Interrupt Assignments; Irq Assignments For This Motherboard - Asus M3A GREEN User Manual

Interrupt assignments

IRQ Priority
0 1
1 2
2 –
3 11
4 12
5 13
6 14
7 15
8 3
9 4
10 5
11 6
12 7
13 8
14 9
15 10
� These IRQs are usually available for ISA or PCI devices.

IRQ assignments for this motherboard

PCI 1
PCI 2
LAN
PCIe x16_1
PCIe x1_1
PCIe x1_2
PCI_1
PCI_2
PCI_3
USB controller 1
USB controller 2
USB controller 3
USB controller 4
USB controller 5
USB controller 6
USB 2.0 controller 1 –
USB 2.0 controller 2 –
SATA controller
Azalia
1-22
Standard function
System timer
Keyboard controller
Re-direct to IRQ#9
IRQ holder for PCI steering�
Communications port (COM1)�
IRQ holder for PCI steering�
Floppy disk controller
IRQ holder for PCI steering�
System CMOS/Real Time Clock
IRQ holder for PCI steering�
IRQ holder for PCI steering�
IRQ holder for PCI steering�
PS/2 compatible mouse port�
Numeric data processor
IRQ holder for PCI steering�
IRQ holder for PCI steering�
A B C
shared – –
– shared –
– shared –
shared – –
– shared –
shared – –
– – shared –
shared – –
– – –
– – –
– – shared –
shared – –
shared – –
– – –
– –
shared
– – shared –
– – –
D E F
– – –
– – –
– – –
– – –
– – –
– – –
– –
– – –
– – –
shared – –
– –
– – –
– – –
– – shared –
– – –
– – –
– –
– – shared –
Chapter 1: Product introduction
G H
– –
– –
– –
– –
– –
– –
– –
– –
– shared
– –
– –
– –
– –
–
shared –
– –
– –
–