Interrupt Assignments - Asus P5GD1-FM User Manual

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Interrupt assignments

Standard interrupt assignments
I R Q
0
1
2
4
5
6
8
9
1 0
1 1
1 3
1 4
* These IRQs are usually available for ISA or PCI devices.
IRQ assignments for this motherboard
PCI slot 1
PCI slot 2
PCI slot 3
PCI Express x16 slot
Onboard USB controller 1
Onboard USB controller 2
Onboard USB controller 3
Onboard USB controller 4
Onboard USB 2.0 controller
Onboard Azalia Audio
Onboard IDE Controller
Onboard SATA Controller
Onboard LAN (10/100 Mbps)
Onboard PCI IDE (ITE)
Onboard IEEE 1394a controller
When using PCI cards on shared slots, ensure that the drivers support
"Share IRQ" or that the cards do not need IRQ assignments; otherwise,
conflicts will arise between the two PCI groups, making the system
unstable and the card inoperable.
1 - 1 6
P r i o r i t y
1
2
-
1 2
1 3
1 4
3
4
5
6
8
9
A
—
—
—
shared
—
—
—
shared
—
shared
—
—
—
—
—
Standard Function
System Timer
Keyboard Controller
Re-direct to IRQ#9
Communications Port (COM1)*
IRQ holder for PCI steering*
Floppy Disk Controller
System CMOS/Real Time Clock
IRQ holder for PCI steering*
IRQ holder for PCI steering*
IRQ holder for PCI steering*
Numeric Data Processor
Primary IDE Channel
B C D
— — —
— — —
— — —
— — —
— — —
— — shared
— shared —
— — —
— — —
— — —
— shared —
— — shared
used — —
— — —
— — —
Chapter 1: Product introduction
E F G
— shared —
— — used
shared — —
— — —
— — —
— — —
— — —
— — —
— — —
— — —
— — —
— — —
— — —
shared — —
— shared —
H
—
—
—
—
shared
—
—
—
shared
—
—
—
—
—
—