Acer 710TE - Extensa - PII 233 MHz Service Manual page 9

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