Asus P4V800D-X - Manual (Page 23)

ASUS P4V800D-X Motherboard 1-13
Standard interrupt assignments
IRQ Priority Standard Function
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
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.
A B C D E F G H
PCI slot 1 shared — — — — — — —
PCI slot 2 — shared — — — — — —
PCI slot 3 — — shared — — — — —
AGP shared — — — — — — —
Onboard AC97 Audio — — — — — — used —
Onboard LAN — — — — — — — used