1-17ASUS A8V-VM
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
* These IRQs are usually available for ISA or PCI devices.
IRQ assignments for this motherboard
When using PCI cards on shared slots, ensure that the drivers support
“Share IRQ” or that the cards do not need IRQ assignments; otherwise,
conictswillarisebetweenthetwoPCIgroups,makingthesystem
unstable and the card inoperable.
A B C D E F G H
PCI slot 1 shared
PCI slot 2 shared
PCI Express x16 slot shared shared shared
PCI Express x1 slot 1 shared shared shared
Onboard USB controller 0 shared
Onboard USB controller 1 shared
Onboard USB controller 2 shared
Onboard USB controller 3 shared
Onboard EHCI controller shared
Onboard SATA Controller shared
Onboard Audio Controller shared
Onboard LAN shared
Integrated graphics shared —