Standard Interrupt Assignments; Irq Assignments For This Motherboard - Asus AS-D672 Installation Manual

Standard 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
* These IRQs are usually available for PCI devices.

IRQ assignments for this motherboard

PCI1
PCI2
PCI3
PCIEX16_1
PCIEX1_1
PCIEX1_2
USB controller 1
USB controller 2
USB controller 3
USB controller 4
USB 2.0 controller
HD audio
LAN
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.
ASUS BA5120/AS-D672
Standard function
System timer
Keyboard controller
–
IRQ holder for PCI steering*
Communications port (COM1)
Standard IRQ holder for PCI steering
Floppy Disk Controller
Printer Port (LPT1)
System CMOS/Real Time Clock
Microsoft ACPI-Compliant System
IRQ holder for PCI steering*
IRQ holder for PCI steering*
PS/2 Compatible Mouse Port
Numeric Data Processor
Primary IDE Channel
A B C
shared – –
– shared –
– – shared
shared – –
shared – –
– shared –
– – –
– – –
– – shared
shared – –
– – –
shared – –
– – shared
D E F
shared – –
– – –
– – –
– – –
– – –
– – –
– – –
shared – –
– – –
– – –
– – –
– – –
– – –
G H
– –
– –
– –
– –
– –
– –
– shared
– –
– –
– –
– shared
– –
– –
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