Interrupt Assignments - Asus P5BV - Motherboard - ATX Installation Manual

2.5.3

Interrupt assignments

Standard interrupt assignments
IRQ Priority
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
* These IRQs are usually available for PCI devices.
IRQ assignments for this motherboard
PCI1
PCI2
PCI3
LAN (8001)
SATA (JMB 363)
PCIEX16_1
PCIEX16_2
PCIEX1_1
PCIEX1_2
USB controller 1
USB controller 2
USB controller 3
USB controller 4
USB controller 5
USB 2.0 controller 1
USB 2.0 controller 1
SATA controller 1
SATA controller 2
HD Audio
ASUS P5B-V
Standard Function
1 System Timer
2 Keyboard Controller
— Re-direct to IRQ#9
12 IRQ holder for PCI steering*
13 Communications Port (COM1)*
14 IRQ holder for PCI steering*
15 Floppy Disk Controller
16 Printer Port (LPT1)*
3 System CMOS/Real Time Clock
4 ACPI*
5 SMBus Controller*
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 B
— —
— —
— —
— —
shared —
shared —
shared —
— —
— —
— —
— —
— —
shared —
— shared
— —
— —
— —
— shared
— —
C D E
— — —
— — —
— — —
— shared —
— — —
— — —
— — —
shared — —
— shared —
— — —
— shared —
shared — —
— — —
— — —
— — —
shared — —
shared — —
— — —
— — —
F G H
shared — —
— shared —
— — shared
— — —
— — —
— — —
— — —
— — —
— — —
— — shared
— — —
— — —
— — —
— — —
— — shared
— — —
— — —
— — —
— shared —
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