WAFER-4821 DX4-100 MHz with Ethernet SBC
Contents
1. CNB CNE CNI CNS I IDE PET 5 CN2 CN5 __ CN7 NAI a on EM gt CN10 CN11 CN13 ES CN 4 o T gt M m JP10 gt JP11 CN17 CN16 A i Tg z 2115 JP13 CN18 2 2 Unpacking Precautions Some components on WAFER 4821 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 WAFER 4821 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 Y Handle your WAFER 4821 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 2 3 CPU Setting for WAFER 4821 e JP5 CPU CLOCK SETTING The system clock is generated by the AV9155C 02 and the different CPU clock frequency can be selected by JP5 and shown as following table CPU CLK 50MHz 100MHz OPEN CLOSE OPEN 2 4 Watch Dog Timer2. 6 2 2 Unpacking 8 2 3 CPU Setting for 4821 9 2 4 Watch Dog Timer sss 9 2 5 DiskOnChip Flash DISK ados de desi debated 9 2 6 2 RI Pin Setting 10 27 COM2 RS 232 RS 422 or RS 485 Setting 10 2 8 Free and IRQA 10 2 9 Clear CMOS 11 2 10 Ethernet RTL8019AS PNP MODE Setting 11 3 na p eet 12 3 1 Floppy Disk Drive Connector 12 3 2 IDE Disk Drive 13 33 13 34 an 14 3 5 Keyboard Mouse 15 3 6 External Switches 15 3 7 External Power 16 3 8 External 16 3 9 PC 104 Connector Bus 17 3 10 IrDA Infrared Interface 19 3 11 LAN RJ45 Connector 19 3 12 Digital tette te 20 4 AMI BIOS Setup cett 21 4 1 Getting SIT niteat leidas 21
3. current settings and exit Y Exit Mithout Saving Write the current settings to and exit ESC Exit fl Sel F2 F3 Color F10 Save amp Exit 4 11 Exit Without Saving Select this option if you want to exit the Setup without saving the changes that you made Just simply press Enter key and you will exit the BIOS SETUP without saving the changes AMIBIOS HIFLEX SETUP UTILITY VERSION 1 22 C 1999 fmerican Megatrends Inc fill Rights Reserved Standard Setup Advanced CMOS Setup Advanced Chipset Setup Peripheral Setup fiuto Detect Hard Disks fut Quit without saving Y N Y i Exit Without Saving Exit without saving the current settings ESC Exit 11 5 1 F2 F3 Color F10 Save amp Exit 29 Appendix Watch Dog Timer The WatchDog Timer is provided to ensure that standalone 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 a 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 843 043 Disable the Watch Dog Timer hex To enable the Watch Dog Timer user has to define Timer before enable the Watch dog Timer function The ou
4. 31 Appendix B I O Information IO Address Map Interrupt Controller 1 Master 8254 timer Math Coprocessor Game Parallel Printer Port 2 LPT3 Serial Port 4 Reserved Reseved Parallel Printer Port 1 LPT2 380 Monochrome Display Printer Adapter LPT1 Color Graphics Monitor Adapter Serial Port 3 32 1 MB Memory Address Map C8000 EFFFF Free for customer application F0000 FFFFF System BIOS 1000000 Extend BIOS IRQ Mapping Chart IRQO System Timer IRQ8 RTC Clock IRQI Keyboard IRQ9 Unused IRQ2 Cascade to IRQ IRQIO Controller IRQ3 COM2 IRQ11 COM3 4 COMI IRQI2 PS 2 mouse IRQS Unused FPU IRQ6 FDC IRQ14 Primary IDE IRQ7 Printer IRQI5 Unused DMA Channel Assignments DMA Channel Function Available Available Floppy Disk 8 bit transfer Available Cascade for DMA controller 1 Available Available Available 102 33 Appendix C Digital Input and Output Digital Input and Output generally are control signals You can use these signals to control external devices that needs On Off circuit or TTL devices The register address is 340H This register is designed to latch the output data e CN16 Digital I O Signal Name PIN Signal Name 1 GND 6 2 7 002 3 DO1 8 DOO 4 DIN3 9
5. AMIBIOS HIFLEX SETUP UTILITY VERSION 1 22 C 1999 American Megatrends Inc All Rights Reserved Standard Setup fidvanced Setup Advanced Chipset Setup Peripheral Setup fiuto Detect Hard Disks Load high performance settings Y N Y Exit Without Saving Load configuration settings giving highest performance ESC Exit 14 5 1 F2 F3 Color F10 Save amp Exit 4 9 Auto Configuration with Fail Safe Settings This option lets you load the Fail Safe default settings when something happens to your computer so that it cannot boot normally These settings are not the most optimal settings but are the most stable settings AMIBIOS HIFLEX SETUP UTILITY VERSION 1 22 C 1999 American Megatrends Inc All Rights Reserved Standard CMOS Setup Advanced CMOS Setup Advanced Chipset Setup Peripheral Setup fiuto Detect Hard Disks fiu Exit Without Saving Load failsafe configuration settings ESC Exit 174 5 1 F2 F3 Color F10 Save amp Exit 28 4 10 Save Settings and Exit Select this option when you finish setting all the parameters and want to save them into the CMOS Just simply press Enter key and all the configuration changes will be saved fiMIBIOS HIFLEX SETUP UTILITY UERSION 1 22 C 1999 American Megatrends Inc All Rights Reserved Standard CMOS Setup Advanced CMOS Setup Advanced Chipset Setup Peripheral Setup fiuto Detect Hard Disks
6. C800 32k Shadow Disabled ESC Exit 14 5 1 D000 64k Shadow Disabled PgUp PgDn Modify D800 32k Shadow Disabled Fi Help F2 F3 Color You can change the value of each options by using lt PgUp gt and lt PgDn gt key The available values are shown on the right screen 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 1MB of the system memory Quick Boot gt Disabled the BIOS will test all system memory when it boots up It will soend about 40 seconds untill it receives a 23 Ready signal from the HDD It will also wait for you to press the Del key or not 17 278 3 Boot Device gt to define the device type for booting after the routines check up completes If jhe 1 Boot Device fails the BIOS will attempt to boot from the 279 or the 3 device Try Other Boot Devices gt the BIOS will try to boot from any other available device in the system if the 1 2 3 device fails to boot Floppy Access Control gt to define the read write access which is set when booting from a floppy drive Hard Disk Access Control gt to define the read write access which is set when booting from a HDD S M A R T for Hard Disks gt to allow BIOS to use the System Management and Reporting Technologies protocol for reporting server system information on a network BootUp Num Lock gt to turn on off the Num Lock option on a enhanced keyboard when y
7. 1 2 CLOSE OPEN OPEN 3 4 OPEN CLOSE CLOSE 5 6 OPEN OPEN CLOSE 2 8 Free IRQ3 and IRQ4 Setting If you want to free IRQ3 IRQ4 for other application then the 2 COM1 have to be disabled by BIOS setting and the jumper JP9 and JP10 have to be closed to free IRQ3 and IRQ4 respectively e JP9 Free IRQ3 setting OFF Enable COM2 ON Disable COM2 e JP10 Free IRQ4 setting OFF Enable COM1 ON Disable 10 2 9 Clear CMOS Setup If you forget the CMOS password you can clear or reset it by closing the JP11 After JP11 is closed turn on the power for about 3 seconds then turn it off and open the JP11 Now the password and CMOS contents have been cleared from your CMOS e JP11 Clear CMOS OFF NORMAL ON CLEAR 2 10 Ethernet RTL8019AS PNP MODE Setting The Ethernet RTL8019AS can use the PNP mode or the JUMPERLESS mode Non PNP f you want to use the JUMPERLESS mode that must close the JP1 and set the properties of the RSET8019 EXE to JUMPERLESS e JP1 The Ethernet PNP setting OPEN PNP MODE CLOSE JUMPERLESS MODE 11 This chapter describes how to connect peripherals switches and indicators to the WAFER 4821 board You can access most of the connectors from the top of the board while it is installed in the chassis 3 1 Floppy Disk Drive Connector WAFER 4821 board comes equipped with a 34 pi
8. DIN2 5 DIN1 10 DINO Below is the specifications of WAFER 4821 Digital 1 0 Bigital Input Output channels 4 bits ETL Devices compatible Bigital Logic level 0 0 5V max Bigital Logic level 1 3 5V to 5V Begister Address 340H PORT ADRESS 340H G LOOP MOV DX PORT ADDRESS AL DX CMP AL P STATUS JNE W LOOP X STATUS 0 JE G LOOP OUT DX AL MOV X STATUS 0 JMP LOOP W P STATUS AL MOV X STATUS 1 WAIT HERE JMP LOOP X STATUS DB 0 P STATUS DB 34
9. EPP and The most outstanding feature in the WAFER 4821 is the built in PC 104 expansion bus Based on the PC 104 bus you can easily install over thousands of PC 104 modules from hundreds vendors in the world The WAFER 4821 has external power connector that can let it connects to power supply directly It is very suitable for your standalone applications Also it provides four COM Ports three RS232C one RS 232C or RS 422 485 Port for industrial field site application 1 1 Specifications The WAFER 4821 DX4 100 with Ethernet Single Board Computer provides the following specification e System on Chip SOC System core logic I O CPU DX4 100 in one chip Real time clock calendar and battery backup by DS12887 or equivalent Memory DRAM memory up to 32MB 1 pcs 72 pin SIMM on board 4MB designed for customer requirement Disk on Chip socket support one Disk on Chip socket size up to 72MB Ethernet Interface Chipset Realtek RTL 8019AS chipset on board Type 16 bit Ethernet Novell NE2000 compatible 10Base T 10 MBps Connection on board RJ 45 connector Integrated Multi I O IDE hard disk drive interface Supports up to two IDE hard disk drives Can be disabled by BIOS Setup Floppy disk drive interface Supports two 2 88 MB 1 44MB 1 2MB 720KB or 360KB floppy disk drives Can be disabled by BIOS Setup Four high speed Series ports Three RS 232C RS 232C or RS 422
10. of the connector is specified as following table 13 e Parallel Port Connector 3 __ J 6 DATA4 8 DATA6 PRINTER SELECT AUTO FORM FEED ERROR INITIALIZE LPT SELECT LN GND Serial Ports The WAFER 4821 offers four high speed NS16C550 compatible UARTS with Read Receive 16 byte FIFO serial ports These ports let you connect to serial devices or a communication network Two 9 pin connector one 10 pin and one14 pin headers are provided by the WAFER 4821 The detailed pin assignment of the connectors are specified as following tables e CN10 Serial Port3 Connector 9 pin DSUB Pin Signal Name Pin Signal Name 1 DCD 6 DSR 2 RX 7 RTS 3 TX 8 CTS 4 DTR 9 5 GND 10 NC e CN17 Serial Port1 Connector 9 DSUB Pin Signal Name Pin Signal Name 1 DCD 6 DSR 2 RX 7 RTS 3 TX 8 CTS 4 DTR 9 5 GND 10 GND 14 CN16 Serial Port2 Connector 14 Header W Housing PIN NO DESCRIPTION 3 5 Keyboard Mouse Connector The WAFER 4821 provides a 6 pin Mini DIN connector CN13 on the board mounting bracket for single board computer applications e CN13 PS 2Mouse Keyboard Connector Mini Din 3 6 External Switches and Indicators There are many external switches and indicators for monitoring and controlling your CPU board These features are completely optiona
11. 4 2 Standard CMOS Setup sse 22 4 3 Advanced CMOS 23 4 4 Advanced Chipset Setup 25 45 Peripheral 25 4 6 Auto Detect Hard 27 4 7 Change Supervisor 27 4 8 Auto Configuration with Optimal Settings 27 4 9 Auto Configuration with Fail Safe Settings 28 4 10 Save Settings and Exit 29 4 11 Exit Without 29 Appendix A Watch Dog 30 Appendix B I O 32 Appendix C Digital Input and Output 34 Introduction Welcome to the WAFER 4821 DX4 100 with Ethernet Single Board Computer The WAFER 4821 is a stand alone board with PC 104 connector which comes equipped with four COM Ports and advanced high performance multi mode I O and Ethernet function designed for the system manufacturers integrators or VARs to provide all the performance reliability and quality An advanced high performance super I O function is supported by the Maple chipset The on chip UARTs are compatible with the NS16C550 The parallel port and IDE interface are compatible with IBM PC AT and XT architecture s as well as
12. 485 Port PS 2 Mouse Keyboard Connector 6 pin Mini DIN Keyboard Connector Digital I O 4 TTL inputs and 4 TTL outputs Industrial features Watch dog timer Software programmable time period can be set from 1 to 255 seconds Reset is generated when CPU does not periodically trigger the timer 1 2 PC 104 expansion bus A 64 pin and 40 pin industrial embedded PC bus standard e External power connector 5 pin male connector model 2571 08TS e Keyboard connector 6 pin mini DIN keyboard connector General e Power Consumption 5V 9 1 65A DX4 100MHz 32MB RAM e Operating Temperature 0 55 C e Humidity 5 9596 non condensed e Dimension 102 01mm W x 146 48mm L What You Have In addition to this User s Manual the WAFER 4821 package includes the following items e WAFER 4821 DX4 100 with Ethernet Single Board Computer e RS 232 Printer Cable e FDD HDD Cable e Mini Din Keyboard Mouse Adapter Cable 2 Installation This chapter describes how to install the WAFER 4821 The layout of WAFER 4821 is shown on the next page and the Unpacking Precautions that you should be careful with is described on the following page Also included is the jumpers and switches setting for this board s configuration such as system clock setting and Watchdog timer 2 1 WAFER 4821 s Layout Please refer to next page 21 WAFER 4821 s Layout
13. CLKSRC 4 CLKSRC Z 24MHz ESC Exit t Sel PgUp PgDn Modify F1 Help F2 F3 Color Note do not change any value on this page unless you understand well the impact of every value to your system 4 5 Peripheral Setup AMIBIOS SETUP PERIPHERAL SETUP C 1999 American Megatrends Inc All Rights Reserved OnBoard IDE Primary Available Options OnBoard Serial Porti 3F8h COM1 Disabled OnBoard Serial Port2 2F8h COM2 gt Primary OnBoard Parallel Port 378h Secondary Parallel Port Mode SPP BPP Parallel Port IRQ 5 Parallel Port DMA Channel 9 OnBoard FDC Enabled OnBoard Serial Port3 3E8h COM3 Serial Port3 IRQ 11 OnBoard Serial Port4 2E8h COM4 Serial Port4 Mode Normal IrDA Protocol 1 6 uS Serial Port4 IRQ 10 OnBoard GPIO Port 340h ESC Exit t Sel PgUp PgDn Modify Fi Help F2 F3 Color When you enter the Peripheral Setup the following items are available for setting 25 IDE to define the Integrated Drive Electronics controller channel s to be used Available options are Primary Secondary and Disabled On board FDC 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 you set it Auto the BIOS will try to enable any floppy drive controller on the ISA Bus Serial Port 1 The options are Disable 8 2F8 8 2E8 and Auto You can set the I O address of th
14. IRQ12 7 LA19 27 IRQ15 8 LA18 28 IRQ14 9 AL17 29 DACKO 10 MEMR 30 DRQO 11 MEMW 31 DACK5S 12 508 32 DRQ5 13 SD9 33 DACK6 14 5010 34 DRQ6 15 SD11 35 DACK7 16 5012 36 DRQ7 17 SD13 37 VCC 18 5014 38 MASTER 19 5015 39 GND 20 GND 40 GND 17 18 104 64 NO Description PIN NO Description 1 IOCHCK 33 GND 2 507 34 IRSTDRV 3 SD6 35 VCC 4 SD5 36 IRQ9 5 SD4 37 5V 6 SD3 38 N C 7 SD2 39 12V 8 SD1 40 ZWS 9 SDO 41 12V 10 IOCHRDY 42 GND 11 AEN 43 SMEMW 12 LA19 44 SMEMR 13 LA18 45 IOW 14 LA17 46 IOR 15 SA16 47 DACK3 16 SA15 48 DRQ3 17 SA14 49 DACK1 18 SA13 50 DRQ1 19 SA12 51 REFRESH 20 SA11 52 SYSCLK 21 SA10 53 IRQ7 22 SA9 54 N C 23 SA8 55 IRQ5 24 SA7 56 IRQ4 25 SA6 57 IRQ3 26 SA5 58 N C 27 SA4 59 TC 28 SA3 60 BALE 29 SA2 61 VCC 30 SA1 62 OSC 31 63 GND 32 GND 64 GND 18 3 10 IrDA Infrared Interface Port WAFER 4821 built in IrDA port supports Serial Infrared SIR or Amplitude Shift Keyed IR ASKIR interface If you want to use the IrDA port you have to configure the SIR or ASKIR model in the BIOS s Peripheral Setup s Then the normal RS 232 COM4 will be disabled e CN9 IR Connector PIN NO DESCRIPTION VCC N C IR RX GND IR TX 3 11 LAN RJ45 Connector The WAFER 4821 built in RJ45 LAN con
15. The Watch Dog Timer is enabled by reading port 443H It should be triggered before the time out period ends otherwise it will assume the program operation is abnormal and will issue a reset signal to start again The Watch Dog Timer is disable by reading port 043H or 843H e JP2 Watch Dog Timer Type Selector 1 2 RESERVED 23 RESET 2 5 DiskOnChip Flash Disk The DiskOnChip don t need any extra software utility because the DOC is 100 software compatible to hard disk It is just plug and play easy and reliable Right now the DOC is available from 2MB to 144MB e JP3 DiskOnChip Memory Address Setting ADDRESS 1 2 3 4 5 6 OPEN CLOSE CLOSE D600H CLOSE OPEN CLOSE DEO0H OPEN OPEN CLOSE 2 6 COM2 RI Pin Setting The COM2 CN16 can supply 5V or 12V power to the serial devices via RI pin Pin 9 of the COM port connector The max current is 1A with fuse protection If the output is set to 12V make sure that you have 12V to supply to the board e JP13 JP14 for CN16 Pin 8 Selector CN16 Pin9 JP14 JP13 RI Signal 2 3 Don t care 5V 1 2 2 3 412V 1 2 1 2 5V or 12V output is fuse protected 2 7 COM RS 232 RS 422 or RS 485 Setting The CN16 can be set to RS 232 or RS 422 485 for industrial field site application e COM2 CN16 RS 232 422 485 settin RS 232 RS 422 RS 485
16. WAFER 4821 DX4 100 MHz with Ethernet SBC Ver 1 x Copyright 1999 by ICP Electronics Inc All Rights Reserved Manual first edition Oct 14 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 All 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 WAFER 4821 is a registered trademark of ICP Electronics Inc IBM PC is a registered trademark of International Business Machines Corporation Intel is a registered trademark of Intel Corporation AMI is a registered trademark 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 Podere Pelle E 3 1 1 Specifications 4 1 2 What You Have onen nnn 5 2 fee ne eer Sea a 6 21 WAFER 4821 s
17. e serial port 1 or disable it Serial Port 2 The options are Disable 3F8 2F8 3E8 2E8 and Auto You can set the I O address of the serial port 2 or disable it Serial Port The options are Disable 8 2F8 8 2E8 and Auto You can set the I O address of the serial port 3 or disable it Serial Port 4 The options are Disable 3F8 2F8 8 2E8 and Auto You can set the I O address of the serial port 4 or disable it OnBoard Parallel Port The options are Auto Disable 3BC 378 or 278 You can set the I O address of the parallel port or disable it IrDA Protocol to specify the function mode if an IrDA mode is seleced Parallel Port WAFER 4821 provides EPP ECP ECP EPP and SPP BPP 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 ECP passes the parallel port to be used with devices which stick to the ECP specification Parallel Port IRQ to define the Interrupt Request IRQ which is used by the parallel port Parallel Port DMA Channel to set the DMA Channel used by the parallel port 26 4 6 4 7 4 8 Auto Detect Hard Disk This option detects the parameters of an IDE hard disk drive HDD sector cylinder head etc automatically and will put the parameters into the Standard CMOS Setup screen Up to 4 IDE dr
18. ing the BIOS is included with the following content FLASH634 COM flash utility to update BIOS After the POST routines are completed the following message appears Hit DEL if you want to run SETUP To access AMI BIOS SETUP UTILITY press Del key The following screen will be displayed at this time 21 AMIBIOS HIFLEX SETUP UTILITY VERSION 1 22 C 1999 American Megatrends Inc All Rights Reserved Standard CMOS Setup Advanced CMOS Setup Advanced Chipset Setup Peripheral Setup fiuto Detect Hard Disks Change User Password Change Supervisor Password Auto Configuration with Optimal Settings Auto Configuration with Fail Safe Settings Save Settings and Exit Exit Without Saving Standard CMOS setup for changing time date hard disk type etc ESC Exit 14 5 1 F2 F3 Color F10 Save amp Exit 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 setting Please refer to the following screen for this setup AMIBIOS SETUP STANDARD CMOS SETUP 1993 American Megatrends Inc All Rights Reserved Date mm dd yyyy Thu 14 1999 Base Memory KB Time Chh mm ss 12 03 16 Extd Memory MB Floppy Drive A 1 44 MB 34 Floppy Drive B Mot Installed LBA Blk 32Bit Tupe Size Cyln Head WPcom Sec Mode Mode Mode Mode Pri Master fiuto orf Pri Slave Auto off Sec Master Not Insta
19. ives can be detected and the parameters will be listed in the box Press Y if you accept these parameters Press N to skip the next IDE drives Note If your IDE HDD was formatted in previous older system incorrect parameters may be detected In this case you need to enter the correct parameters manually or low level format the disk Change Supervisor Password This option sets a password that is used to protect your system and Setup Utility Supervisor Password has higher priority than User Password Once you setup the password the system will always ask you to key in password every time you enter the BIOS SETUP If you enter the BIOS SETUP with Supervisor Password you can choose every setup option on the main menu but with User Password you can only choose three setup options USER PASSWORD SAVE SETTING AND EXIT and EXIT WITHOUT SAVING To disable these passwords enter the BIOS SETUP room with Supervisor Password and then just press the Enter key instead of entering a new password when the Enter Password prompt pop up N B if you forget the password do the Clear Reset CMOS procedure see Part2 3 the CPU Setting for WAFER 4821 Clear CMOS SETUP Auto Configuration with Optimal Settings This option lets you load the Optimal default settings These settings are bestcase values which will provide the best performance Whenever your CMOS RAM is damaged this Optimal settings will be loaded automatically 27
20. l The detailed pin assignment of the connectors is specified as following table e RESET BUTTON PINNO DESCRIPTION 1 RESET GND 15 e CN2 IDE LED connector PIN NO DESCRIPTION 1 HDD ACTIVE 3 7 External Power Connector The WAFER 4821 has an on board external power connector 2 pin power connector CN7 It let you connect power directly to the CPU board without passive backplane application CN3 EXTERNAL POWER CONNECTOR PIN NO 2 3 GND c 7 EXTERNAL POWER LED CONNECTOR PIN NO Description 1 45V 2 GND 3 8 External Speaker The WAFER 4821 has its own buzzer you also can connect it to the external speaker through the connector CN15 e CN15 External Speaker Connector PIN NO DESCRIPTION 16 3 9 PC 104 Connection Bus The WAFER 4821 PC 104 expansion bus let you attach any kind of PC 104 modules The PC 104 bus has already become the industrial embedded PC bus standard so you can easily install over thousands of PC 104 modules from hundreds of vendors in the world There are two PC 104 connectors on this board PC 104 64 and PC 104 40 e CN19 PC 104 40 Connector PIN NO Description PIN NO Description 1 GND 21 GND 2 22 516 3 LA23 23 lOCS16 4 LA22 24 IRQ10 5 LA21 25 IRQ11 6 LA20 26
21. lled Sec Slave Not Installed Boot Sector Virus Protection Disabled Month Jan Dec ESC Exit t1 Sel Day 91 31 Year 1901 9999 Fi Help F2 F3 Color 22 To set the Date for example press either the arrow Enter button on your keyboard to select one of the fields Months Date or Year then press either lt PgUp gt or PgDn to set it to the current Months Date and Year Do the same steps for Time setting For IDE hard disk drive setup please check the following possible setup procedure 1 Use the Auto Detect Hard Disk option in the main menu the computer will automatically detect the HDD specifications 2 Manually enter the specifications by yourself by selecting the Type of your HDD 4 3 Advanced CMOS Setup The following screen will be displayed if you select Advanced CMOS Setup AMIBIOS SETUP ADVANCED CMOS SETUP C 1999 American Megatrends Inc All Rights Reserved available Options ist Boot Device Floppy Disabled 2nd Boot Device IDE O Enabled 3rd Boot Device CDROM Try Other Boot Devices Yes Floppy Access Control Read Write Hard Disk Access Control Read Wr ite 5 for Hard Disks Disabled BootUp Num Lock On PS72 Mouse Support Enabled System Keyboard Absent Password Check Setup Boot To 05 2 No Wait For Fi If Error Enabled Hit DEL Message Display Enabled System BIOS Cacheable Enabled C000 32k Shadow Enabled
22. n daisy chain driver connector cable The detailed pin assignment of the connector is specified as following table CN8 FLOOPY DISK DRIVE CONNECTOR DESCRIPTION PIN NO DESCRIPTION e 8 INDEX 9 GROUND 12 3 2 IDE Disk Drive Connector You can attach two IDE Integrated Device Electronics hard disk drives to the WAFER 4821 internal controller The board comes equipped with a 44 pin flat cable connector The detailed pin assignment of the connector is specified as following table e CN1 IDE Interface Connector 1 RESET 2 GROUND 3 DATA7 4 __ 5 DATA6 6 __ 7 DATAS DATAIO 9 DATAA 0 10 __ 11 DATAS 12 __ 13 DATA2 14 DATAR __ 15 DATAT 16 __ 4 17 DATAO 18 15 k OND 1 2 k 21 23 e O 29 a 39 35 37 39 10 12 14 16 18 20 L 41 voc ____ se woo 4 43 GND 1 44 VCC 1 8 5 7 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 3 3 Parallel Port This port is usually connected to a printer The WAFER 4821 includes an on board parallel port accessed through a 26 pin flat cable connector CN6 The detailed pin assignment
23. nector is for 10Mbps Ethernet NE 2000 compatible operation e CN14 LAN RJ45 Connector LAN LED Green LED for LINK and Yellow LED for RX 19 3 12 Digital I O One characteristic of digital circuit is its fast respond to high or low signal This kind of respond is badly needed for harsh and critical industrial operating environment Thats why we design 4 bit digital inputs and 4 bit digital outputs on the WAFER 4821 Digital Input and Output generally are control signals You can use these signals to control external devices that needs On Off circuit or TTL devices The register address is 340H or 240H 260H configured with BIOS setting e CN12 Digital I O Signal Name PIN Signal Name 1 GND 6 VCC 2 DO3 7 DO2 3 DO1 8 DOO 4 DIN3 9 DIN2 5 DIN1 10 DINO 20 AMI BIOS Setup The WAFER 4821 uses AMI BIOS for system configuration and 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 4 1 Getting Start When you turn on the power button the BIOS will enter the Power On Self Test routines These routines will be executed for System test and initialization and system configuration verification Note for your convenience a diskette containing files for updat
24. ou 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 PS 2 mouse 15 supported System Keyboard gt to testify whether not a keyboard is attached to the computer Primary Display gt to define the type of display monitor of the system The Absent option is for network file servers 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 gt ROM Shadow is a technique in which BIOS code is copied from slower ROM to faster RAM If you enable it then the BIOS will be executed form the RAM Each option allows 16KB segment to be shadowed to the RAM 24 4 4 Advanced Chipset Setup AMIBIOS SETUP ADVANCED CHIPSET SETUP C 1999 American Megatrends Inc All Rights Reserved fvailable Options RAS Precharge Time 2T gt Automatic RAS to CAS Read Cycle Delay 2T 14 318 2 RAS to CAS Write Cycle Delay 2T CLKSRC S CAS Precharge Read Time 1T CLKSRC 3 CAS Precharge Write Time 1T CLKSRC 2 5 CAS Width in Read Cycle 1T CLKSRC 1 5 CAS Width in Write Cycle 1T CLKSRC 1 00
25. tput 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 port 043H and 443H This must be done within the time out period that is selected by software please refer to the example program 30 A tolerance of at least 5 must be maintained to avoid unknown routines within the operating system DOS such as 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 OUT AL 8 8 SECONDS ADD YOUR APPLICATION HERE 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 AL DX RESTART COUNTER ADD YOUR APPLICATION HERE CMP EXIT AP 0 JNE W LOOP MOV DX TIMER STOP IN AL DX EXIT AP
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