Specifications

- 14 -GA-8PE667Ultra /Pro Motherboard
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Interrupt Request List for GA-8PE667 Ultra
ABCDEF GH
PCI slot 1 Shared
PCI slot 2 Shared
PCI slot 3 Shared
PCI slot 4 Shared
PCI slot 5 Shared
PCI slot 6 Shared
AGP Slot Used
Onboard USB Controller HC0 Used
Onboard USB Controller HC1 Used
Onboard USB Controller HC2 Used
CNR LAN Used
CNR Audio/Modem Used
onbaord Audio Used
NEC USB 2.0 Controller Shared
PROMISE 20276 Used
 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.
Standard IRQ Assignment List
IRQ Priotity Stardard Function
0 1 System Timer
1 2 Keyboard Controller
2 N/A Programmable Interrupt
3* 11 Communications Port (COM2)
4* 12 Communications Port (COM1)
5* 13 Sound Card (somtimes LPT2)
6 14 Standard floppy disk controller)
7* 15 Printer Port (LPT1)
8 3 System CMOS/Real Time Clock
9* 4 Microsoft ACPI-Compliant System
10* 5 IRQ holder for PCI Steering
11* 6 IRQ holder for PCI Steering
12* 7 PS/2 Compatible Mouse
13 8 Numeric Data Processor
14* 9 Primary IDE Channel
15* 10 Secondary IDE Channel
*These IRQs are usually availanle for ISA or PCI devices.