Standard Interrupt Assignments - Asus P4BGL-MX User Manual

1.9.2

Standard Interrupt Assignments

IRQ
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
*These IRQs are usually available for ISA or PCI devices.
IRQ assignments for this motherboard
PCI slot 1
PCI slot 2
PCI slot 3
Onboard USB 1.1 controller 1 shared
Onboard USB 1.1 controller 2
Onboard USB 1.1 controller 3
Onboard USB 2.0 controller
Onboard LAN
Onboard Audio
Onboard VGA
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 two PCI groups.
ASUS P4BGL-MX Motherboard
Standard Function
System Timer
Keyboard Controller
Programmable Interrupt Controller
Communications Port (COM2)
Communications Port (COM1)
IRQ Holder for PCI IRQ Steering
Standard Floppy Disk Controller
ECP Printer Port (LPT1)
System CMOS/Real Time Clock
IRQ Holder for PCI IRQ Steering
IRQ Holder for PCI IRQ Steering
IRQ Holder for PCI IRQ Steering
PS/2 Compatible Mouse Port
Numeric Data Processor
Primary IDE controller (dual fifo)
Secondary Ultra ATA Controller (dual fifo)
A B C
— — —
— — —
— — —
— —
— — —
— — used
— — —
— shared —
— shared —
shared — —
D E F
— — used
— — —
— — —
— — —
used — —
— — —
— — —
— — —
— — —
— — —
G H
— —
used —
— shared
— —
— —
— —
— shared
— —
— —
— —
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