Asus K8N-DL User Guide - Page 35

Interrupt assignments

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2.5.3 Interrupt assignments Standard interrupt assignments IRQ Priority 0 1 1 2 2 - 4 12 5 13 6 14 7 15 8 3 9 4 10 5 11 6 12 7 13 8 14 9 15 10 Standard Function System Timer Keyboard Controller Re-direct to IRQ#9 Communications Port (COM1)* IRQ holder for PCI steering* Floppy Disk Controller Printer Port (LPT1)* 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 * These IRQs are usually available for ISA or PCI devices. ASUS K8N-DL 2-15

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ASUS K8N-DL
ASUS K8N-DL
ASUS K8N-DL
ASUS K8N-DL
ASUS K8N-DL
2-15
2-15
2-15
2-15
2-15
2.5.3
2.5.3
2.5.3
2.5.3
2.5.3
Interrupt assignments
Interrupt assignments
Interrupt assignments
Interrupt assignments
Interrupt assignments
Standard interrupt assignments
Standard interrupt assignments
Standard interrupt assignments
Standard interrupt assignments
Standard interrupt assignments
* These IRQs are usually available for ISA or PCI devices.
IRQ
IRQ
IRQ
IRQ
IRQ
Priority
Priority
Priority
Priority
Priority
Standard Function
Standard Function
Standard Function
Standard Function
Standard Function
0
1
System Timer
1
2
Keyboard Controller
2
–
Re-direct to IRQ#9
4
12
Communications Port (COM1)*
5
13
IRQ holder for PCI steering*
6
14
Floppy Disk Controller
7
15
Printer Port (LPT1)*
8
3
System CMOS/Real Time Clock
9
4
IRQ holder for PCI steering*
10
5
IRQ holder for PCI steering*
11
6
IRQ holder for PCI steering*
12
7
PS/2 Compatible Mouse Port*
13
8
Numeric Data Processor
14
9
Primary IDE Channel
15
10
Secondary IDE Channel