Interrupt Assignments; Irq Assignments For This Motherboard - Asus P5SD1-FM2 User Manual

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Standard interrupt assignments
I R Q
0
1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
* 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 1.1 controller 0
Onboard USB 1.1 controller 1
Onboard USB 1.1 controller 2
Onboard USB 2.0 controller
Onboard Audio
Onboard IDE Controller
Onboard SATA Controller
Onboard LAN
Onboard IEEE 1394a controller
Onboard modem
1-18
This Manual: http://www.manuallib.com/file/2595652

Interrupt assignments

P r i o r i t y
1
2
-
1 1
1 2
1 3
1 4
1 5
3
4
5
6
7
8
9
1 0
The communications port (COM2) is an optional item.
A
shared
—
—
—
—
—
—
—
—
shared
—
—
—
—
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.
Standard Function
System Timer
Keyboard Controller
Re-direct to IRQ#9
Communications Port (COM2)*
Communications Port (COM1)*
IRQ holder for PCI steering*
Floppy Disk Controller
Printer Port (LPT)*
System CMOS/Real Time Clock
IRQ holder for PCI steering*
IRQ holder for PCI steering*
IRQ holder for PCI steering*
PS/2 Compatible Mouse Port*
Numeric Data Processor
Primary IDE Channel
Secondary IDE Channel
B C D
— — —
shared — —
— shared —
— — shared
— — — used
— — —
— — —
— — —
— shared —
— — —
shared — —
— — shared
— shared —
— shared —
Chapter 1: Hardware information
E F G H
— — — —
— — — —
— — — —
— — — —
— — —
— used — —
— — used —
— — — used
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —