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AIMB-258 User Manual
Appendix B
P
in Assignments
B.16
System I/O Ports
B.17
DMA Channel Assignments
Table B.16: System I/O Ports
Addr. range (Hex)
Device
000-01F
DMA controller
020-021
Interrupt controller 1, master
022-023
Chipset address
040-05F
8254 timer
060-06F
8042 (keyboard controller)
070-07F
Real-time clock, non-maskable interrupt (NMI)
mask
080-09F
DMA page register
0A0-0BF
Interrupt controller 2
0C0-0DF
DMA controller
0F0
Clear math co-processor
0F1
Reset math co-processor
0F8-0FF
Math co-processor
1F0-1F8
Fixed disk
200-207
Game I/O
290-29F
On-board hardware monitor
2F8-2FF
Serial port 2
300-31F
Prototype card
360-36F
Reserved
380-38F
SDLCm bisynchronous 2
3A0-3AF
Bisynchronous 1
3C0-3CF
Reserved
3D0-3DF
Color/graphics monitor adapter
3F0-3F7
Diskette controller
3F8-3FF
Serial port 1
3E8-3EF
Serial port3
2E8-2EF
Serial port4
4F8-4FF
Serial port5
4E8-4EF
Serial port6
Table B.17: DMA Channel Assignments
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
Содержание AIMB-258
Страница 8: ...AIMB 258 User Manual viii ...
Страница 38: ...AIMB 258 User Manual 30 1 14 22 CF connector ...
Страница 39: ...Chapter 2 2 BIOS Operation ...
Страница 53: ...Chapter 3 3 Chipset Software Install Utility ...
Страница 56: ...AIMB 258 User Manual 48 ...
Страница 57: ...Chapter 4 4 VGA Setup ...
Страница 59: ...Chapter 5 5 LAN Configuration ...
Страница 62: ...AIMB 258 User Manual 54 ...
Страница 63: ...Appendix A A Programming the Watchdog Timer ...
Страница 65: ...57 AIMB 258 User Manual Appendix A Programming the Watchdog Timer ...
Страница 71: ...Appendix B B Pin Assignments ...
Страница 83: ...75 AIMB 258 User Manual Appendix B Pin Assignments ...