC 104 stack e Touch a grounded metal part of the rack to discharge any buildup of static electricity e Remove the cpuModule from its anti static bag e Check that keying pins in the bus connector are properly positioned e Check the stacking order make sure an XT bus card will not be placed between two AT bus cards or it will interrupt the AT bus signals e Hold the cpuModule by its edges and orient it so the bus connector pins line up with the matching connector on the stack e Gently and evenly press the cpuModule onto the PC 104 stack Booting the cpuModule for the First Time You can now apply power to the cpuModule You will see a greeting message from the VGA BIOS and then e the cpu
65. the system you must ensure they do not use interrupts needed by the cpuModule or malfunctions will occur The cpuModule supports the standard PC interrupts listed below Interrupts not in use by hardware on the cpuModule itself are listed as available Hardware Interrupts Used on the cpuModule a On board ISA device On board ISA device On board ISA device On board ISA device On board ISA device Floppy 1 XT bus Real Time Clock On board ISA device available routed to IRQ XT bus 2 IDE hard disk AT bus Floppy disk interrupt INT6 is available for use if no floppy disk is present in the system and flop py disk is disabled in Setup 2 Hard disk interrupt INT 14 is available for use if no hard disk drive is present in the system and hard disk is disabled in Setup 77 The RTD Enhanced Award BIOS 78 The RTD Enhanced Award BIOS Basic Input Output System is software that interfaces hardware specific features of the cpuModule to an operating system OS Physically the BIOS software is stored in a Flash EPROM on the cpuModule Functions of the BIOS are divided into two parts The first part of the BIOS is known as POST Power On Self Test software and it is active from the time power is applied until an OS boots begins execution POST software performs a series of hardware tests sets up the machine as defined in Setup and begins the boot of the OS The second part of the BIOS is known as the CORE B
66. tion In addition to the Setup configuration stored on the board the cpuModule has a permanent default configuration The system will resort to using this default if an error occurs when accessing the EPROM which holds the Setup on the module The default configuration is listed below Function IDE Interface 0 Master IDE Interface 0 Slave IDE Interface 1 Master IDE Interface 1 Slave Boot device BIOS Extension Floppy Drive Floppy Drive 2 Serial port Serial port 2 Parallel Pon Keyboard USB Boards are shipped with fail safe boot rom enable See the chapter on Configuring the cpuModule BIOS setup in Disabling Fail Safe Boot ROM for the method to disable it When Fail Safe Boot ROM is enabled the system will boot to it exclu sively 53 Disabling Fail Safe Boot Rom 54 Reset the system by either shutting it off and turning it on or by using the reset button while the system is booting repeatedly press the DEL key to enter the BIOS setup Choose INTEGRATED PERIPHERALS using the arrow keys and enter Once in INTEGRATED PERIPHERALS set Fail Safe Boot in SSD Win Disabled Installing SSD Memory This section explains how to add SSD devices to the cpuModule This procedure is only necessary when you wish to add or change Solid State Disk memory devices You may wish to install SSD memory to use the cpuModule as a diskless stand alone device Refer to Storing Applications On board for more information on various SSD
67. um of CMOS is incorrect This can indicate that CMOS has become corrupt This error may have been caused by a weak battery Check the battery and replace if necessary DISK BOOT FAILURE INSERT SYSTEM DISK AND PRESS ENTER No boot device was found This could mean that either a boot drive was not detected or the drive does not contain proper system boot files Insert a system disk into Drive A and press lt Enter gt If you assumed the system would boot from the hard drive make sure the controller is inserted correct ly and all cables are properly attached Also be sure the disk is formatted as a boot device Then re boot the system DISKETTE DRIVES OR TYPES MISMATCH ERROR RUN SETUP Type of diskette drive installed in the system is different from the CMOS definition Run Setup to reconfigure the drive type correctly DISPLAY SWITCH IS SET INCORRECTLY The display switch on the motherboard can be set to either monochrome or color This indicates the switch is set to a different setting than indicated in Setup Determine which setting is correct and then either turn off the system and change the jumper or enter Setup and change the VIDEO selec tion DISPLAY TYPE HAS CHANGED SINCE LAST BOOT Since last powering off the system the display adapter has been changed You must configure the system for the new display type EISA Configuration Checksum Error ERROR ENCOUNTERED INITIALIZING HARD DRIVE Hard drive cannot be initialized
68. ure proper operation use the format command with a size parameter just over the total size of the installed SSD memory For example if you install 256 Kbytes of SRAM you should use format with the parameters for a 360 Kbyte floppy disk For ex ample ROM DOS format b u n 9 t 40 MS DOS format b f 360K See your DOS manual for details on the format command and its parameters Installing a Conventional SSD using EPROM or Flash other than Atmel 96 EPROMs or Flash EPROMs for an SSD must be programmed externally to the cpuModule using an EPROM programmer and following the procedure below To install an EPROM SSD you should follow this procedure e Apply power to the cpuModule and run Setup e Set Diskette A or B to the appropriate EPROM or Flash type e Set SSD Window to a value which will not conflict with other hardware or software e Save your changes and exit Setup e Follow the instructions for the RIMAGE program in the Phoenix BIOS Users Manual to create a file and program it into the device with your EPROM programmer e Boot the cpuModule After booting the Solid State Disk will be seen by the system as a write protected floppy DOS com mands normally used to read floppy disks will work with the SSD Directly Accessing the Solid State Disk If you wish to directly access the Solid State Disk of the cpuModule contact the factory for additional information on doing so 97 98 CHAPTER 6 HARDWARE REFERENCE
69. ver a serial port REMSERV makes the connection appear as an additional drive to the user For details concerning this type of access please refer to the ROM DOS user s guide shipped with your board Boards are shipped with fail safe boot rom enable When Fail Safe Boot ROM is enabled the system will boot to it exclu sively The first time your system will boot to the DOS prompt at the first available drive letter If you do not intend to use REMSERV or REMDISK or you intend to boot from another device you will need to dis able Fail Safe Boot ROM See the steps below for the method to disable it Reset the system by either shutting it off and turning it on or by using the reset button while the system is booting repeatedly press the DEL key to enter the BIOS setup Choose INTEGRATED PERIPHERALS using the arrow keys and enter Once in INTEGRATED PERIPHERALS set Fail Safe Boot in SSD Win Disabled 23 If You Misconfigure the couModule It is possible that you may incorrectly configure the cpuModule using Setup If this happens the cor rect procedure is e Start Re booting the cpuModule e While the system is re booting repeatedly press the Del key until the cpuModule enters Set up e Change the parameters to correctly match your system If the above fails e Insert jumper JP5 This will force the cpuModule to boot using fail safe boot rom e Boot the cpuModule e Press the delete key to enter Setup 24 For More In
70. your changes and exit Setup Turn off the cpuModule Install the memory device into the socket Reboot the cpuModule The SSD should appear as the next available drive in your system e Format the SSD using the DOS format command e If you wish to boot from the SSD make it diskette A Installing a Conventional SSD using SRAM or NOVRAM When the Solid State Disk is composed of SRAM or NOVRAM it appears as a read write disk and may be read and written using normal DOS disk commands To install an SRAM or NOVRAM SSD you should follow this procedure e Apply power to the cpuModule and run Setup e Set Diskette A or B to the appropriate SRAM or NOVRAM device type e Set SSD Window to a value which will not conflict with other hardware or software Save your changes and exit Setup Turn off the cpuModule Install the memory device into the cpuModule socket Reboot the cpuModule The SSD should appear as the next available drive in your system Format the SSD using the DOS format command If you wish to make the SSD bootable you must format it using the s switch of the format command Refer to your DOS manual for more information on the format command If you wish to boot from the SSD make it diskette A Notes on Formatting an SRAM or NOVRAM SSD For most purposes you can format the SRAM or NOVRAM SSD as you would a 1 44MB floppy using a command line similar to format b u To get the most possible space in the disk and ens

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