Interrupt Assignments - Asus P5E3 - PRO Motherboard - ATX User Manual

2.5.3

Interrupt assignments

Standard interrupt assignments
IRQ Priority
0 1
1 2
2 —
3 9
4 12
5 13
6 14
7 15
8 3
9 4
10 5
11 6
12 7
13 8
14 10
15 11
* These IRQs are usually available for PCI devices.
IRQ assignments for this motherboard
PCI slot 1
PCI slot 2
LAN (8110SC)
SATA (363)
LAN(8056)
PCIe x16 1
PCIe x16 2
PCIe x16 3
PCIe x1 1
PCIe x1 2
USB controller 1
USB controller 2
USB controller 3
USB controller 4
USB controller 5
USB controller 6
USB 2.0 controller 1
USB 2.0 controller 2
SATA controller 1
SATA controller 2
ASUS P5E3 Deluxe/WiFi-AP@n
Standard Function
System Timer
Keyboard Controller
Re-direct to IRQ#9
IRQ holder for PCI steering*
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
A B
shared —
— shared
shared —
shared —
— shared
shared —
shared —
— —
— —
— —
— —
— —
— —
shared —
shared —
— —
— —
— —
— shared
C D E
— — —
— — —
— — —
— — —
— — —
— — —
— — —
shared
shared — —
— shared —
— — —
— shared —
shared — —
— — —
— — —
shared
— — —
shared — —
shared — —
— — —
F G H
— — —
— — —
— — —
— — —
— — —
— — —
— — —
— — —
— — —
— — shared
— — —
— — —
— — —
— — —
— — shared
— — —
— — —
— — —
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