User manual
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1. 9 10 DATA11 z DATA 3 11 12 DATA12 H DATA 2 13 14 DATA13 DATA 1 15 16 DATA14 DATA 0 17 18 DATA15 B GND 19 20 IDE DRQ 21 22 GND Wit 23 24 GND E IORE 25 26 GND IDE CHRDY 27 28 GND IDE DACK 29 30 GND DEFAULT a INTERRUPT 31 32 NC B SA1 33 34 NC H SA0 35 36 HDC CSO 37 38 HDE CS1 HDD ACTIVE 39 40 VCC 41 42 NC GND 43 44 NC CN4 HDD Connector 13 3 3 Switches Indicators and IrDA infrared port JP3 The connection of JP3 is illustrated as the following table for reference e JP3 General connectors PIN NO DESCRIPTION PIN NO DESCRIPTION BATTERY 1 BATTERY 2 VCC IR CON 3 VCC 4 NC CONNECTOR RESET 5 GND 6 IR RX 7 RESET SW 8 GND HDDLED 9 VCC 10 IR TX 11 IDE LED 12 NC WATCH 13 Watch dog active 14 KEYLOCK KEYLOCK DOG 15 Reset in 16 GND CON Note JP3 Pin 13 amp 15 Watch Dog Setting JP1 Watch Dog Setting Shut Enabled Open Disabled For detailed information on Watch Dog Timer please refer to Appendix A 14 3 4 Parallel Port CN5 This port is usually connected to a printer The PM 1041 includes an on board parallel port accessed through a 26 pin mini pitched flat cable connector CN5 NC 26 25 GND GND 24 23 GND GND 22 21 GND GND 20 19 GND GND 18 17 PRINTERSELECT LN INITIALIZE 16 15 ERRORH AUTO FORM FEED 142. appropriately KEYBOARD DATA MOUSE DATA DEYBOARD CLOCK MOUSE CLOCK CN11 PS 2 Mouse and Keyboard Connector 21 SO DIMM Socket Connector CN12 3 11 CN12 SO DIMM Socket Connector 143 ar o 144 22 AMI BIOS Setup The PM 1041 uses the AMI PCI SA BIOS for system configuration The AMI BIOS setup program is designed to provide maximum flexibility in configuring the system by offering various options which may be selected for end user requirements This chapter is written to assist you in the proper usage of these features 23 4 1 Getting Started When powering on the system the BIOS will enter the Power On Self Test POST routines These routines will be executed for system test initialization and system configuration verification After the POST routines are completed the following message will appear Hit DEL if you want to run SETUP To access AMI PCI ISA BIOS Setup program press lt Del gt key The following screen will be displayed at this time AMIBIOS HIFLEX SETUP UTILITY VERSION 1 23 C 1999 fimerican Megatrends Inc All Rights Reserved Standard CMOS Setup Advanced CMOS Setup Advanced Chipset Setup Power Management Setup Peripheral Setup Auto Detect Hard Disks Change User Password Change Supervisor Password fiuto Configuration with Optimal Settings fiuto Configuration with Fail Safe Settings Save Settings and
3. 1MB of the system memory e Quick Boot gt Disabled the BIOS will test all system memory when it boots up It will spend about 40 seconds until it receives a Ready signal from the HDD It will also wait for you to press the Del key or not e ist 2nd 3rd Boot Device gt to define the device type for booting after the routines check up completes If the 1st Boot Device fails the BIOS will attempt to boot from the 2nd or the 3rd device 26 Try Other Boot Devices the BIOS will try to boot from any other available device in the system if the 1st 2nd and 3rd device fails to boot BootUp Num Lock gt to turn on off the Num Lock option on a enhanced keyboard when you boot If you turn it off the arrow keys on the numeric keypad can be used just as the other set of arrow keys on the keyboard and vice versa PS 2 Mouse Support gt to testify whether or not a PS 2 mouse is supported System Keyboard gt to testify whether or not a keyboard is attached to the computer Password Check gt to define if a password is necessary or not for access to the system Boot to OS 2 gt if you run the OS 2 operating system this option must be set to yes System BIOS Cacheable to define whether or not the memory segment FOOOH can be read from or written to cache memory Setting it Enabled will give faster execution in your system XXXX 16k Shadow ROM Shadow is a technique in which BIOS code is copied from slower ROM to fas
4. Dog Timer 35 Appendix B I O Information 37 Introduction Welcome to the PM 1041 486 DX66 with SVGA CPU Board The PM 1041 board is an all in one CPU board which comes equipped with PC 104 solution for limited space application It offers all the functions that a full fledged computer needs In addition the PM 1041 provides SVGA display controller on board which can supply CRT resolutions up to 1024x768 64K colors This board has a built in DiskOnChip DOC Flash Disk Socket for embedded applications The DOC Flash Disk is 10096 software compatible with hard disk Users can use any DOS command without any extra software utility The DOC is currently available from 2MB to 144MB 1 Specifications 1 Embedded SGS Thomson DX 66 STPC Client System bus PC104 connector System One 144 pin SODIMM socket supports 8 16 or 32MB memory EDO FPR DRAM Enhanced IDE Supports up to two EIDE devices with BIOS auto detect Interface function Floppy disk Supports to two floppy disk drives Two RS 232 ports with 160550 UART or compatible with 16 byte FIFO buffer Support up to 115 2Kbps Serial ports Ports can be individually configured to COM1 COM or disabled Bi directional Configurable to LPT1 LPT2 LPT3 or disabled Supports parallel Port EPP ECP SPP Supports Serial Infrared SIR and Amplitude Shift IrDA port Keyed IR ASKIR interface 2 Can
5. F2 F3 Color When you enter the Peripheral Setup the following items are available for setting e On board FDC gt The floppy disk drive controller can be Enabled or Disabled by this item When you do not need floppy disk the FDD controller can be disabled If you set it Auto the BIOS will try to enable any floppy drive controller on the ISA Bus e Serial Port A gt The options are Disable 3F8 2F8 3E8 2E8 and Auto You can set the I O address of the serial port A COMA or disable it e Serial Port B gt The options are Disable 3F8 2F8 3E8 2E8 and Auto You can set the I O address of the serial port B COMB or disable it 31 OnBoard Parallel Port gt The options are Auto Disable 3BC 378 or 278 You can set the I O address of the parallel port or disable it IR Port Support gt to specify the IO Port address of the IR Port Parallel Port Mode gt PM 1041 provides EPP Mode EPP passes the parallel port to be used with devices which stick to the EPP specification The existing parallel port signals will be used by EPP to provide asymmetric bi directional data transfer driven by the host devices Parallel Port IRQ gt to define the Interrupt Request IRQ which is used by the parallel port Parallel Port DMA Channel gt to set the DMA Channel used by the parallel port 32 E Key Function The PM 1041 provides an outstanding E KEYTM function for system integrator Based on the E KEYTM you are f
6. ROCKY P288EV s parallel p ort otherwise it will not be working 34 Appendix A Watch Dog Timer The Watch Dog Timer is provided to ensure that stand alone systems can always recover from catastrophic conditions that cause the CPU to crash This condition may have occurred by external EMI or a software bug When the CPU stops working correctly hardware on the board will perform hardware reset cold boot to bring the system back to a known state The Watch Dog Timer is controlled by three I O ports Set Watch Dog Time period 443 Read Enable the refresh the Watch Dog hex Timer Disable the Watch Dog Timer hex To enable the Watch Dog Timer users have to define the Timer before enable the Watch dog Timer function The output data is a value of time interval and the range of the value is from 01 hex to FF hex and time interval 1 sec to 255 sec Data Time Interval 01 1 sec 02 2 sec 03 3 sec 04 4 sec FF 255 sec This will enable and activate the countdown timer which will eventually time out and reset the CPU to ensure that this reset condition does not occur the Watch Dog Timer must be periodically refreshed by reading the same I O ports 843H and 443H This must be done within the time out period that is selected by software please refer to the example program 35 A tolerance of at least 3096 must be maintained to avoid unknown routines within the operating system DOS such as
7. disk I O that can be very time consuming Therefore if the time out period has been set to 10 seconds the I O port 443H must be read within 7 seconds Note when exiting a program it is necessary to disable the Watch Dog Timer otherwise the system will reset Example program TIMER PORT 443H TIMER START 443H 843H TIMER STOP INITIAL TIME PERIOD COUNTER MOV DX TIME PORT OUT AL 8 8 SECONDS ADD YOUR APPLICATION HERE MOV DX TIMER START IN AL DX START COUNTER ADD YOUR APPLICATION HERE W LOOP MOV DX TIMER STOP IN AL DX MOV DX TIMER START IN AL DX RESTART COUNTER ADD YOUR APPLICATION HERE CMP EXIT AP 0 JNE W LOOP MOV DX TIMER STOP IN AL DX EXIT AP 36 Appendix B I O Information IO Address Map I O Address Range Description 000 01F DMA Controller 1 020 021 Interrupt Controller 1 Master 040 05F 8254 timer 060 06F 8042 Keyboard Controller 070 07F Real time Clock NMI non maskable interrupt Mask 080 09F DMA Page Register 0A0 0BF Interrupt Controller 2 0C0 0DF DMA Controller 2 OFO Clear Math Coprocessor Busy OF1 Reset Math Coprocessor OF2 Core logic programming configuration OF8 0FF Math Coprocessor 1F0 1F8 Fixed Disk 200 207 Game I O 278 27F Parallel Printer Port 2 LPT3 2E8 2EF Serial Port 4 2F8 2FF Serial Port 2 300 31F Prototype Card 360 36F Reserved 378 37F Parallel Printer Port 1 LPT2 3B0 3BF Monochrome Display and Printe
8. to 16MB e VGA Frame Buffer Size KB gt to specify VGA share memory size 28 Power Management Setup Power Management Setup helps users handle the PM 1041 boards green function The features could shut down the video display and hard disk to save energy for example The power management setup screen is as following AMIBIOS SETUP POWER MANAGEMENT SETUP C 1999 fimerican Megatrends Inc All Rights Reserved Power Management APM Disabled Available Options Green PC Monitor Power State Off gt Disabled Video Power Down Mode Disabled Enabled Hard Disk Power Down Mode Disabled Standby Time Qut Minute Disabled Suspend Time Out Minute Disabled STPCLK Modulation Period 64 us Display Activity Monitor DM Activity Ignore PCI Master Activity Ignore Parallel 10 Activity Ignore Serial 10 Activity Ignore Keyboard Activity Monitor Floppy Disk Activity Ignore Hard Disk Activity Ignore IRQ1 15 Interrupt Monitor System Timer Interrupt Ignore NMI Interrupt Ignore ESC Exit t1 Sel PgUp PgDn Modify Fi Help F2 F3 Color Power Management APM gt to enable or disable the Advanced Power Management feature Green PC Monitor Power State gt to specify the power state of the monitor after the specified period of display idle has ended Video Power Down Mode gt to specify the power state of the VESA VGA video subsystem after the specified period of display idle has ended Hard Disk P
9. yiosi tes nie a aun Ossa 8 2 3 Clear CMOS Setup 9 2 4 DiskOnChip M Flash Disk JP2 10 CM GOMES 11 3 1 Floppy Disk Drive Connector CN1 12 3 2 IDE Disk Drive Connector CN4 13 3 3 Switches Indicators and IrDA infrared port JP3 14 34 P r llel Port CNI unda u S ke 15 35 Serial Port ENZ CNS este Repente 16 3 6 External Power Connector CN6 17 VGA Connector CN7 5 2 0 6 ate Ende 18 3 8 Fan Connector CN8 19 39 PC 104 Connection Bus CN10 20 3 10 PS 2 Mouse and Keyboard Connector CN11 21 3 11 SO DIMM Socket Connector CN12 22 4 AMI BIOS 23 4 l Get ng Started uu u usakunata an as 24 4 2 Standard CMOS Setup eonorornonnrnrnorornnnennennrnrnrnenernrnererentennnnnn 25 4 3 Advanced CMOS Setup 26 4 4 Advanced Chipset Setup 28 45 Power Management Setup sse 29 4 6 Peripheral Setup iien a A tuo ee enia 31 5 Key Function 33 Appendix A Watch
10. 1 PM 1041 s Layout IDE KeyboardiM ouse 2 2 Unpacking Precautions Some components on PM 1041 SBC are very sensitive to static electric charges and can be damaged by a sudden rush of power To protect it from unintended damage be sure to follow these precautions Y Ground yourself to remove any static charge before touching your PM 1041 SBC You can do it by using a grounded wrist strap at all times or by frequently touching any conducting materials that is connected to the ground v Handle your PM 1041 SBC by its edges Don t touch IC chips leads or circuitry if not necessary Y Do not plug any connector or jumper while the power is on Clear CMOS Setup JP1 If you want to clear the CMOS Setup for example if you forgot the password you should clear the setup and then set the password again you should close the JP1 about 3 seconds then open again Now the password has been cleared from your CMOS ON JP1 Clear CMOS Setup e JP1 Clear CMOS Setup Reserve Function JP1 DESCRIPTION 1 2 NORMAL 2 3 CLR CMOS 2 4 DiskOnChip Flash Disk JP2 The DiskOnChip Flash Disk Chip DOC is produced by M Systems Because the DOC is 10096 software compatible to hard disk and DOS users dont need any extra software utility It is just plug and play easy and reliable Right now the DOC is available from 2MB to 144MB The DiskOnChip will only share 8KB memory address
11. 13 PRINTER SELECT PAPER EMPTY 12 11 BUSY ACKNOWLEDGE 10 9 DATA7 DATA6 8 7 DATA 5 DATA 4 6 5 DATA 2 4 3 DATA 1 DATAO 2 1 STROBE CN5 Parallel Port Connector 15 3 5 Serial Port CN2 CN3 The PM 1041 offers two high speed NS16C550 compatible UARTs with Read Receive 16 byte FIFO serial ports 9 755 5 GND 3 1 CN2 amp 3 COMA and COMB Connectors 16 3 6 External Power Connector CN6 The PM 1041 has an on board external power connector CN6 The PM 1041 is only powered by Vcc 5 which should come from external power connector CN6 s pint and pin8 and power GND from pin4 and pin5 The extra power supply like 12VDC and 5VDC provided by CN6 will be passed to CN9 and CN10 and only for PC104 slot use OY OONN LOO z CN6 External Power Connector 17 3 7 VGA Connector CN7 PM 1041 s built in 16 pin VGA connector can directly connect to your CRT monitor via the attached VGA cable NC 16 15 DDCO GND 14 13 NC DDC1 12 11 NC GND 10 9 BLUE VSYNC 8 7 GND GND 6 5 GREEN HSYNC 4 3 VCC GND 2 1 RED CN7 16 PIN Female Connector 18 3 8 CPU Fan Connector CN8 The PM 1041 provides an optional CPU cooling fan connector which only presents when 12V power is supplied to CN6 Please note that the PM 1041 s STPC chip has already installed a heat sink However while running under environment temperature above
12. 5 6 3 4 2 JP2 DiskOnChip Flash Disk Setup e JP2 DiskOnChip Memory Address Setting JP2 Address 12 3 4 5 6 C8000 C9FFF OPEN CLOSE CLOSE D0000 D1FFF CLOSE OPEN CLOSE D8000 D9FFF OPEN OPEN CLOSE 10 Connection This chapter describes how to connect peripherals switches and indicators to the PM 1041 board Table of Connectors FUNCTION Floppy Disk Drive Connector COMA Connector COMB Connector IDE Disk Drive Connector Parallel Port External Power Connector VGA Connector CPU Fan Connector PC 104 64 CON A PC 104 40 CON B PS 2 Mouse and Keyboard Connector SO DIMM Socket Connector 11 Floppy Disk Drive Connector CN1 The PM 1041 board comes equipped with a 34 pin daisy chain drive connector cable which can support up to two floppy drives The detailed pin assignment of the connector is specified as below REDUCE WRITE MOTOR ENABLE Att DRIVE SELECT B DRIVE SELECT MOTOR ENABLE B DIRECTION WRITE DATA WRITE GATE WRITE PROTECT READ DATA SIDE 1 SELECT DISK CHANGE INDEX TRACK 0 CN1 FDC Connector 12 3 2 IDE Disk Drive Connector CN4 You can attach four IDE Integrated Device Electronics hard disk drives to the PM 1041 IDE controller The IDE supports the Ultra DMA 33 interface RESET 1 2 GND DATA 7 3 4 DATA8 DATA6 5 6 DATA9 DATA5 7 8 DATA10 DATA 4
13. 604 J users still have to add an additional CPU cooling fan 1 12V e 2 GN CN8 CPU Fan Connector 19 PC 104 Connection Bus CN9 CN10 The PM 1041 s PC 104 expansion bus lets you attach any kind 3 9 of PC 104 modules There are two PC 104 connectors on this board PC 104 64 and PC 104 40 AND 9 OG SOul SS 9 9 ZOUI S MTOSASVSI 29 HS3utdat 19 Loud OG HLMOVA 6b 8v HEMOVA r 9v HMOI Sv HYNINS vv HMNINS v AND zv Hv SMZ 0 NRL 6 8E 9 LE E ze QNO Le OVS 0 LYS 6z ZVS 8z EVS 212 9 SVS Sa 9VS VS EZ SVS 65 12 OLVS 02 LLYS 61 IVS 81 ELVS ZL vVIVS 9L SIVS SL 9LYS YL ZINTI EL SLVT GL 6LVT LE N3V OL AQHHOO o e a wn 8 2 9 S vas v I PC 104 64 CON A CN9 AND L 9ISOW c 9ISO0I Oroul 7 LOYI S ZLOUI 9 GLOUI Z VLOUI 8 HOMDVA 6 OL 3840VG LL L 3940VG EL 90uQ vL 3249VG SL ZOU 91 DOA 21 d31SVN 81 104 64 CN10 20 3 40 PS 2 Mouse and Keyboard Connector CN11 The attached 6 pin header converting to two 6 pin DIN cables for keyboard and mouse connection allows users to connect both PS 2 mouse and keyboard Please note that only by connecting with the attached cable the keyboard and mouse will work
14. Exit Exit Mithout Saving Standard CMOS setup for changing time date hard disk type etc ESC Exit tl Sel F2 F3 Color F10 Save amp Exit When choose Auto Configuration with Fail Safe Settings it will load the minimized settings for Troubleshooting The performance should be very poor when use this setting When choose Auto Configuration with Optimal Settings it will load optimized defaults for regular use Choosing this setting will modify all applicable settings 24 4 2 Standard CMOS Setup The Standard CMOS Setup is used for basic hardware system configuration The main function is for Date Time setting and Floppy Hard Disk Drive setting Please refer to the following screen for this setup AMIBIOS SETUP STANDARD CMOS SETUP C 1999 fimerican Megatrends Inc All Rights Reserved Date mm dd yyyy Tue 9 07 1999 Base Memory KB Time hh mm ss 17 13 55 Extd Memory MB Floppy Drive fi 1 44 MB 34 Floppy Drive B Not Installed LBA Blk PIO 32Bit Type Size Cyln Head WPcom Sec Mode Mode Mode Mode Pri Master Auto Off Pri Slave Auto Off Sec Master Not Installed Sec Slave Not Installed Boot Sector Virus Protection Disabled Month Jan Dec ESC Exit T1 Sel Day 01 31 PyUp PyDn Modify Year 1901 2099 F1 Help F2 F3 Color For IDE hard disk drive setup please check the following setup procedure 1 Use the Auto setting for detection during boot up 2 Use the IDE HDD AUTO DETECT
15. ION in the main menu to automatically enter the drive specifications 3 Manually enter the specifications by yourself from the User option 25 4 3 Advanced CMOS Setup The Advanced CMOS Setup is designed for user s tuning best performance of the PM 1041 board As for normal operation users dont have to change any default setting The default setting is pre set for most reliable operation Users can set System Keyboard to Absent for the applications which don t need keyboard AMIBIOS SETUP ADVANCED CMOS SETUP C 1999 fimerican Megatrends Inc All Rights Reserved Quick Boot Enabled Available Options ist Boot Device Disabled Znd Boot Device gt Enabled 3rd Boot Device Try Other Boot Devices BootUp Num Lock Floppy Drive Swap Disabled Floppy Drive Seek Disabled PS 2 Mouse Support Enabled System Keyboard Absent Password Check Boot To 08 2 Wait For F1 If Error Enabled Hit DEL Message Display Enabled Internal Cache WriteBack System BIOS Cacheable Disabled C000 16k Shadow Enabled C400 16k Shadow Enabled ESC Exit 11 Sel C800 16k Shadow Disabled PgUp PgDn Mod ify CCOO 16k Shadow Disabled F1 Help F2 F3 Color You can change the value of each option by using lt PgUp gt and lt PgDn gt key The available values are shown on the right screen e Quick Boot gt Enabled this will enable the BIOS to boot quickly when you turn on your computer The BIOS will only check the first
16. PM 1041 Ver 1 x 486 DX66 with SVGA CPU Board Copyright 1999 AII Rights Reserved Manual first edition November 15 1999 The information in this document is subject to change without prior notice in order to improve reliability design and function and does not represent a commitment on the part of the manufacturer In no event will the manufacturer be liable for direct indirect special incidental or consequential damages arising out of the use or inability to use the product or documentation even if advised of the possibility of such damages This document contains proprietary information protected by copyright AII rights are reserved No part of this manual may be reproduced by any mechanical electronic or other means in any form without prior written permission of the manufacturer Trademarks PM 1041 is registered trademark IBM PC is a registered trademark of International Business Machines Corporation Intel is a registered trademark of Intel Corporation AMI is registered trademarks of American Megatrends Inc Other product names mentioned herein are used for identification purposes only and may be trademarks and or registered trademarks of their respective companies Contents oiii cr Ho 1 1 Introduction ape 3 LL RR LEADER EE 4 L2 What You Have eet eerte eei sad 5 2 Jumper iei e er 6 2 1 PMAL S Layout nini ei t noi t ir bee 7 2 2 Unpacking Precautions
17. be set by 1 255 seconds intervals Reset or NMI is Watchdog generated when CPU does not periodically trigger the timer timer Completes backward compatibility to VGA and SVGA VGA display supports CRT resolutions up to 1024 x 768 64K colors 512KB 4MB share memory set in BIOS The DiskOnChip compatible 32pin dip socket is Flash disk provided for Flash Disk DiskOnChipT applications socket which will let users to use the Flash Disk with DOS command without any extra software utility Keyboard Mouse Supports standard PC AT keyboard and PS 2 mouse connector consumption Operating 0 55 C CPU needs Cooler temperature 1 2 What You Have In addition to this User s Manual the PM 1041 package includes the following items e PM 1041 486DX66 with SVGA CPU board e RS 232cable x 2 e Printer cable x 1 e FDD cable x 1 e HDD cable x 1 e One 6 pin header converts to two 6 pin DIN cable for keyboard and mouse connection x 1 e VGA cable x 1 If any of these items are missing or damaged contact the dealer from whom you purchased this product Keep the shipping materials and carton in case you want to ship or store the product in the future Jumper Setting This chapter describes how to install the PM 1041 At first the layout of PM 1041 is shown and the unpacking information that you should be careful is described The jumpers setting instructions of CMOS and DiskOnChip Flash Disk are also included 2
18. ower Down Mode gt to specify the power state of the hard disk after the specified period of hard drive idle has ended 29 e Standby Time Out Minute to specify the length of the system idle period while the system is in full power on state After this period of time has ended the system will go into Standby state e Suspend Time Out Minute to specify the length of the system idle period while the system is in Standby state After this period of time has ended the system will go into Suspend state e Display Activity gt to specify if BIOS has to monitor display activity or not 30 4 6 Peripheral Setup This setup works mostly on is almost working for Multi l O Chip W83977F The options are used to change the Chipset5 registers Please carefully change any default setting to meet your application needs perfectly The only special concern is Onboard Serial Port B If you are using the IrDA port you have to set this port accordingly AMIBIOS SETUP PERIPHERAL SETUP C 1999 fimerican Megatrends Inc fill Rights Reserved OnBoard FDC Enabled Available Options OnBoard Serial PortA 3F8h COM1 Disabled OnBoard Serial PortB 2F8h COM2 gt Enabled IR Port Support Auto IR Mode Select IrDA IR IRQ Select Auto IR DMA Select N A OnBoard Parallel Port 378h Parallel Port Mode Normal EPP Version N A Parallel Port IRQ Parallel Port DMA Channel N A ESC Exit t Sel PgUp PgDn Mod ify F1 Help
19. r Adapter LPT1 3C0 3CF Reserved 3D0 3DF Color Graphics Monitor Adapter 3E8 3EF Serial Port 3 3F0 3F7 Diskette Controller 3F8 3FF Serial Port 1 443 Watch dog timer enable 843 or 043 Watch dog timer disable 37 1st MB Memory Address Map Memory address Description 00000 9FFFF System memory A0000 BFFFF VGA buffer C0000 C7FFF D6000 DDFFF F0000 FFFFF System BIOS 1000000 Extend BIOS IRQ Mapping Chart IRQO System Timer IRQ8 RTC Clock IRQI Keyboard IRQ9 Unused IRQ2 Cascade to IRQ Controller IRQ10 Unused IRQ3 COM2 IRQI1 Unused IRQ4 COMI IRQ12 PS 2 mouse IRQ5 Unused IRQ13 FPU IRQ6 FDC IRQ14 Primary IDE IRQ7 Printer IRQ15 Secondary IDE DMA Channel Assignments DMA Channel Function Available Available Floppy Disk 8 bit transfer Available Cascade for DMA controller 1 Available Available Available O OI AJ ORD o 38
20. ree to store the ID Code Pass Word or Critical Data in the 1Kbit EEPROM Because the EEPROM is nonvolatile memory you dont have to worry about the loss of the very important data Basically the E2KEYTM is based on a 1Kbit EEPROM which is configured to 64 words from 0 to 63 You could access read or write each word at any time When you start to use the you should have the utity in the package The software utility will include four files as follows README DOC E2KEY OBJ EKEYDEMO C EKEYDEMO EXE The E2KEY OBJ provides two library functions for users to integrate their applications with E KEY function Theselibrary functions read e2key and write e2key are written and compiled by C Language Please check the following statement then you will understand how to implement it easily Editor Note What do these marks in pairs stand for 33 unsigned int read e2key unsigned int address This function will return the E KEYTv amp data at address The address range is from 0 to 63 Return data is one word 16 bits void write e2key unsigned int address unsigned data This function will write the given data to E2KEYTM at address The address range is from 0 to 63 The data value is from 0 to 0xffff To easy start to use the function please refer to the included EKEYDEMO C code at first Please note the E KEYTM function is based on the working of parallel port Therefore you should enable the
21. ter RAM If you enable it then the BIOS will be executed from the RAM Each option allows 16KB segment to be shadowed to the RAM 27 4 4 Advanced Chipset Setup These setup functions mainly work for Chipset These options are used to change the Chipsets registers Please carefully change any default setting otherwise the system may become unstable AMIBIOS SETUP ADVANCED CHIPSET SETUP C 1999 fimerican Megatrends Inc All Rights Reserved DRAM Timming Type E D O DRAM Main RAS DRAM RAS Precharge Cycles 4 DRAM RAS to CAS Delay Cycles 4 DRAM CAS Low Pulse Width Cycles 4 IPC Wait State Cycles 4 ISA Clock Frequency 14MHz 2 ISA Insert Wait State Enabled ISA to Host Read Buffer Enabled ISA to Host Write Posting Enabled DMA Clock Frequency ISACLK 2 DMA MEMR IOW Synchronous Disabled DMA 16 Bit Wait State Cycles 4 DMA 8 Bit Wait State Cycles 4 Memory Hole at 15M 16M Disabled CO000 C7FFF cacheable Disabled VGA Frame Buffer Size KB 4096 VGA Clock Frequency Mhz 45 IDE Controller Enabled Available Options F P M b E D O ESC Exit tl Sel PgUp PgDn Mod ify F1 Help F2 F3 Color e Memory Hole at 15M 16M gt to specify the location of a memory hole in the CMOS RAM This setting reserves 15MB to 16 MB memory address space for ISA expansion cards that specifically require this setting Memory from 15MB and up will be unavailable to the system because expansion cards can only access memory up
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