Interrupt Assignments - Asus P5N-E SLI User Manual

1.8.3

Interrupt assignments

Standard interrupt assignments
IRQ Priority
0
1
2
4
5
6
7
8
9
10
11
12
13
14
15
* These IRQs are usually available for ISA or PCI devices.
IRQ assignments for this motherboard
PCI Express x16 slot 1
PCI Express x16 slot 2
PCI Express x1 slot 1
PCI slot 1
PCI slot 2
Onboard 1394
Onboard Ext SATA
Onboard USB1.0 controller
Onboard USB2.0 controller Onboard USB2.0 controller
Onboard SATA0 controller
Onboard SATA1 controller
Onboard LAN
Onboard IDE controller
Onboard Audio controller
ASUS P5N-E SLI
Standard Function
1 System Timer
2 Keyboard Controller
— Re-direct to IRQ#9
12 Communications Port (COM1)*
13 IRQ holder for PCI steering*
14 Floppy Disk Controller
15 Printer Port (LPT1)*
3 System CMOS/Real Time Clock
4 IRQ holder for PCI steering*
5 IRQ holder for PCI steering*
6 IRQ holder for PCI steering*
7 PS/2 Compatible Mouse Port*
8 Numeric Data Processor
9 Primary IDE Channel
10 Secondary IDE Channel
A
— —
— —
— —
shared —
— shared
— —
— —
— shared
— — — — — —
shared —
— —
shared —
shared —
shared —
B C D
— — shared
— — shared
— —
— —
— —
shared —
— —
— —
— —
— —
— —
— — —
— —
— —
E F G
— —
— —
— — shared
— — —
— — —
— — —
— shared —
— — —
— — — shared
— — —
— — — shared shared shared
— — — — — — — — —
— — —
— — —
H
—
—
—
—
—
—
—
—
—
— — —
—
—
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