3 interrupt assignments, Irq assignments for this motherboard – Asus P5K SE User Manual
Page 44

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 slot 1
shared
–
–
–
–
–
–
–
PCI slot 2
–
shared
–
–
–
–
–
–
LAN (L1)
–
shared
–
–
–
–
–
–
SATA (Marvell)
shared
–
–
–
–
–
–
–
PCIE x16
–
–
shared
–
–
–
–
–
PCIE x1_1
shared
–
–
–
–
–
–
–
PCIE x1_2
–
shared
–
–
–
–
–
–
PCIE x1_3
–
–
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 883
–
–
–
–
–
–
shared
–
IRQ
Standard function
0
System timer
1
Keyboard controller
2
Re-direct to IRQ#9
3
IRQ holder for PCI steering*
4
Communications port (COM1)*
5
IRQ holder for PCI steering*
6
Floppy disk controller
8
System CMOS/Real Time Clock
9
Microsoft ACPI-Compliant System
10
IRQ holder for PCI steering*
11
IRQ holder for PCI steering*
13
Numeric data processor
14
Intel(R) ICH9 Family SMbus Controller
* These IRQs are usually available for PCI devices.