Interrupt Assignments - Asus P5MT-C User Manual

2.5.3

Interrupt assignments

Standard interrupt assignments
IRQ
0
1
2
3
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
PCIE x 8 slot 1
PCIE x 8 slot 2
Onboard USB controller 0
Onboard USB controller 1
Onboard USB controller 2
Onboard USB controller 3
Onboard EHCI Controller
Onboard IDE port
Onboard SATA port
Onboard Graphics Controller
Onboard LAN Contorller1
Onboard LAN Contorller2
PCI slot 1
PCI slot 2
PCI slot 3
PCI slot 4
PCI slot 5
2-16
Priority Standard Function
1 System Timer
2 Keyboard Controller
— Re-direct to IRQ#9
11 Communications Port (COM2)*
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 —
— — shared
— — shared
— — —
— —
— — — shared shared shared shared
— — — shared shared shared shared
— — — shared shared shared shared
— — — shared shared shared shared
— — — shared shared shared shared
Chapter 2: Hardware information
E F G
— — —
— — —
— — —
— — —
— — —
— — —
— — —
— — —
— — —
— — —
— — —
— — —
H
—
—
—
—
—
—
—
—
—
—
—
—