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IEI Technology WAFER-4823 User Manual Download Page 46

 

 

44

1st MB Memory Address Map 

 

Memory address 

Description 

    00000-9FFFF 

     System memory 

    A0000-BFFFF 

     VGA buffer 

    C0000-C7FFF 

     VGA BIOS 

    C8000-EFFFF 

     Free for customer application 

    F0000-FFFFF 

     System BIOS 

    1000000- 

     Extend BIOS 

 

 

IRQ Mapping Chart 

 

IRQ0  System Timer  IRQ8 

RTC Clock 

 IRQ1    Keyboard 

 IRQ9   Unused 

 IRQ2   Cascade to IRQ  

 Controller  

 IRQ10  Unused 

 IRQ3   COM2/COM4 

 IRQ11  Unused 

 IRQ4   COM1/COM3 

 IRQ12  PS/2 mouse 

 IRQ5   Unused 

 IRQ13  FPU 

 IRQ6   FDC 

 IRQ14  Primary IDE 

 IRQ7   Printer 

 IRQ15  Unused 

 

 

DMA Channel Assignments 

 

DMA Channel 

Function 

       0 

   Available 

       1 

   Available 

       2 

   Floppy Disk (8-bit transfer) 

       3 

   Available 

       4 

   Cascade for DMA controller 1 

       5 

   Available 

       6 

   Available 

       7 

   Available 

 

Summary of Contents for WAFER-4823

Page 1: ...November 27 2003 Copyright 1999 by ICP Electronics Inc All Rights Reserved WAFER 4823 DX4 100 MHz with LCD CRT Ethernet SBC User Manual Version 2 1...

Page 2: ...ains 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 permi...

Page 3: ...14 2 10 REALTEK8019AS SETTING 14 CHAPTER 3 CONNECTION 15 3 1 FLOPPY DISK DRIVE CONNECTOR 15 3 2 IDE DISK DRIVE CONNECTOR 16 3 3 PARALLEL PORT 17 3 4 SERIAL PORTS 18 3 5 KEYBOARD MOUSE CONNECTOR 19 3...

Page 4: ...GURATION WITH OPTIMAL SETTINGS 37 4 9 AUTO CONFIGURATION WITH FAIL SAFE SETTINGS 38 4 10 SAVE SETTINGS AND EXIT 39 4 11 EXIT WITHOUT SAVING 40 APPENDIX A A WATCH DOG TIMER 41 APPENDIX B I O INFORMATIO...

Page 5: ...tion 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 EPP and ECP...

Page 6: ...vels 15 Real time clock calendar STM48T86 or equivalent chip and quartz oscillator powered by lithium battery for over 10 years of data retention z Memory DRAM memory 1 piece of 72 pin SIMM up to 32MB...

Page 7: ...sk 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...

Page 8: ...an be set for 1 2 10 20 110 or 220 seconds period Reset or NMI is generated when CPU does not periodically trigger the timer Your program uses hex 043 and 443 to control the watch dog and generate a s...

Page 9: ...cludes the following items z One WAFER 4823 DX4 100 with LCD CRT Ethernet single board computer z One printer cable z One FDD HDD cable z One 6 pin mini din keyboard mouse adapter cable z One power co...

Page 10: ...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 configuratio...

Page 11: ...9 Layout...

Page 12: ...n do it by using a grounded wrist strap at all times or by frequently touching any conducting materials that is connected to the ground 9 Handle your WAFER 4823 SBC by its edges Don t touch IC chips l...

Page 13: ...ration is abnormal and will issue a reset signal to start again or activate NMI to CPU The Watch Dog Timer is disable by reading port 043H JP3 Watchdog Timer Type Selector JP4 Watchdog Timer Time Out...

Page 14: ...Setting JP5 Description 1 2 CE00H 3 4 D600H 5 6 DE00H 2 6 RI Pin Settings for Serial port2 The Serial port2 CN4 can supply 5V or 12V power to the serial devices via RI pin Pin 9 of the serial port co...

Page 15: ...F 3 4 OFF ON ON 5 6 OFF OFF ON 2 8 Free IRQ3 and IRQ4 Settings If you want to free IRQ3 and IRQ4 for other application then the COM2 and COM1 have to be disabled by BIOS setting and the jumper JP15 an...

Page 16: ...is closed turn on the power for about 3 seconds then turn it off and open the JP19 Now the password has been cleared from your CMOS JP19 Clear CMOS OFF NORMAL ON CLEAR 2 10 Realtek8019AS Setting The R...

Page 17: ...ector cable The detailed pin assignment of the connector is specified as following table CN7 FDC CONNECTOR PIN NO DESCRIPTION PIN NO DESCRIPTION 1 GROUND 2 REDUCE WRITE 3 GROUND 4 N C 5 GROUND 6 N C 7...

Page 18: ...Interface Connector PIN NO DESCRIPTION PIN NO DESCRIPTION 1 RESET 2 GROUND 3 DATA 7 4 DATA 8 5 DATA 6 6 DATA 9 7 DATA 5 8 DATA 10 9 DATA 4 10 DATA 11 11 DATA 3 12 DATA 12 13 DATA 2 14 DATA 13 15 DATA...

Page 19: ...assignment of the connector is specified as following table CN8 Parallel Port Connector PIN NO DESCRIPTION PIN NO DESCRIPTION 1 STROBE 2 DATA 0 3 DATA 1 4 DATA 2 5 DATA 3 6 DATA 4 7 DATA 5 8 DATA 6 9...

Page 20: ...nment of the connectors are specified as following tables CN5 Serial Port1 Connector 9 pin DSUB PIN NO DESCRIPTION 1 DATA CARRIER DETECT DCD 2 RECEIVE DATA RXD 3 TRANSMIT DATA TXD 4 DATA TERMINAL READ...

Page 21: ...TX2 RX2 must be twisted each Any how you can only choose to use RS 232 or RS 422 485 3 5 Keyboard Mouse Connector The WAFER 4823 provides a 6 pin Mini DIN connector CN2 on the board mounting bracket f...

Page 22: ...ified as following table CN3 RESET BUTTON PIN NO DESCRIPTION 1 RESET 2 GND CN10 IDE LED connector PIN NO DESCRIPTION 1 HDD ACTIVE 2 5V 3 7 External Power Connector The WAFER 4823 has an on board exter...

Page 23: ...PIN NO Description 1 5V LED 2 GND 3 8 External Speaker The WAFER 4823 has its own buzzer you also can connect it to the external speaker through the connector CN19 CN19 External Speaker Connector PIN...

Page 24: ...in the world There are two PC 104 connectors on this board PC 104 64 and PC 104 40 CN12 PC 104 40 Connector PIN NO Description PIN NO Description 1 GND 21 GND 2 MCS16 22 SBHE 3 IOCS16 23 LA23 4 IRQ10...

Page 25: ...WS 9 SD0 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...

Page 26: ...OUND 6 GROUND 7 GROUND 8 GROUND 9 NC 10 GROUND 11 NC 12 NC 13 HSYNC 14 VSYNC 15 NC CN14 LCD Interface Connector PIN NO Description PIN NO Description 1 12V 2 12V 3 GND 4 GND 5 5V 6 5V 7 FPVEE 8 GND 9...

Page 27: ...tion 1 LINK 2 5V 3 RX 4 5V 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 opera...

Page 28: ...26 CN16 Digital I O PIN NO Description PIN NO Description 1 GND 6 VCC 2 DO3 7 DO2 3 DO1 8 DO0 4 DIN3 9 DIN2 5 DIN1 10 DIN0...

Page 29: ...n verification Note for your convenience a diskette containing files for updating the BIOS is included with the following contents FLASH634 COM flash utility to update following BIOS 15AMLCD ROM WAFER...

Page 30: ...8 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 tim...

Page 31: ...or Enter button on your keyboard to select one of the fields Months Date or Year then press either PgUp or PgDn to set it to the current Months Date and Year Do the same steps for Time setting For IDE...

Page 32: ...are shown on the right screen Quick Boot 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 Disabl...

Page 33: ...ve Hard Disk Access Control to define the read write access which is set when booting from a HDD S M A R T for Hard Disks to allow BIOS to use the System Management and Reporting Technologies protocol...

Page 34: ...ting 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 execu...

Page 35: ...33 4 4 Advanced Chipset Setup Note do not change any value on this page unless you understand well the impact of every value to your system...

Page 36: ...tions 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 If yo...

Page 37: ...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...

Page 38: ...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...

Page 39: ...ptimal Settings This option lets you load the Optimal default settings These settings are best case values which will provide the best performance Whenever your CMOS RAM is damaged this Optimal settin...

Page 40: ...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 bu...

Page 41: ...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 sav...

Page 42: ...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 chang...

Page 43: ...e Watchdog Timer 043 hex Read Disable the Watchdog Timer To enable the Watchdog Timer a read from I O port 443H must be performed This will enable and activate the countdown timer which will eventuall...

Page 44: ...42 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 Watchdog Timer otherwise the system will reset...

Page 45: ...usy 0F1 Reset Math Coprocessor 0F2 Core logic programming configuration 0F8 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...

Page 46: ...g Chart IRQ0 System Timer IRQ8 RTC Clock IRQ1 Keyboard IRQ9 Unused IRQ2 Cascade to IRQ Controller IRQ10 Unused IRQ3 COM2 COM4 IRQ11 Unused IRQ4 COM1 COM3 IRQ12 PS 2 mouse IRQ5 Unused IRQ13 FPU IRQ6 FD...

Page 47: ...45 Appendix C DIMENSION...

Page 48: ...of WAFER 4823 Digital I O Digital Input Output channels 4 bits TTL Devices compatible Digital Logic level 0 0 5V max Digital Logic level 1 3 5V to 5V Register Address 340H Register Format Digital Inp...

Page 49: ...47...

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