Asus P5KPL CM User Guide - Page 33

Interrupt assignments

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1.8.3 Interrupt assignments Standard interrupt assignments IRQ Priority Standard Function 0 1 System Timer 1 2 Keyboard Controller 2 - Re-direct to IRQ#9 3 10 Communications Port (COM1) 4 11 IRQ holder for PCI steering* 5 12 Standard Floppy Disk Controller 6 13 Printer Port (LPT1) 7 3 System CMOS/Real Time Clock 8 4 IRQ holder for PCI steering* 9 5 IRQ holder for PCI steering* 10 6 IRQ holder for PCI steering* 11 7 PS/2 Compatible Mouse Port 12 8 Numeric Data Processor 13 9 Primary IDE Channe * These IRQs are usually available for PCI devices. IRQ assignments for this motherboard A B C D E PCI1 - - - shared - PCI2 shared - - -- PCIEX16_1 shared - - -- PCIEX1_1 shared - - -- Onboard USB controller 1 - - - -- Onboard USB controller 2 - - - shared - Onboard USB controller 3 - - shared - - Onboard USB controller 4 shared - - -- Onboard USB 2.0 controller - - - -- Onboard HD audio shared - - -- Onboard LAN - Used - -- FGH shared shared --- --- ASUS P5KPL-CM 1-21

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ASUS P5KPL-CM
1-21
1.8.3
Interrupt assignments
* These IRQs are usually available for PCI devices.
Standard interrupt assignments
IRQ
Priority
Standard Function
0
1
System Timer
1
2
Keyboard Controller
2
Re-direct to IRQ#9
3
10
Communications Port (COM1)
4
11
IRQ holder for PCI steering*
5
12
Standard Floppy Disk Controller
6
13
Printer Port (LPT1)
7
3
System CMOS/Real Time Clock
8
4
IRQ holder for PCI steering*
9
5
IRQ holder for PCI steering*
10
6
IRQ holder for PCI steering*
11
7
PS/2 Compatible Mouse Port
12
8
Numeric Data Processor
13
9
Primary IDE Channe
IRQ assignments for this motherboard
A
B
C
D
E
F
G
H
PCI1
shared
PCI2
shared
PCIEX16_1
shared
PCIEX1_1
shared
Onboard USB controller 1
shared
Onboard USB controller 2
shared
Onboard USB controller 3
shared
Onboard USB controller 4
shared
Onboard USB 2.0 controller
shared
Onboard HD audio
shared
Onboard LAN
Used