SBC-411/411E
Contents
1. 10 internal keyboard E E E E PC 104 connector E a E E E E E M48T86PCI Ex EJ EJ FEX Xj 96 AMI Flash BIOS gt JP2 000000000000000 U10 EN 000000000000000 E E k eg E E E E FE E E E I vXQ 98 23 Up to 32MB DRAM 99 Chapter 2 Installation 11 Setting jumpers You configure your card to match the needs of your application by setting jumpers A jumper is the simplest kind of electric switch It consists of two metal pins and a small metal clip often protected by a plastic cover that slides over the pins to connect them To close a jumper you connect the pins with the clip To open a jumper you remove the clip Sometimes a jumper will have three pins labeled 1 2 and 3 In this case you would connect either pins 1 and 2 or 2 and 3 2 1 Open Closed Closed 2 3 The jumper settings are schematically depicted in this manual as follows 123 Ge Closed Closed 2 3 A pair of needle nose pliers may be helpful when working with jumpers If you have any doubts about the best hardware configuration for your application contact your local distributor or sales representa tive before you make any changes General2. 27 General information 1 2 28 Starting AMIBIOS setup 28 AMIBIOS main menu 0022 000000 111 28 Using a mouse with AMIBIOS setup 29 Using the keyboard with AMIBIOS 29 Standard 30 Advanced 32 Chipset 38 Power Management Setup 41 A AAA A 43 Peripheral 47 OIEI T 49 Utility teet 53 Default ee 54 Exiting 8 202022546 55 Chapter 4 Flat Panel CRT Controller Display Drivers A A 57 Ethernet software configuration 1 58 Appendix A Watchdog Timer Demo Program 59 Programming watchdog timer 60 Appendix Installing PC 104 Modules 61 Installing PC 104 2 4 62 General Information This chapter gives background informa tion on the SBC 411 411E Sections include Card specifications Board layout Introduction 2 The SBC 41 1 41 1E is an all in one single board 486 computer with an on board PCI Ethernet interface SBC 411E It packs all the functions
3. E 1 1 9 Select option you desire and system will continue its bootup sequence Chapter 3 AMIBIOS setup 55 56 SBC 411 411E User Manual CHAPTER Ethernet Software Configuration This chapter details the Ethernet software configuration information It shows you how to configure the card to match your application requirements Ethernet software configuration The onboard Ethernet interface supports all major network operating systems addresses and interrupts are easily configured via the Award BIOS Setup To configure the medium type to view the current configuration or to run diagnostics please refer to the following isntructions 1 Power on the mainboard on Ensure that the RSET8029 EXE file is located in the working drive 2 Atthe prompt type RSET8029 EXE and press lt Enter gt The Ethernet configuration program will then be displayed 3 This simple screen shows all the available options for the Ethernet interface Just highlight the option you wish to change by using the Up and Down keys To change a selected item press lt Enter gt and a screen will appear with the available options Highlight your option and press lt Enter gt Each highlighted option has a helpful message guide displayed at the bottom of the screen for additional information 4 After you have made your selections and the configuration is what you want press ESC A
4. SBC 411 411E Half size 486 All in One CPU Card with Cache 5 THIS DEVICE COMPLIES WITH PART 15 FCC RULES OPERA TION IS SUBJECTTO THE FOLLOWING TWO CONDITIONS 1 THIS DEVICE MAY NOT CAUSE HARMFUL INTERFER ENCE 2 THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED INCLUDING INTERFERENCE THAT MAY CAUSE UNDESIRED OPERATION THIS EQUIPMENT HAS BEEN TESTED AND FOUND TO COMPLY WITH THE LIMITS FOR A CLASS A DIGITAL DEVICE PURSUANT TO PART 15 OF THE FCC RULES THESE LIMITS ARE DESIGNED TO PROVIDE REASON ABLE PROTECTION AGAINTST HARMFUL INTERFER ENCE WHEN THE EQUIPMENT 15 OPERATED IN A COMMERCIAL ENVIRONMENT THIS EQUIPMENT GENER ATES USES AND CAN RADIATE RADIO FREQENCY ENERGY AND IF NOT INSTATLLED AND USED IN ACCOR DANCE WITH THE INSTRUCTION MANUAL MAY CAUSE HARMFUL INTERFERENCE TO RADIO COMMUNICA TIONS OPERATION OF THIS EQUIPMENT IN A RESIDEN TIAL AREA IS LIKELY TO CAUSE HARMFUL INTERFER ENCE IN WHICH CASE THE USER WILL BE REQUIRED TO CORRECT THE INTERFERENCE AT HIS OWN EX PENSE Copyright Notice This document is copyrighted 1998 by AAEON Technology Inc All rights are reserved AAEON Technology Inc reserves the right to make improvements to the products described in this manual at any time without notice No part of this manual may be reproduced copied translated or transmitted in any form or by any means without the prior written permission of AAEON Technology Inc Informati
5. 00 16 Shadow Disabled 0000 16 Shadow Disabled D400 16K Shadow Disabled 0800 16 Shadow Disabled DC00 16K Shadow Disabled E000 64K Shadow Disabled These options control the location of the contents of the 16KB of ROM beginning at the specified memory location If no adaptor ROM is using the named ROM area this area is made available to the local bus The settings are Setting Description Shadow The contents of C0000h C3FFFh written to the same address in system memory RAM for faster execution Cache The contents of the named ROM area are written to the same address in system memory RAM for faster execution if an adaptor ROM will be using the named ROM area Also the contents of the RAM area can be read from and written to cache memory Disabled The video ROM not copied to RAM The contents of the video ROM cannot be read from or written to cache memory The default setting is Cache Chapter 3 AMIBIOS setup 37 Chipset Setup This section allows you to configure the system based on the specific features of the installed chipset This chipset manages bus speeds and access to system memory resources such as DRAM and the external cache Itis recommended to set the Auto Config Function to Enabled which selects pre defined values for DRAM and cache timing according to CPU type amp system check The only time you might consider making any changes would be if you dis
6. AMIBIOS main menu The AMIBIOS setup screen appears as follows IPIS RU here te As al tim II AOS 28 SBC 411 411E User Manual Using mouse with AMIBIOS setup AMIBIOS Setup can be accessed via keyboard mouse The mouse click functions are single click to change or select both global and current fields double click to perform an operation in the selected field Using the keyboard with AMIBIOS setup AMIBIOS Setup has a built in keyboard driver that uses simple keystroke combinations Keystroke Function lt tab gt Move to the next window or field V Move to next field which is to the right left above or below lt ENTER gt Select the current field Increment a value Decrement value lt ESC gt Close the current operation and return to the previous level lt PgUp gt Return to the previous page lt PgDn gt Advance to the next page lt Home gt Return to the beginning of the text lt End gt Advance to the end of the text lt ALT gt H Access a help window lt ALT gt lt Spacebar gt Exit AMIBIOS Setup Alphabetic keys A to Z are used in the virtual keyboard and are not case sensitive Numeric keys 0 to 9 are in the virtual keyboard and numeric keypad Chapter 3 AMIBIOS setup 29 standard Setup The AMIBIOS
7. Frriphrra Serial Porte Poel Cmn Parallel Fort Faralish Fart mode Farallel Part E Onboard FDC This option enables the floppy drive controller on the motherboard The settings are Auto Enabled or Disabled Onboard Serial Port1 This option enables serial port 1 on the motherboard and specifies the base I O port address for serial port 1 The settings are Auto Disabled 3F8h 2F8h 3E8h or 2E8h Onboard Serial Port2 This option enables serial port 2 on the motherboard and specifies the base I O port address for serial port 2 The settings are Auto Disabled 3F8h 2F8h 3E8h or 2E8h Chapter 3 AMIBIOS setup 47 48 Onboard Parallel Port This option enables the parallel port on the motherboard and specifies the parallel port base 1 O port address The settings are Auto Disabled 378 278 or 3BC Parallel Port Mode This option specifies the parallel port mode ECP and EPP are both bidirectional data transfer schemes that adhere to the IEEE P1284 specifications The settings are Setting Description Normal The normal parallel port mode is used EPP The parallel port can be used with devices that adhere to the Enhanced Parallel Port EPP specification EPP uses the existing parallel port signals to provide asymmetric bidirectional data transfer driven by the host device ECP The parallel port can be used with devices that adher
8. PCI 10Base T Power connector Parallel port connector E E HEY COM2 5 E PC 104 connector m COM1 E pes D M48T86PCI UI le AMIFlash interface E BIOS ALi Lg Z8v1IN ic i Chipset Socket for DiskOnChip IDE m ph E connector E 486 ut DX5 133 CPU ALi Chipset 1 PXQ Des uw Up to 32MB O DRAM 6 SBC 411 411E User Manual dimensions Ux 98 50 19 50 3 0 E 122 00 ry y y Chapter 1 General Information 7 8 SBC 411 411E User Manual CHAPTER Installation This chapter describes how to set up the SBC 411 411E hardware including instructions on setting jumpers and connecting peripherals switches and indicators Be sure to read all safety precautions before you begin the installa tion procedure Jumpers and connectors Connectors on the board link it to external devices such as hard disk drives a keyboard or floppy drives In addition the board has a number of jumpers that allow you to config
9. 3 0 ms 3 5 ms System Hidden Refresh 15 ms 30 ms 60 ms 120 ms Cx5x86 Linear Wrapped Mode Disabled Enabled 40 SBC 411 411E User Manual Power Management Setup The Power Management setup offers options to help reduce power consumption You can choose the Power Mgmt icon from the AMIBIOS Setup main menu and see the options in this group as shown below AFA 1 Enel sah Bere Bode m Pin Timwsout E min Hara Made 5 mia Exa pect Dale Time Update Enabled Esant AS board Eseni br IEG HDDS TS LFTCODGH Ford Dod kabel Exen Fras pag l Bisskied Peer PanagesenT Feature Chapter 3 AMIBIOS setup 41 Berd Gish Time Cui 1 Timzklmd Dem VEA In 1 7303 1 9 1 nus 1 T im 1 R ddkded T Micah oBu ckk sd iris Feuer Features 0 bisskied IPTE Disabled D Disakimd Disabled Disabled Dirablad ad as ana Frame t arts B Power Management Mode APM Funtion Set this option to Enabled to enable the power management and APM Advanced Powed Management features 42 5 411 411 User Manual PCI PnP Setup PCI PnP Setup options
10. address range of C800 to 000 You should ensure this does not conflict with any other device s memory address JP2 controls the memory address of the Flash disk refer to the DiskOnChip U10 please DiskOnChip address select 2 0 0000 0400 1002 1 2 1002 3004 3004 36 04 5006 5006 5006 0800 0 00 1 92 1002 30091 3004 5008 5 6 6 default Clear CMOS JP3 You can connect an external switch to clear the CMOS This switch closes JP3 and turns off the power at which time the CMOS setup can be cleared Clear CMOS JP3 Protect default Clear CMOS e 24 SBC 411 411E User Manual DiskOnChip socket U10 The DiskOnChip 2000 family of products provides a single chip solid state flash disk in a standard 32 pin DIP package The DiskOnChip 2000 is a solid state disk with no moving parts resulting in a significant reduction in power consumption and an increase in reliability The DiskOnChip is a small plug and play Flash disk It is easy to use and saves integration overhead The DiskOnChip 2000 family of products 15 available in capacities ranging from 2MB up to 72 MB unformatted Therefore the same socket on the target platform will not have to be changed In order to manage the disk the DiskOnChip 2000 includes TrueFFS M Systems Flash File System proprietary software The
11. below 1 Supporting the SIMM with a finger use a pen or a similarly shaped object and press one retaining clip straight down 2 Repeat for the other side When released the retaining clips will push the SIMM up and out of its upright position 3 Carefully pull the SIMM out of the socket with your fingers 14 SBC 411 411E User Manual hard drive connector 1 You can attach up to two Enhanced Integrated Device Electronics IDE hard disk drives to the SBC 411 411E internal controllers The card comes with a 40 pin cable Connecting the hard drive Wire number 1 on the cable is red or blue and the other wires are gray 1 Connect one end of the cable to CN1 on the CPU card Make sure that the red or blue wire corresponds to pin 1 on the connector which is labeled on the board on the right side 2 Plug the other end of the cable to the Enhanced IDE hard drive with pin 1 on the cable corresponding to pin 1 on the hard drive See your hard drive s documentation for the location of the connector Unlike floppy drives you can make the connections with any of the connectors on the cable If you install two drives you will need to set one as the master and the other as the slave You do this using jumpers on the drives If you install just one drive set it as the master Chapter 2 Installation 15 Pin assignments The following table lists the pin numbers and their respective signals 40 Pin IDE hard d
12. for 5 seconds after sending a RESET signal to the IDE drive to allow the IDE drive time to get ready again 32 5 411 411 User Manual BootUp Sequence This option sets the sequence of boot drives floppy drive A hard disk drive C or a CD ROM drive that the AMIBIOS attempts to boot from after AMIBIOS POST completes The settings are CDROM CDROM A C A C CDROM BootUp Num Lock Set this option to Offto turn the Num Lock key off when the computer is booted When it is off you can use the arrow keys on both the numeric keypad and the keyboard The settings are On or Floppy Drive Swap Set this option to Enabled to permit drives A and B to be swapped The settings are Enabled or Disabled Floppy Drive Seek Set this option to Enabled to specify that floppy drive A will perform a seek operation at system boot The settings are Disabled or Enabled System Keyboard This option specifies that a keyboard is attached to the computer The settings are Present or Absent Primary Display This option specifies the type of display monitor and adapter in the computer The settings are Mono CGA40x25 80 25 VGA EGA or Absent Password Check This option enables password checking every time the computer is powered on or every time AMIBIOS Setup 15 executed If Always 15 chosen a user password prompt appears every time the computer 15 turned on If Setup 15 chosen the password prompt appears if
13. of an industrial computer and its display capabilities into a single half size card This means the SBC 411 411E is your absolute best solution for embedded applications The onboard Ethernet Realtek RTL 8029AS PCI bus Ethernet controller supports remote boot ROM functions SBC 411E only The SBC 411 411E supports the M Systems DiskOnChip 2000 optional which is a new generation of high performance single chip Flash Disk It provides a Flash Disk as a BIOS expansion which doesn t require any bus slots or connectors It is also the optimal solution for Single Board Computers because of its small size easy integration plug and play functionality and its low power consumption The DiskOnChip is available in capacities from 2MB to 72MB and fits in a standard 32 pin DIP socket Another feature of the SBC 411 411E is the inclusion of a high speed local bus IDE controller This controller supports through ATA PIO mode 3 and mode 4 hard disks enabling data transfer rates in excess of 11 MB second Up to four IDE devices can be connected including large hard disks CD ROM drives tape backup drives or other IDE devices The built in enhanced IDE controller provides a 4 layer 32 bit posted write buffer and a 4 layer 32 bit read prefetch buffer to boost IDE performance Onboard features include two high speed RS 232 serial ports one bidirec tional SPP EPP ECP parallel port and a floppy drive controller In addition to 486 s 16
14. pin adapter for keyboard 1 3 Hard disk drive IDE interface cable 40 pin 1 Floppy disk drive interface cable 34 pin 1 Parallel port adapter 26 pin and COM port 10 9 Pin adapter kit 1 Serial port adapter 10 to 9 pin PC 104 Module mounting supports 1 Ethernet 8029 Utility Driver Disk for SBC 411E only 1 bag of screws and miscellaneous parts If any of these items are missing or damaged contact your distribu tor or sales representative immediately Notice Dear Customer Thank you for purchasing the 5 411 4 board The user manual 15 designed to help you get the most out of the SBC 411 411E please read it thoroughly before you install and use the board The product that you have purchased comes with a one year warranty but AAEON cannot be responsible for misuse of the product Therefore we strongly urge that the first read the manual before using the product To receive the lastest version of the user manual please visit our Web site at Taiwan www aaeon com tw U S A www aaeon com Contents Chapter 1 General Information 1 IA AAA 2 Fettes ETE 3 Specifications 4 Board e M 6 dimensions eroe coe ree Deep ro eue ne T HO 7 Chapter 2 Installation 9 Jumpers and connectors eee ee
15. AMIBIOS is executed Chapter 3 AMIBIOS setup 33 Parity Check Set this option to Enabled to check the parity of all system memory The settings are Enabled or Disabled 05 2 Compatible Mode Set this option to Enabled to permit AMIBIOS to run with IBM OS 2 The settings are Enabled or Disabled DEL Dirrie toW sme sd Cooke Bartes Bich i Dent Dis 1 I Piresi 15 hades i cop 14 Shade ira Ead Fwaturss Wait For If Error AMIBIOS POST error messages are followed by Press lt F1 gt to continue If this option is set to Disabled AMIBIOS does not wait for you to press the lt F1 gt key after an error message The settings are Enabled or Disabled Hit Message Display Set this option to Disabled to prevent the message Hit lt DEL gt if you want to run Setup from appearing on the first AMIBIOS screen when the computer boots The settings are Enabled or Disabled 34 58 411 411 User Manual Internal Cache This option specifies the caching algorithm used for the L1 internal cache memory The settings are Setting Description Disabled Neither L1 internal cache memory on the CPU nor 12 cache memory is enabled WriteBack Use the write
16. DOC may be permanently damaged ifitis installed incorrectly 3 Set the jumper for the memory address of the DOC Note The memory shadow function sometimes will create conflicts with the memory window You should disable the memory shadow from the BIOS SETUPifthe DOC cannot be accessed Configure DOC as a boot device To configure a DOC as a boot drive you should copy the operating system files into the DOC The following procedure is an example of the initialization process 1 Install a DOC into your system 2 Insert a bootable floppy disk in drive A and boot the system 3 Atthe DOS prompt type SYS C to transfer the DOS system files to the DOC assuming the DiskOnChip is installed as drive C Reboot the system 4 Goto the BIOS Setup Utility by hitting the lt DEL gt key Set the type of Primary Master or C Drive as Not Installed 5 Remove the floppy disk from the drive A and leave the BIOS Setup Utility The system should boot from the DOC 26 SBC 411 411E User Manual CHAPTER AMIBIOS Setup This chapter describes how to configure the BIOS General information The AMIBIOS Setup program configures system information that is stored in CMOS RAM Unlike conventional BIOS setup grams AMIBIOS features an easy to use graphical interface Starting AMIBIOS setup As POST executes the following appears Hit lt DEL gt if you want to run SETUP Press lt DEL gt to run the AMIBIOS setup program
17. DiskOnChip 2000 package is pin to pin compatible with standard 32 pin EPROM pin Name Description Pin Number Direction 0 12 Address bus 4 12 23 25 27 Inputs A13 A16 Address bus 2 3 28 29 Inputs 00 07 Data bus 13 15 17 21 Chip Enable 22 Output Enable 24 Write Enable 31 Not connected 1 30 Power device NC 32 VCC 16 12 311 A15 13 30 1 NC 12 14 29 A14 ATL 15 28 A13 6 16 2717 AS 7 2200 0 281 149 A 18 251 19 24 DE 110 23 1 10 11 221 CE 12 21 107 113 201 106 14 191 D5 2 15 181 D4 116 1717 D3 Figurel MD2200 Pin out Ground Note 1 Pins A13 through 16 are not used by the MD2200 They are kept for socket backward compatibility with ED 1100 DiskOnChip 1000 Note 2 Pins 1 and 30 are not used by MD2200 Refer to the instructions for configuring the DOC address setting JP2 Chapter 2 Installation 25 DiskOnChip DOC 2000 Installation When the DOC is installed correctly a DOC will work like a HDD or a FDD To install the DOC on the mainboard follow the instruc tions below 1 Plug the DOC into the socket Make sure pin 1 of the DOC is aligned with pin 1 of the socket 2 Push the DOC into the socket until it is firmly seated in the socket Caution the
18. KB of on chip cache memory the SBC 411 411E includes an extra 128 KB of L2 onboard cache memory If program execution is halted by a program bug or EMI the board s watchdog timer can automatically reset the CPU or generate an interrupt This ensures reliability in unmanned or standalone systems SBC 411 411E User Manual configuration display and Ethernet SBC 41 1E is done through software A single Flash chip holds the system BIOS VGA BIOS This minimizes the number of chip and eases configuration You can change the display BIOS or install a boot ROM simply by program ming the Flash chip The SBC 411 411E supports 5 V EDO DRAM It also provides one 72 pin SIMM Single In line Memory Module sockets for its onboard system DRAM These sockets give you the flexibility to configure your system from 4 MB to 32 MB of DRAM using the most economi cal combination of SIMMs Features e CPU AMD DX5 133 CPU SQFP Half size ISA bus CPU card BIOS AMI Flash BIOS Chipset ALiM1489 M1487 e Level2 cache Onboard 128KB L2 cache DiskOnChip One 32 pin DIP socket supports the M Systems DiskOnChip 2000 Series memory capacity from 2MB to 72MB Ethernet Interface SBC 411E Supports 10Base T remote boot ROM function Chapter 1 General Information 3 Specifications CPU AMD DX5 133 SQFP Type Bus Interface ISA bus BIOS AMI Flash BIOS Chipset ALi 1489 1487 System memory 4MB to 32MB One 72 pin
19. SIMM socket onboard supports BEDO EDO Fast Page DRAM L2 cahce memory F D D Onbaord 128KB L2 cache memory Supports up to two floppy disk drives 5 25 360KB and 1 2MB and or 3 5 720 1 44MB and 2 88MB Enhanced IDE Supports two hard disk drive Supports PIO mode 3 4 Multi mode parallel port Configured to LPT1 LPT2 LPT3 or disabled Supports SPP ECP and EPP modes Serial port Two RS 232 ports Ports can be individually configured from COMI to or disabled Keyboard connector 6 pin mini DIN connector supports standard PC AT keyboard Ethernet controller SBC 411E Realtek RTL8029AS 10 Base PCI Bus Ethernet controller Etherent Interface Software drivers available Supports remote boot ROM function SSD interface One 32 pin DIP socket supports the M Systems DiskOnChip 2000 series memory capacity from 2MB to 72MB PC 104 connector 104 pin connector for a 16 bit bus Watchdog Timer Can generate a system reset or IRQ15 The time interval is software selectable 2sec 128min 1sec step DMA channels 7 Interrupt levels 15 Power management I O Peripheral devices support power saving and doze standby suspend modes 4 SBC 411 411E User Manual Power supply voltage 5V 4 75V to5 25V 12V 11 4V to 12 6V Max power requirement 5V 3A Operating temperature 3210140 0 to 60 C Board size 7 3 L x 4 8 W 185mm x 122mm Weight 0 23 kg Chapter 1 General Information 5 Board layout
20. Setup options described in this section are selected by choosing the Standard icon from the AMIBIOS Setup window as shown below The Standard Setup screen appears miran APO Setar 20 fac marier Esc cm bate Tiss Flore Currems Eethieg Inweballmd Hele Primary Master Slave Disk Secondary Master Slave Disk Select these icons to configure the hard disk type you are using for the master and the slave The settings have not been pre installed When you click on an icon the following parmeters are listed Type LBA Large Mode Block Mode 32 bit Mode and PIO Mode If you are configuring a drive with drive parameters that do not match drive types 1 46 you can select the User in the Type field Cyl number of cylinders Hd number of headers WP starting write precompensation cylinder number of sectors Size drive capacity 30 SBC 411 411E User Manual Date and Time Configuration Select the Date and Time icon in the Standard setup The current values for each category are displayed Enter new values through the keyboard or hit or key to change values Floppy A Floppy B Select these icons to configure the type of floppy drive that 15 attached to the system 360 KB 5 1 4 1 2 MB 5 1 4 720 KB 3 1 2 1 44 MB 3 1 2 and or 2 88 MB 3 1 2 The settings have not been pre installed Chapter 3 AMIBIOS s
21. al Installing these modules on SBC 411 411E is a quick and simple operation The following steps show how to mount the PC 104 modules Step 1 Step 2 Step 3 Step 4 Remove the SBC 411 411E from your system paying particular attention to the safety instructions already mentioned above Make any jumper or link changes required to the CPU card now Once the PC 104 module is mounted you may have difficulty in accessing these Mount the PC 104 module onto the CPU card Do this by pressing the module firmly but carefully onto the mounting connectors Secure the PC 104 module onto the CPU card using the four mounting spacers and srews PC 104 module dimensions inches 5 PC 104 Mounting Support So 5 411 411 PC 104 Mounting PC 104 Module CPU Card Adaptor PC 104 Module Mounting Diagram Appendix Installing PC 104 Modules 63 3 500 3 250 gt 3 575 0 200 Y 0 200 3 350 v 0 3 550 PC 104 Module dimensions inches 5 64 SBC 411 411E User Manual
22. are displayed by choosing the PCI PnP Setup icon from the AMIBIOS Setup main menu All PCI PnP Setup options are described in this section Ca Series O Perrin amid Flay eare ZFU Write Fire i IRE inskied Wi 1 Plug and Play Aware OS Set this option to Yes if the operating system installed in the computer is Plug and Play aware AMIBIOS only detects and enables PnP ISA adapter cards that are required for system boot The Windows 95 operating system is PnP aware and detects and enables all other PnP aware adapter cards Set this option to No if the operating system such as DOS 08 2 Windows 3 x does not use PnP You must set this option correctly or PnP aware adapter cards installed in your computer will not be configured properly The settings are Yes or No Chapter 3 AMIBIOS setup 43 PCI Latency Timer Clocks This option sets the latency of all PCI devices on the PCI bus The settings are in units equal to PCI clocks The settings are 32 64 96 128 160 192 224 or 248 CPU to PCI Write Buffer This option sets the write buffer between CPU and PCI bus Byte Merge Set this option to Enabled to specify that the IDE controller will transmit data in B
23. back caching algorithm External Cache This option specifies the caching algorithm used for L2 secondary external cache memory The settings are Setting Description Disabled Neither L1 internal cache memory on the CPU nor 12 cache memory is enabled Write Thru Use the write through caching algorithm WriteBack Use the write back caching algorithm System BIOS Cacheable When this option is set to Enabled the contents of the F0000h system memory segment can be read from or written to L2 second ary cache memory The contents of F0000h memory segment are always copied from the BIOS ROM to system RAM for faster execution The settings are Enabled or Disabled Chapter 3 AMIBIOS setup 35 Numeric Processor Set this option to Enabled to permit the numeric processor to be tested The deault setting is Disabled 2 Cae dedii iek Shades COBA Thiru Disabled Jb 4 2 Disabled d k di Firebird DORA Binakizd Thadeu zOBiadakled i Get advanced Hard Disk Delay This option allows you to select the hard disk delay time from 5 sec to 15sSec The default setting is Disabled 36 SBC 411 411E User Manual 000 16 Shadow Enabled C400 16K Shadow Enabled C800 16K Shadow Disabled
24. covered that data was being lost while using your system Amm at Bur Clack UWA Bead Timing Ela DRAM ir n 2 1 1 4 SERM Fert Tide Fast Hesegci Feriis Cheak cabled URAH Hidden Peres 1 4 Period Setting dE Bet Features 38 5 411 411 User Manual EMMA Tinie Farid Thenk Hides ren CEBA Hemuru Hale AY 121 188 DBS rr tee Hide Ker Cia PEA Haee Set Features Chipset setup options Function Options Auto Configuration Function Disabled Enabled AT Bus Clock 7 16 CPU Bus Speed 3 CPU Bus Speed 4 CPU Bus Speed 5 CPU Bus Speed 6 CPU Bus Speed 8 DRAM Read Timing Slow Normal Faster Fastest DRAM Write Timing Slow Normal Faster Fastest SRAM Type Chapter 3 AMIBIOS setup 39 Function Options SRAM Read Timing Fast Normal SRAM Write Timing FAST Normal Memory Parity Check Disabled Enabled DRAM Hidden Refresh Disabled Enabled DRAM Refresh Period Setting 15 ms 30 ms 60 ms 120 ms Memory Hole at 15 16 M Disabled Enabled ISA I O Recovery Disabled Enabled ISA I O Recovery Time 0 5 ms 1 0 ms 1 5 ms 2 0 ms 2 5 ms
25. e eese ee eee ee eene ene 10 Locating jumpers and connectors 4 0 11 Setting JUMPS bn 12 Safety precautions ccce eee 13 Installing DRAM SIMMS eee e ee eere eene een 14 Installing SIMMS cotilla 14 Removing 14 IDE hard drive connector 1 15 Floppy drive connector CN2 c 17 Connecting the floppy 17 Parallel port connector CN3 18 Installing the retaining bracket esee 18 Power connector 4 eee ee eee 19 RS 232 connectors CN5 CN6 19 PCI Ethernet connector 20 Keybaord connectors CN10 CN11 20 Power LED connector Jl e eene eere 21 IDE LED connector J2 4 e eee eee e eee ee eere nannte 21 Int Ext Buzzer J3 21 Ethernet link active signal LED 14 45 4 22 Power LED and keylock 6 22 CPU fan power connector 45V J9 23 Reset switch JP1 23 DOC address setting JP2 ooooommossmosss 24 Clear CMOS 4 3 24 DsikOnChip socket U10 eere 25 Chapter 3 AMIBIOS Setup
26. e to the Extended Capabilities Port ECP specification ECP uses the DMA protocol to achieve transfer rates of approximately 2 5 Mbs ECP provides sym metric bidirectional communications Parallel Port DMA Channel This option is only available if the setting for the Parallel Port Mode option is ECP The settings are 0 1 or 3 Parallel Port IRQ 7 is used for the parallel port LPT1 The IRQ can be changed to IRQS Onboard IDE This option specifies the onboard IDE controller channels that will be used The settings are Primary or Disabled SBC 411 411E User Manual Security The following icons appear in this section IA Gel AMIBIOS password support AMIBIOS Setup has an optional password feature The system can be configured so that all users must enter a password every time the system boots or when AMIBIOS Setup is executed You can either set a Supervisor password or a User password The follow ing screen appears when you select the password icon Chapter 3 AMIBIOS setup 49 s 1 E x 1 1 n 0 0 00 00 16 TURCA eae tuyeretane You enter password by typing the password the keyboard selecting each letter via the mouse selecting each letter via the pen stylus pen access must be customi
27. etup 31 Advanced Setup Advanced Setup options are displayed by choosing the Advanced icon from the AMIBIOS Setup main menu All Advanced Setup options are described in this section hasta apa Hardy mn Fierro deem Flegey E Chea Farine Cheek SE Ado PULTE PUR Or coon Dizaklad Pedant 2 Vi nalla d MHZ Compatible E Er Kobanard Fradiurrn Quick Boot Set this option to Enabled to instruct AMIBIOS to boot quickly when the computer is powered on This option replaces the old Above 4 MB Memory Test Advanced Setup option The settings are Setting Description Disabled AMIBIOS tests all system memory AMIBIOS waits up to 40 seconds for a READY signal from the IDE hard disk drive AMIBIOS waits for 5 seconds after sending a RESET signal to the IDE drive to allow the IDE drive time to get ready again AMIBIOS checks for a lt Del gt key press and runs AMIBIOS Setup if the key has been pressed Enabled AMIBIOS does not test system memory above 1MB AMIBIOS does not wait up to 40 seconds for a READY signal from the IDE hard disk drive If a READY signal is not received immediately from the IDE drive AMIBIOS does not configure that drive AMIBIOS does not wait
28. ive backplane applications A second 6 pin mini DIN connector on the card mounting bracket supports SBC applications The card comes with an adapter to convert the 6 pin mini DIN connector used for the standard AT keyboard connector 5 pin Keyboard CN10 Pin Function 1 KB CLK 2 KB DATA 3 N C 4 GND 5 Vcc 6 pin mini DIN Keyboard connector CN11 Pin Function K B data N C GND 5 Voc K B clock P 20 SBC 411 411E User Manual Power LED connector 31 You can connect a LED to indicate when the CPU card is on Power LED connector 21 Pin Function 1 LED Power 5V 2 Ground IDE LED connector J2 You can connect a LED to indicate that an IDE device 15 in use The pin assignments for this jumper are as follows IDE LED connector J2 Pin Function 1 R W IDE 2 Pull high Int Ext Buzzer J3 The CPU card has its own buzzer You can connect an external speaker to pin and pin4 Enabling the external speaker automati cally disables the internal buzzer Connecting pin3 and pin4 will enable the internal buzzer and disable the external buzzer Int Ext Buzzer J3 Pin Function 1 speaker 2 signal 3 buzzer 4 signal Chapter 2 Installation 21 Ethernet link active signal LED J4 J5 The SBC 411E supports two sets of LED connector for external LEDs Ethernet acti
29. ly you simply need a standard cable to make most connec tions 12 SBC 411 411E User Manual Safety Precautions Warning Always completely disconnect the power cord from Caution your chassis whenever you are working on it Do not make connections while the power is on sensitive electronic components can be damaged by the sudden rush of power Only experienced electronics personnel should open the PC chas sis Always ground yourself to remove any static charge before touching the CPU card Modern electronic devices are very sensitive to static electric charges Use a grounding wrist strap at all times Place all electronic components on a static dissipative surface or in a static shielded bag when they are not in the chassis Chapter 2 Installation 13 Installing DRAM SIMMs The SBC 411 411E CPU card provides one 72 pin SIMM Single In line Memory Module socket and supports between 4 MB to 32 MB of RAM Installing SIMM Note that the modules can only fit into a socket one way 1 Insert the memory module into the socket at a moderate angle 2 Push the module toward the vertical posts at both ends of the socket until the module is upright and the retaining clips at both ends of the module click into place When positioned correctly the pins on top of the vertical posts should corre spond to the circular holes on the ends of the module Removing SIMM If you need to remove a SIMM follow the procedures
30. on provided in this manual is intended to be accurate and reliable However AAEON Technology Inc assumes no responsibility for its use nor for any infringements upon the rights of third parties which may result from its use Acknowledgements ALlis a trademark of Acer Laboratories Inc AMD is a trademark of Advanced Micro Devices Inc is a trademark of American Megatrends Inc AutoCAD and AutoShade are trademarks of Autodesk Inc CHIPS Logotype is a registered trademark Chips 65550 is a trademark of Chip and Technologies Inc IBM PC AT PS 2 and VGA are trademarks of International Business Machines Corporation Lotus 1 2 3 and Symphony are trademarks of Lotus Development Corp Microsoft Windows and MS DOS are registered trademarks of Microsoft Corp SMC is a trademark of Standard Microsystems Corporation TurboDLD Classic is a trademark of Panacea Inc UMC is a trademark of United Microelectronics Corporation WordPerfect is a trademark of WordPerfect Corporation VESA is a registered trademark of Video Electronics Standards Association other product names or trademarks are properties of their respective owners Part No 2007411001 SBC 411 411E Al 2nd Edition Printed in Taiwan APRIL 1998 Written By Steven Lin Packing list Before you begin installing your card please make sure that the following materials have been shipped 1 SBC 411 411E CPU card 1 user manual this book 1 6 pin to 5
31. owing table lists the pin numbers and their respective signals Floppy disk connector CN2 Pin Signal Pin Signal 1 33 odd GND 2 High density 4 6 Unused 8 Index 10 Motor enable A 12 Driver select B 14 Driver select A 16 Motor enable B 18 Direction 20 Step pulse 22 Write data 24 Write enable 26 Track 0 28 Write protect 30 Read data 32 Select head 34 Disk change Chapter 2 Installation 17 Parallel port connector CN3 Normally the parallel port is used to connect the card to a printer The SBC 411 411E includes an onboard parallel port which is accessed through a 26 pin flat cable connector The CPU card comes with an adapter cable which lets you use a traditional DB 25 connector The cable has a 26 pin connector on one end and a DB 25 connector on the other mounted on a retaining bracket Installing the retaining bracket The retaining bracket installs at an empty slot in your system s chassis It provides an external port that allows your parallel peripheral access to the card s parallel port connector 1 Find an empty slot in your chassis 2 Unscrew the plate that covers the end of the slot 3 Screw in the bracket in place of the plate 4 Next attach the flat cable connector to CN3 on the CPU card Wire 1 of the cable is red or blue and the other wires are gray Make sure that wire connects to Pin of the CN3 connector Pin 1 is on right side of connector Pin assignmen
32. password If you forget your password remove the computer cover set switch 1 2 the DIAG switch to ON and power on the computer AMIBIOS will erase the pass word Chapter 3 AMIBIOS setup 51 52 rinse a Hard Pirk Bost E Anti virus Select the Anti virus icon from the Security section of the AMI BIOS Setup main menu AMIBIOS issues a warning when any program or virus issues a Disk format command or attempts to write to the boot sector of the hard disk drive If enabled the following appears when a write is attempted to the boot sector Boot Sector Write Possible VIRUS Continue Y N You may have to type N several times to prevent the boot sector write The following is displayed after any attempt to format any cylinder head or sector of any hard disk drive via the BIOS INT 13 Hard Disk Drive Service Format Possible VIRUS Continue Y N SBC 411 411E User Manual Utility The following icons appear in this section E A DIO SIC AI NO EEE all dewined A Detect IDE If drive is an IDE drive the hard disk drive parameters for drive C are automatically detected and reported to the Hard Disk Drive C screen in Standard Setup so you can easily configure drive C Drive D and the CD ROM could also be automatically detected and reported to screen if drive D and CD ROM are IDE drives Language If this feature is enabled you can selec
33. prompt will appear asking if you want to save the configuration Press Y if you want to save The Ethernet Setup Menu also offers three very useful diagnos tic functions These are 1 Run EEPROM test 2 Run Diagnostics on Board 3 Run Diagnostics on Network Each option has its own display screen which shows the format and result of any diagnostic tests undertaken 58 SBC411 411E User Manual APPENDIX Watchdog Timer Demo Program The following demo program illustrates the programming steps required to enable set and disable the watchdog timer Programming the watchdog timer If you decide to program the watchdog timer you must write data to 1 O port 443 hex The output data is a value timer You can write from 80 hex to FF hex for input minute data plus from 00 hex to 7F hex for input second data and the related timer is 2 seconds to 127 minutes plus 127 seconds After data entry your program must refresh the watchdog timer by rewriting the I O port 443 hex while simultaneously setting it When you want to disable the watchdog timer your program should write I O port 80 hex a Hex value The following procedure is a sample program for the watchdog timer To start the watchdog timer and set the Reset function type 0444 0 Enter out 444h data 0 To input watchdog timers time out interval of 3 minutes type 0443 83 Enter out 443h data 83 To input watchdog timers time out inte
34. rity Auto This option sets PCI slot IRQ Priority Chapter 3 AMIBIOS setup 45 46 IRQ3 IRQ4 IRQ5 IRQ7 IRQ9 IRQ10 IRQ11 IRQ14 IRQ15 These options specify the type of the bus that the named interrupt request lines IRQs use These options allow you to specify IRQs for use by Legacy ISA adapter cards These options determine if AMIBIOS should remove an IRQ from the pool of available IRQs passed to BIOS configurable devices The available IRQ pool is determined by reading the ESCD NVRAM If more IRQs must be removed from the pool the end user can use these PCI PnP Setup options to remove the IRQ by assigning the option to the SA EISA setting Onboard I O is configurable by AMIBIOS The IRQs used by the onboard I O are configured as PCI PnP The settings are PCI PnP or ISA EISA The default settings are PCI PnP Reserved Memory Size This option specifies the size of the memory area reserved for legacy ISA adapter cards The settings are Disabled 16K 32K or 64K Reserved Memory Address This option specifies the beginning address in hex of the reserved memory area The specified ROM memory area is reserved for use by legacy ISA adapter cards The settings are 0000 C4000 8000 000 20000 24000 09000 or DCOOO SBC 411 411E User Manual Peripheral Setup To access Peripheral Setup select the Peripheral icon in the AMIBIOS main menu The following screen appears fedus Pul
35. rive connector CN 1 Enhanced IDE connector CN1 Pin Signal Pin Signal 1 Reset 2 GND 3 D7 4 D8 5 D6 6 D9 7 D5 8 D10 9 D4 10 D11 11 D3 12 D12 13 D2 14 D13 15 D1 16 D14 17 DO 18 D15 19 GND 20 21 22 GND 23 24 GND 25 26 GND 27 IORDY 28 BALE 29 N C 30 GND 31 IRQ 32 I O CS16 33 Al 34 N C 35 AO 36 A2 37 CSO 38 CS1 39 40 GND 16 SBC 411 411E User Manual Floppy drive connector CN2 You can attach up to two floppy disks to the SBC 411 411E 486 s onboard controller You can use any combination of 5 25 360 KB and 1 2 MB and or 3 5 720 KB 1 44 MB and 2 88 MB drives The CPU card comes with a 34 daisy chain drive connector cable On one end of the cable 15 a 34 pin flat cable connector There are two sets of floppy disk drive connectors one in the middle and one on the other end Each set consists of a 34 pin flat cable connector usually used for 3 5 drives and a printed circuit board connector usually used for 5 25 drives Connecting the floppy drive 1 Plug the 34 pin flat cable connector into CN2 on the CPU card 2 Attach the appropriate connector on the other end of the cable to the floppy drive s You can use only one connector in the set The set on the end after the twist in the cable connects to the A floppy The set in the middle connects to floppy Pin assignments The foll
36. rval of 5 seconds type 0443 05 Enter out 443h data 05 To disable the watchdog timer type 080 x Enter out 080h data x x can be any Hex value The time interval data of the watchdog timer is shown in binary code 8 bits If bit 8 is 1 To input minute If bit 8 is 0 To input second Sample 1 3 minutes 1 0 0 0 01 0 1 1 Sample 2 5 seconds 1 60 SBC 411 411E User Manual APPENDIX Installing PC 104 Modules This appendix gives instructions for installing the PC 104 module Installing PC 104 modules The SBC 411 411E s PC 104 connectors give you the flexibility to attach PC 104 expansion modules These modules perform the functions of traditional plug in expansion cards but saves space and valuable slots Modules include PCM 3110B PCM 3115B PCM 3200 PCM 3420 PCM 3521 PCM 3522 PCM 3600 PCM 3610 PCM 3640 PCM P50 PCM 3660 PCM 3718 PCM 3724 PCM 3910 PCM 3810 PCM 3820 PCMCIA Module one slot PCMCIA Module two slot PC 104 Sound Module PC 104 Fast SCSI Module Advanced Flat Panel CRT VGA Module LCD Panel Adapter PC 104 Fax Modem Module Isolated RS 232 and RS 422 485 Module PC 104 4 port RS 232 Module PC 104 Vehicle Power Supply Ethernet Module 30 KHz A D Module 48 channel DIO Module Breadboard Module Solid State Disk Module High Density Flash Solid State Disk Module 62 SBC 411 411E User Manu
37. t AMIBIOS The setup messages are in different languages The default setting is English Chapter 3 AMIBIOS setup 53 Default The icons in this section permit you to select a group of settings for all AMIBIOS Setup options Not only can you use these icons to quickly set system configuration parameters you can choose a group of settings that have a better chance of working when the system is having configuration related problems a Peas 14 oe AA Original Choose the Original icon to return to system configuration values present in AMIBIOS Setup when you first began this AMIBIOS Setup session Optimal You can load the optimal default settings for the WinBIOS Setup options by selecting the Optimal icon The Optimal default settings are the best case values that could optimize system performance If CMOS RAM is corrupted the Optimal settings are loaded automat ically Fail Safe You can load the Fail Safe AMIBIOS Setup options by selecting the Fail Safe icon The Fail Safe settings provide the most stable settings though they do not provide optimal performance Use this option as a diagnostic aid if the system is behaving erratically 54 SBC411 411E User Manual Exiting AMIBIOS You can exit AMIBIOS by pressing the lt ESC gt key while in the AMIBIOS main menu screen The following screen appears 44563556 aran die 4 1 1 1
38. ts Parallel port connector CN3 Pin Signal Pin Signal 1 Strobe 2 Data 0 3 Data 1 4 Data 2 5 Data 3 6 Data 4 7 Data 5 8 Data 6 9 Data 9 10 Acknowledge 11 Busy 12 Paper empty 13 Select 14 Auto feed 15 Error 16 Init printer 17 Select input 18 25 GND 18 SBC 411 411E User Manual Power connector CN4 In SBC non passive backplane applications you will need to connect power directly to the SBC 41 1 41 1E board using CN4 1s fully compatible with the standard PC power supply connector See the following table for its pin assignments Power connector CN4 Pin Function N C 5 Voc 12 Vo 12 GND GND is connector for 5V 4A DC jack optional 65 232 connectors CN5 CN6 The SBC 411 411E offers two RS 232 serial ports Using the BIOS Peripheral Setup program you can select the address for each port or disable it See the following table for the pin assignment RS 232 connector pin assignment CN5 CN6 Pin Signal DCD RX TX DTR GND DSR RTS CTS A Chapter 2 Installation 19 Ethernet connector 7 A 10Base T RJ 45 connector CN7 ethernet adapter cable connects to CN7 on the SBC 411E Keyboard connectors CN10 CN 11 The SBC 411 411E board provides two keyboard connectors A 5 pin connector supports pass
39. ure your system to suit your applications The table below lists the function of each of the board jumpers and connectors Jumpers and connectors Label Function CN1 IDE hard drive connector CN2 Floppy drive connector CN3 Parallel port connector CN4 Power connector CN5 connector CN6 COM2 connector CN7 Ethernet connector optional ISA 10Base T 9 optional DC_JACK connector CN10 Internal keyboard connector CN11 Keyboard connector J1 Power LED connector J2 IDE LED connector J3 Int Ext buzzer 44 Ethernet link signal LED J5 Ethernet active signal LED 46 Power LED amp LOCK J7 optional LED LINK ISA 10Base T J8 optional LED ISA 10Base T J9 CPU fan power connector JP1 Reset switch JP2 DOC address setting JP3 Clear CMOS 10 SBC 411 411E User Manual Locating jumpers and connectors J1 JP1 J3 Parallel Port Connector CN3 COM2 CN6 COM 1 CN5 FDD Connector CN2 IDE connector CN1 J2 SBC 411E only Power PCI10 BaseT optiona ISA 10 connector RJ 45 Jack RJ 45 Jack CN8 connector CN7 CN11 RTL8029AS O 19 287 LIN
40. ve signal LED J4 A flashing LED indicates that the SBC 41 1E is transmitting or receiving data Ethernet link signal LED J5 A continvously lit LED indicates good linkage between the SBC 411E and its supporting hub Power LED and keylock J6 You can connect an LED to indicate when the CPU card is on Pin 1 of J6 supplies power to the LED and Pin 3 is the ground You can use a switch or a lock to disable the keyboard In this state the PC will not respond to any input This is useful if you don t want anyone to change or stop a running program Simply connect the switch between Pins 4 and 5 The pin assignments appear in the following table Power LED and keylock J6 Pin Function LED Power 5 V NC Ground Keyboard lock 0 Ground 22 SBC 411 411E User Manual CPU fan power connector 5V J9 You can connect a fan on the CPU The SBC 411 411E offer 5V plus to drive a can for CPU CPU fan power connector J9 1 5V 2 GND Reset switch JP1 You can connect an external switch to easily reset your computer This switch restarts your computer as if you had turned off the power then turned it back on The following table shows the pin assignments for JP1 Reset switch JP1 Pin Function 1 Ground 2 Reset Chapter 2 Installation 23 DOC address setting JP2 The DiskOnChip 2000 occupies a 8 Kbyte window in the upper memory
41. yte Merge mode This will improve the data transmitting performance PCIIDE BusMaster Set this option to Enabled to specify the IDE controller on the PCI local bus has bus mastering capability The settings are Disabled or Enabled Offboard PCI IDE Card This option specifies if an offboard PCI IDE controller adapter card is used in the computer You must also specify the PCI expansion slot on the motherboard where the offboard PCI IDE controller card is installed If an offboard PCI IDE controller is used the onboard IDE controller on the motherboard is automatically disabled The settings are Auto 51011 Slot2 Slot3 Slot4 81015 or 51016 If Auto is selected AMIBIOS automatically determines the correct setting for this option Offboard PCI IDE Primary IRQ This option specifies the PCI interrupt used by the primary IDE channel on the offboard PCI IDE controller The settings are Disabled INTA INTB INTC INTD or Hardwired Offboard PCI IDE Secondary IRQ This option specifies the PCI interrupt used by the secondary IDE channel on the offboard PCI IDE controller The settings are Disabled INTA INTB INTC INTD or Hardwired 44 SBC 411 411E User Manual FOE Flatt Friarita ati Friaritu lat Priori tw LR LET rm Los PI PaP Fasiuree PCI Slot1 IRQ Priority Auto PCI Slot2 IRQ Priority Auto PCI Slot3 IRQ Priority Auto PCI Slot4 IRQ Prio
42. zed for each specific hardware platform If you do not want to use a password simply press lt ENTER gt when the password prompt appears Setting a Password The password check option is enabled in Advanced Setup by choosing either Always or Setup Here you determine the pass word to be used The password is stored in CMOS RAM assign a password 1 Entera 1 6 character password The password does not appear on the screen when typed 2 Retype the password when prompted by AMIBIOS A message box will appear when the password is confirmed Keep a record of the password If you forget the password you must reset the CMOS RAM and reconfigure the system 50 5 411 411 User Manual Changing a password Select the appropriate password icon 1 e supervisor or user from the Security section of the AMIBIOS Setup main menu 2 Enter the password and press lt ENTER gt The screen does not display the characters entered 3 After the new password is entered retype the new password as prompted and press lt ENTER gt If the password confirmation is incorrect an error message appears If the new password is entered without error press lt ESC gt to return to the AMIBIOS Setup Main Menu The password is stored in CMOS RAM after AMIBIOS Setup completes The next time the system boots you are prompted for the password if the password function is present and is enabled Remember your password Keep a record of your
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