Interrupt Assignments - Asus CROSSHAIR User Manual

2.5.3

Interrupt assignments

Standard interrupt assignments
IRQ Priority
0 1
1 2
2 -
5 13
6 14
7 15
8 3
9 4
10 5
11 6
12 7
13 8
14 9
* These IRQs are usually available for ISA or PCI devices.
IRQ assignments for this motherboard
PCI Slot 1
PCI Slot 2
PCI Slot 3
Onboard 1394
PCIE x 16 1
PCIE x 16 2
PCIE x 4
ASUS Crosshair
Standard function
System Timer
Keyboard Controller
Redirect to IRQ#9
IRQ Holder for PCI Steering*
Floppy Disk Controller
Nvidia nForce PCI system
System CMOS/Real Time Clock
Nvidia nForce Networking Controller
IRQ Holder for PCI Steering*
IRQ Holder for PCI Steering*
PS/2 Compatible Mouse Port*
Numeric Data Processor
Primary IDE Channel
A B C
- -
shared
- shared -
shared
shared - -
- -
shared
- - -
- - -
D E F
- - -
- - -
- - -
- - -
- - shared
- - -
G H
- -
- -
- -
- -
- -
-
shared
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