Asus P5E64 WS Computer Hardware User Manual


 
2-20 Chapter 2: Hardware information
2.5.3 Interrupt assignments
IRQ assignments for this motherboard
A B C D E F G H
PCI 1 shared
PCI 2 shared
1394 (6308S) shared
LAN 1 (8056) shared
LAN 2 (8001) shared
Marvell 6145 shared
PCIe x16 1 shared
PCIe x16 2 shared
PCIe x16 3 shared
PCIe x16 4 shared
PCIe x4 shared
USB controller 1 shared
USB controller 2 shared
USB controller 3 shared
USB controller 4 shared
USB controller 5 shared
USB controller 6 shared
USB 2.0 controller 1 shared
USB 2.0 controller 2 shared
SATA controller 1 shared
SATA controller 2 shared
Azalia shared
IRQ Priority Standard function
0 1 System timer
1 2 Keyboard controller
2
Re-direct to IRQ#9
3 11 IRQ holder for PCI steering*
4 12 Communications port (COM1)*
5 13 IRQ holder for PCI steering*
6 14 Floppy disk controller
7 15 IRQ holder for PCI steering*
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 IRQ holder for PCI steering*
15 10 IRQ holder for PCI steering*
* These IRQs are usually available for PCI devices.