Interrupt Assignments - Asus P5Q-EM DO User Manual

1.8.3

Interrupt assignments

Standard interrupt assignments
IRQ Priority
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
* These IRQs are usually available for ISA or PCI devices.
ASUS P5Q-EM DO
P5Q-EM DO.indb 21
Standard function
1 System timer
2 Keyboard controller
– Re-direct to IRQ#9
11 IRQ holder for PCI steering*
12 Communications port (COM1)*
13 IRQ holder for PCI steering*
14 Floppy disk controller
15 IRQ holder for PCI steering*
3 System CMOS/Real Time Clock
4 IRQ holder for PCI steering*
5 IRQ holder for PCI steering*
6 IRQ holder for PCI steering*
7 PS/2 compatible mouse port*
8 Numeric data processor
9 IRQ holder for PCI steering*
10 IRQ holder for PCI steering*
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