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45 

Appendix B. I/O Address Map 

B.1 System I/O Address Map 

I/O Address Map

Description 

000-01F 

DMA Controller #1 

020-021 

Interrupt Controller # 1, Master 

022-023 Chipset 

address 

040-05F System 

Timer 

060-06F 

Standard 101/102 keyboard Controller 

070-07F 

Real time Clock, NMI Controller 

080-0BF 

DMA Page Register 

0A0-0BF 

Interrupt Controller # 2 

0C0-0DF 

DMA Controller # 2 

0F0-0F0 

Clear Math Coprocessor Busy 

0F1-0F1 

Reset Math Coprocessor 

0F8-OFF Math 

Coprocessor 

1F0-1F8 

VIR BUS Master PCI IDE Controller 

200-207 Game 

I/O 

278-27F Reserved 
2F8-2FF 

Serial Port 2 

378-37F 

Parallel Printer Port 1 

3B0-3DF Cyrix 

Graphic 

Adapter 

3F0-3F7 

Floppy Disk Controller 

3F8-3FF 

Serial Port 1 

543 

Watch dog timer enable 

143/943 

Watch dog timer disable 

PnP audio I/O map range from 220~250H (16 bytes) 

MPU-401 select from 300~330H (2 bytes) 

B.2 DMA channel assignments 

Channel

Function

 

0 

Available

 

1 

Audio*

 

2 

Floppy disk (8-bit transfer)

 

3 

Parallel**

 

4 

Cascade for DMA controller 1

 

5 

Audio*

 

6 

Available

 

7 

Available

 

* Audio DMA defaults setting: DMA 1.5 

46 

Audio High DMA select: DMA 1.3 

Audio Low DMA select: DMA 5.6.7 

** Parallel port DMA default setting: DMA 3 

  Parallel port DMA select: DMA 1.3 

B.3 Interrupt assignments 

Interrupt #

Interrupt source 

NMI 

Parity error detected 

IRQ 0 

System timer 

IRQ 1 

Keyboard 

IRQ 2 

Interrupt from controller 2 (cascade) 

IRQ 8 

Real-time clock   

IRQ 9 

Available 

IRQ 10 

Available 

IRQ 11 

Available 

IRQ 12 

PS/2 mouse 

IRQ 13 

Numeric data processor 

IRQ 14 

Fixed disk controller 

IRQ 15 

USB controller 

IRQ 3 

Serial communication port 2 

IRQ 4 

Serial communication port 1 

IRQ 5 

Audio* 

IRQ 6 

Diskette controller (FDC) 

IRQ 7 

Parallel port 1 (print port) 

* Audio default setting: IRQ5 

  Ethernet IRQ is automatic set by the system 

 

 

 

 

 

 

Summary of Contents for WAFER-5825

Page 1: ...s 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 Other product names mentioned herein are used for identification purposes only and may be trademarks and or registered trademarks of their respective companies 2 Contents Introduction 4 1 1 Specifications 4 1 2 What You...

Page 2: ...and high performance GX1 300 processor on board It also contains an SDRAM SODIMM socket that can support up to 512MB memory The WAFER 5825 provides an Ethernet interface audio interface EIDE interface one CardBus interface one parallel port two serial RS 232 ports two USB ports and a mini DIN PS 2 keyboard mouse interface The built in SVGA LCD display controller supports both the CRT and LCD displ...

Page 3: ...terface two USB ports USB 1 0 compliant Power management supports power saving modes including Normal Doze Sleep modes APM1 1 compliant WatchDog timer can be set to 1 255 second s period Reset was generated when CPU did not periodically trigger the timer 10 100Mbps Ethernet Controller Realtek RTL8139 IEEE802 u 100 BASE TX standard Dual Auto sensing interface to 10MBps or 100MBps networks On board ...

Page 4: ...MX TMEnhanced Processor Serial Packet RGB Port Graphics MD 63 0 Clocks RTL 8139 10 100M Ethornet System Clocks CN17 USB 2 Ports CN6 Speakers CD IN CD ROM Audio CN6 Micro phone AC97 CODEC AD1881 CN15 Ethornet 14 31818 MHz Crystal CN1 CN2 IDE Devices Award BIOS 2Mb WDT Debug prot CN10 Super I O 83977 Winbond Printer COM2 COM1 MAX 3243 CN11 Printer COM1 RS 232 CN14 MAX 3243 COM2 CN12 RS 232 CN13 VGA ...

Page 5: ...enabled by reading port 543H 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 restart The Watch Dog Timer is disabled by reading port 143 943H For Detail information on Watch Dog Timer Refer to Appendix A JP1 Watch Dog Active Type Setting JP1 DESCRIPTION SHORT RESET WHEN WDT TIME OUT OPEN DISABLE WDT ...

Page 6: ... DATA 4 10 DATA 11 11 DATA 3 12 DATA 12 13 DATA 2 14 DATA 13 15 DATA 1 16 DATA 14 17 DATA 0 18 DATA 15 19 GROUND 20 N C 21 IDE DRQ 22 GROUND 23 IOW 24 GROUND 25 IOR 26 GROUND 27 IDE CHRDY 28 GROUND 3 12 29 IDE DACK 30 GROUND DEFAULT 31 INTERRUPT 32 N C 33 SA1 34 N C 35 SA0 36 SA2 37 HDC CS0 38 HDC CS1 39 HDD ACTIVE 40 GROUND 41 VCC 42 GROUND 43 GROUND 44 GROUND CN1 Secondly IDE Interface Connector...

Page 7: ...or a communication network One 9 pin D SUB connector and one 10 pin header are provided by the WAFER 5825 The detailed pin assignment of the connectors are specified as following tables CN14 Serial Port1 Connector 9 pin DSUB 14 PIN NO DESCRIPTION 1 DATA CARRIER DETECT DCD 2 RECEIVE DATA RXD 3 TRANSMIT DATA TXD 4 DATA TERMINAL READY DTR 5 GROUND GND 6 DATA SET READY DSR 7 REQUEST TO SEND RTS 8 CLEA...

Page 8: ...nector CN17 The WAFER 5825 provides two USB interfaces which gives the complete plug and play for up to 127 external devices CN17 Internal USB Connector 1 USBVCC1 2 D1 3 D1 4 GND 16 5 USBVCC2 6 D2 7 D2 8 GND 9 GND 10 GND 3 7 IrDA Infrared Interface Port CN5 The WAFER 5825 s built in an IrDA port which supports Serial Infrared SIR or Amplitude Shift Keyed IR ASKIR interface Using the IrDA port have...

Page 9: ...LP 4 FLM 5 GND 6 RED0 7 RED1 8 RED2 9 RED3 10 RED4 11 RED5 12 GND 13 GREEN0 14 GREEN1 15 GREEN2 16 GREEN3 17 GREEN4 18 GREEN5 19 GND 20 BLUE0 21 BLUE1 22 BLUE2 23 BLUE3 24 BLUE4 25 BLUE5 26 GND 27 M 28 PLCD 2 30 1 31 CN3 18 29 PLCD 30 PLCD 31 NC Note Pin 28 29 30 PLCD the voltage of LCD can be selected 5V or 3 3V by the jumper JP2 CN8 LCD Inverter Connector PIN NO DESCRIPTION 1 12V 2 ENABKL 3 GND ...

Page 10: ... 21 GND 22 AEN 3 15 CardBus Connector The WAFER 5825 built in a CardBus interface connector CN4 CN4 CardBus Connector 20 PIN NO FUNCTION PIN NO FUNCTION 1 GND 2 D3 3 D4 4 D5 5 D6 6 D7 7 CE1 8 A10 9 OE 10 A11 11 A9 12 A8 13 A13 14 A14 15 WE 16 READY 17 VCC 18 VCC 19 A16 20 A15 21 A12 22 A7 23 A6 24 A5 25 A4 26 A3 27 A2 28 A1 29 A0 30 D0 31 D1 32 D2 33 WP 34 GND 35 GND 36 CD1 37 D11 38 D12 39 D13 40...

Page 11: ...T routines are completed the following message appears Hit DEL if you want to run SETUP 4 22 To access AWARD BIOS SETUP UTILITY press Del key The following screen will be displayed at this time 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 the following scree...

Page 12: ...nformation on any particular field just highlight it then press F1 button A pop up window will come out to give you more information on that field 24 4 3 BIOS FEATURES SETUP This BIOS Features Setup is designed for the fine tuning of your system in order to improve its performance As for normal operation you don t have to change any default setting The default setting is pre set for most reliable ...

Page 13: ...ck Ratio Div By This option is used to set the operating frequency of DRAM If your board is equipped with GX1 300MHz CPU and the setting is 4 then the operating frequency will be 75 MHz 300 4 26 4 5 POWER MANAGEMENT SETUP Power Management Setup helps user to handle the WAFER 5825 board s green function This feature can shut down the video display and hard disk to save energy for example The power ...

Page 14: ... computer to assign the IRQs automatically and vice versa Reset Configuration Data Enabling this field means you allow the configuration data to be reset IRQ xx assigned to these fields show whether certain IRQ is used by a PCI ISA card 28 4 7 LOAD BIOS DEFAULTS If you select Y to this field the BIOS Defaults will be loaded except Standard CMOS SETUP The default settings are not optimal and turnin...

Page 15: ... F7 to load Setup Defaults The flat panels will then be applied with two modes 640x480 or 800x600 for which it need to set up from BIOS for proper flat panel resolution Build in CPU Audio Enabled Disabled To disable or enable the audio function Audio I O Base Address 220H 240H 260H 280H To select the I O address for the audio function MPU 401 I O Base Address 300H 330H Disabled To select the I O a...

Page 16: ...ystem 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 EXIT SETUP and EX...

Page 17: ... 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 34 4 12 SAVE EXIT SETUP Select this option when you finish setting all the parameters and want to save them into the CMOS Just ...

Page 18: ... 18 bit LCD displays and traditional analog CRT monitors The VGA BIOS supports LCD Besides it also accepts interlaced and non interlaced analog monitors color and monochrome VGA with high resolution quality while maintaining complete IBM VGA compatibility But digital monitors i e MDA CGA and EGA can be NOT supported Multiple frequency multi sync monitors are operated as if they were analog monitor...

Page 19: ...rm high quality stereo sound and FM music synthesis ESFM by using the CX5530 audio controller The audio interface has functions of recording compressing and playing back voice sound and music with a built in mixer control In addition the on board audio interface supports the Plug and Play PnP standard and provides PnP configuration for audio FM and MPU 104 logical devices It is compatible with AC9...

Page 20: ...S which can be enabled disabled in the BIOS setup The 8139x utility tools all in driver CDROM Lan Realtek 8139c 7 40 CardBus Interface 8 1 Introduction The WAFER 5825 provides a high performance 32 bit PCI bus Interface to CardBus interface chipset which can support the 32 bit CardBus Card 32 and the 16 bit CardBus Card 16 It also supports ZV Zoom Video Card control interface without external buff...

Page 21: ...98 8 3 2 R5C475II Installation Windows 98 No configuration is necessary except the general setting of BIOS 4 3 42 Appendix A Watch Dog Timer The WatchDog Timer is a device 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 normally hardware on the...

Page 22: ...rt 543H must be read within 7 seconds Note when exiting a program it is necessary to disable the WatchDog Timer otherwise the system will reset Example assembly program TIMER_PORT 543H TIMER_START 543H TIMER_STOP 943H 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 44 ADD YOUR APPLICATION HERE W_LOOP MOV DX TIMER_S...

Page 23: ...ange from 220 250H 16 bytes MPU 401 select from 300 330H 2 bytes B 2 DMA channel assignments Channel Function 0 Available 1 Audio 2 Floppy disk 8 bit transfer 3 Parallel 4 Cascade for DMA controller 1 5 Audio 6 Available 7 Available Audio DMA defaults setting DMA 1 5 46 Audio High DMA select DMA 1 3 Audio Low DMA select DMA 5 6 7 Parallel port DMA default setting DMA 3 Parallel port DMA select DMA...

Page 24: ...FFh System ROM D800h EFFFh Unused C800h D7FFh Ethernet ROM C000h C7FFh Expansion ROM B800h BFFFh CGA EGA VGA text B000h B7FFh Unused A000h AFFFh EGA VGA graphics 0000h 9FFFh Base memory D000 D400H Available Default setting If Ethernet boot ROM is enabled ...

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