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ASUS P5Q-EM DO 1-21
1.8.3 Interrupt assignments
Standard interrupt assignments
* These IRQs are usually available for ISA or PCI devices.
IRQ Priority Standard function
0 1 System timer
1 2 Keyboard controller
2
– Re-direct to IRQ#9
3 11 IRQ holder for PCI steering*
4 12 Communications port (COM1)*
5 13 IRQ holder for PCI steering*
6 14 Floppy disk controller
7 15 IRQ holder for PCI steering*
8 3 System CMOS/Real Time Clock
9 4 IRQ holder for PCI steering*
10 5 IRQ holder for PCI steering*
11 6 IRQ holder for PCI steering*
12 7 PS/2 compatible mouse port*
13 8 Numeric data processor
14 9 IRQ holder for PCI steering*
15 10 IRQ holder for PCI steering*
P5Q-EM DO.indb 21 12/9/08 12:34:01 PM