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Standard IRQ Assignment List
IRQ
Priotity
0
1
1
2
2
N/A
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 availanle for ISA or PCI devices.
Interrupt Request List for GA-8PE667 Ultra
PCI slot 1
PCI slot 2
PCI slot 3
PCI slot 4
PCI slot 5
PCI slot 6
AGP Slot
Onboard USB Controller HC0
Onboard USB Controller HC1
Onboard USB Controller HC2
CNR LAN
CNR Audio/Modem
onbaord Audio
NEC USB 2.0 Controller
PROMISE 20276
When using PCI cards on Shared slots, ensure that the drivers support "Shared IRQ" or that the
cards do'nt need IRQ assignments. Otherwise, conflicts will arise between the two PCI groups,
making the system unstable and the card inoperative.
GA-8PE667Ultra /Pro Motherboard
Stardard Function
System Timer
Keyboard Controller
Programmable Interrupt
Communications Port (COM2)
Communications Port (COM1)
Sound Card (somtimes LPT2)
Standard 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
Numeric Data Processor
Primary IDE Channel
Secondary IDE Channel
A
B
C
Shared
Shared
Shared
Used
Used
Used
Used
Shared
Used
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D
E
F
Shared
Shared
Used
Used
G
H
Shared
Used
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