Interrupt I/O addresses, and DMA assignment
Technical data
A26391-K84-Z100-1-7619
91
Fixed internal settings:
Function
I/O address
IRQ
DMA
System Timer
040h-043h
0
Keyboard
060h, 064h
1
Interrupt controller
020h-021h, -0A0h-
0A1h
2
Floppy disk drive controller
3F0h-3F5h, 3F7h
6
2
System CMOS / Realtime clock
070h-071h
8
PC card controller
"Cirrus CL-PD 6832"
automatically defined
Shared IRQ
USB controller
automatically defined
Shared IRQ
Synaptics touchpad
12
Numeric processor
0F0h-0FFh
13
Intel 82371AB PCI bus
Master IDE controller
1F0h-1F7h, 3F6h
14
DMA controller
000h-00Fh, 081h-08Fh,
0C0h-0DFh
4
PCI bus
CF8h-CFFh