3 interrupt assignments, Standard interrupt assignments, Irq assignments for this motherboard – Asus P5K64 WS User Manual
Page 43
ASUS P5K64 WS
2-17
2.5.3
Interrupt assignments
Standard interrupt assignments
IRQ
Priority
Standard Function
0
1
System Timer
1
2
Keyboard Controller
2
—
Re-direct to IRQ#9
3
9
IRQ holder for PCI steering*
4
12
Communications Port (COM1)*
5
13
IRQ holder for PCI steering*
6
14
Floppy Disk Controller
7
15
PCI device
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
10
PCI device
15
11
PCI device
* These IRQs are usually available for PCI devices.
IRQ assignments for this motherboard
A
B
C
D
E
F
G
H
PCI 1394
—
—
— shared —
—
—
—
PCI slot 1
shared —
—
—
—
—
—
—
PCI slot 2
— shared —
—
—
—
—
—
LAN(8052)
—
—
— shared —
—
—
—
LAN(8001)
—
— shared —
—
—
—
—
Marvell 6121
— shared —
—
—
—
—
—
PCIE x16 1
shared —
—
—
—
—
—
—
PCIE x16 2
shared —
—
—
—
—
—
—
PCIE x16 3
— shared —
—
—
—
—
—
PCIE x16 4
—
— 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 —
—
EHCI 1
—
—
—
—
—
— shared —
EHCI 2
— shared —
—
—
—
—
—
SATA controller 1
—
— shared —
—
—
—
—
SATA controller 2
—
—
—
—
— shared —
—
Azalia
—
—
—
—
— shared —
—