Avalue Technology EAX-915GV, User Manual

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1.5.3 Interrupt assignments
Standard interrupt assignments
IRQ Priority Standard Function
0 1 System Timer
1 2 Keyboard Controller
2 - Re-direct to IRQ#9
3 11 Communications Port (COM2)*
4 12 Communications Port (COM1)*
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 IRQ holder for PCI steering*
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
PCI slot 1
A B C D E F G H
— — — — — shared — —
PCI slot 2 — — — — — — used —
Onboard USB controller 1 shared — — — — — — —
Onboard USB controller 2 — — — shared — — — —
Onboard USB controller 3 — — shared — — — — —
Onboard USB controller 4 used — — — — — — —
Onboard USB 2.0 controller — — — — — — — shared
Onboard HDA Audio — shared — — — — — —
Onboard IDE Controller — — shared — — — — —
Onboard SATA Controller — — shared — — — — —
Onboard PCI LAN (1000 Mbps) — shared — — — — — —
Onboard IEEE 1394a controller — — — — — 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.
EAX-915GV 1-17