Chapter 1
1-7
IRQ15
CD-ROM driver
DMA channel default assignment
Channel
Default setting
mode
DRQ/DACK0
8-bit
DRQ/DACK1
ECP
8-bit
DRQ/DACK2
Floppy
8-bit
DRQ/DACK3
Fast Infrared
8-bit
DRQ/DACK5
not use
16-bit
DRQ/DACK6
not use
16-bit
DRQ/DACk7
not use
16-bit
I/O address map
Address
Drvice
000-00F
DMA controller-1
020-021
Interrupt controller-1
040-043
Timer 1
048-04B
Timer2
060-06E
Keyboard controller 8742 chip select
070-071
Real-time clock and NMI mask
080-08F
DMA page register
0A0-0A1
Interrupt controller-2
0C0-0DF
DMA controller-2
1F0-1F7
Hard disk select
220-22F
Audio (option)
230-23F
Audio (option)
240-24F
Audio (option)
250-25F
Audio (option)
278-27F
Parallel port 3
2E8-2EF
COM4
2F8-2FF
COM2
378, 37A
Parallel port 2
3BC-3BE
paraller port 1
3B4, 3B5, 3BA
Video subsystem
3C0-3C5
Video subsystem
Interrupt channel default assignment
Channel
Default setting
mode
Remarks
700SG-1.fm Page 7 Monday, June 8, 1998 6:38 PM
Содержание 710TE - Extensa - PII 233 MHz
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