Asus V2-PH1 - Manual (Page 29)

2-11 ASUS Vintage2-PH1
* These IRQs are usually available for ISA or PCI devices.
IRQ assignments for this motherboard
A B C D E F G H
PCI slot 1 — — — — — shared — —
PCI slot 2 — — — — — — shared —
PCI Express x16 slot shared — — — — — — —
PCI Express x1 slot 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 IDE port — — — shared — — — —
Onboard HD audio — — — shared — — — —
Onboard LAN — shared — — — — — —
When using PCI cards on shared slots, ensure that the drivers support
“Share IRQ” or that the cards do not need IRQ assignments. Otherwise,
conflicts will arise between the two PCI groups, making the system
unstable and the card inoperable.
Standard interrupt assignments
IRQ Priority Standard Function
0 1 System Timer
1 2 Keyboard Controller
2 - Programmable interrupt
3 11 Communications Port (COM2)*
4 12 -
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 MIDI port*
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