Asus P5BV - Motherboard - ATX, Installation Manual, Page: 43 / 152

ASUS P5B-V 2-19
2.5.3 Interrupt assignments
Standard interrupt assignments
IRQ Priority Standard Function
0 1 System Timer
1 2 Keyboard Controller
2 — Re-direct to IRQ#9
3 12 IRQ holder for PCI steering*
4 13 Communications Port (COM1)*
5 14 IRQ holder for PCI steering*
6 15 Floppy Disk Controller
7 16 Printer Port (LPT1)*
8 3 System CMOS/Real Time Clock
9 4 ACPI*
10 5 SMBus Controller*
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
* These IRQs are usually available for PCI devices.
IRQ assignments for this motherboard
A B C D E F G H
PCI1 — — — — — shared — —
PCI2 — — — — — — shared —
PCI3 — — — — — — — shared
LAN (8001) — — — shared — — — —
SATA (JMB 363) shared — — — — — — —
PCIEX16_1 shared — — — — — — —
PCIEX16_2 shared — — — — — — —
PCIEX1_1 — — shared — — — — —
PCIEX1_2 — — — shared — — — —
USB controller 1 — — — — — — — shared
USB controller 2 — — — shared — — — —
USB controller 3 — — shared — — — — —
USB controller 4 shared — — — — — — —
USB controller 5 — shared — — — — — —
USB 2.0 controller 1 — — — — — — — shared
USB 2.0 controller 1 — — shared — — — — —
SATA controller 1 — — shared — — — — —
SATA controller 2 — shared — — — — — —
HD Audio — — — — — — shared —