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ASUS Crosshair
2-21
2.5.3 Interrupt assignments
Standard interrupt assignments
* These IRQs are usually available for ISA or PCI devices.
A B C D E F G H
PCI Slot 1
shared
- - - - - - -
PCI Slot 2 -
shared
- - - - - -
PCI Slot 3
shared
Onboard 1394
shared
- - - - - - -
PCIE x 16 1
shared
- - - - - - -
PCIE x 16 2 - - - - -
shared
- -
PCIE x 4 - - - - - -
shared
-
IRQ assignments for this motherboard
IRQ Priority Standard function
0 1 System Timer
1 2 Keyboard Controller
2 - Redirect to IRQ#9
5 13 IRQ Holder for PCI Steering*
6 14 Floppy Disk Controller
7 15 Nvidia nForce PCI system
8 3 System CMOS/Real Time Clock
9 4 Nvidia nForce Networking Controller
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