Standard Interrupt Assignments; Irq Assignments For This Motherboard - Asus P4V800D-X User Manual

Standard interrupt assignments

IRQ Priority
0 1 System Timer
1 2 Key board Controller
2 N/A Re-Direct to IRQ#9
3 11 Communications Port (COM2)
4 12 IRQ holder for PCI steering
5 13 IRQ holder for PCI steering
6 14 Floppy Disk Controller
7 15 Printer Port (LPT1)
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 Primary IDE Channel
15 10 Secondary IDE Channel

IRQ assignments for this motherboard

PCI slot 1 shared
PCI slot 2
PCI slot 3
AGP shared
Onboard AC97 Audio
Onboard LAN
When using PCI cards on shared slots, ensure that the drivers support "Share
IRQ" or that the cards do not need IRQ assignments; otherwise, conflicts will arise
between the two PCI groups, making the system unstable and the card inoperable.
ASUS P4V800D-X Motherboard
Standard Function
A B C D
— — —
— shared — —
— — shared —
— — —
— — — —
— — — —
E F G H
— — — —
— — — —
— — — —
— — — —
— — used —
— — — used
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