Asus P4V800D-X Motherboard DIY Troubleshooting Guide - Page 23

Standard interrupt assignments, IRQ assignments for this motherboard - drivers audio

Page 23 highlights

Standard interrupt assignments IRQ Priority Standard Function 0 1 1 2 2 N/A 3 11 4 12 5 13 6 14 7 15 8 3 9 4 10 5 11 6 12 7 13 8 14 9 15 10 System Timer Key board Controller Re-Direct to IRQ#9 Communications Port (COM2) IRQ holder for PCI steering IRQ holder for PCI steering Floppy Disk Controller Printer Port (LPT1) System CMOS/Real Time Clock IRQ holder for PCI steering IRQ holder for PCI steering IRQ holder for PCI steering PS/2 Compatible Mouse Port Numeric Data Processor Primary IDE Channel Secondary IDE Channel IRQ assignments for this motherboard PCI slot 1 PCI slot 2 PCI slot 3 AGP Onboard AC97 Audio Onboard LAN A B C D E F G H shared - - - - - - - - shared - - - - - - - - shared - - - - - shared - - - - - - - - - - - - - used - - - - - - - - used 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 1-13

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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