Asus M2A-MVP - Manual (Page 33)

ASUS M2A-MVP 1-21
1.8.3 Interrupt assignments
Standard interrupt assignments
* These IRQs are usually available for ISA or PCI devices.
IRQ Priority Standard function
0 1 System Timer
1 2 Keyboard Controller
2 – Redirect to IRQ#9
3 11 Reserved
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/SATA Channel
15 10 Secondary IDE/SATA Channel
A B C D E F G H
PCI Slot 1 — — — — shared shared shared shared
PCI Slot 2 — — — — shared shared shared shared
IEEE 1394a — — — — — — shared —
LAN (88E8001) — — — — — shared — —
PCI-E x1_1 shared shared shared shared — — — —
PCI-E x1_2 shared shared shared shared — — — —
PCI-E x16_1 shared shared shared shared — — — —
PCI-E x16_2 shared shared shared shared — — — —
USB1.0 controller1 — — — shared — — — —
USB1.0 controller2 — — — shared — — — —
USB1.0 controller3 — — — shared — — — —
USB1.0 controller4 — — — shared — — — —
USB2.0 controller — — — shared — — — —
HD audio shared — — — — — — —
Onboard SATA — — — — — shared — —
IRQ assignments for this motherboard