Troubleshooting
PEB-2772AVGATM User’s Manual
5-4
Interrupt Request Lines (IRQ)
Peripheral devices can use interrupt request lines to notify CPU for the service
required. The following table shows the IRQ used by the devices on board.
Interrupt Request Lines IRQ
IRQ#
Current Use
Default Use
IRQ 0
System ROM
System Timer
IRQ 1
System ROM
Keyboard Event
IRQ 2
【
Unassigned
】
Usable IRQ
IRQ 3
System ROM
COM2
IRQ 4
System ROM
COM1
IRQ 5
【
Unassigned
】
Usable IRQ
IRQ 6
System ROM
Diskette Event
IRQ 7
【
Unassigned
】
Usable IRQ
IRQ 8
System ROM
Real-Time Clock
IRQ 9
【
Unassigned
】
Usable IRQ
IRQ 10
【
Unassigned
】
Usable IRQ
IRQ 11
Video ROM
Usable IRQ
IRQ 12
System ROM
IBM Mouse Event
IRQ 13
System ROM
Coprocessor Error
IRQ 14
System ROM
Hard Disk Event
IRQ 15
【
Unassigned
】
Usable IRQ
Summary of Contents for PEB-2772VGATM
Page 7: ...System Overview PEB 2772AVGATM User s Manual 1 4 Mechanical Drawing ...
Page 10: ...System Installation PEB 2772AVGATM User s Manual 2 2 Solder side ...
Page 19: ...System Installation PEB 2772AVGATM User s Manual 2 11 ...
Page 27: ...System Installation PEB 2772AVGATM User s Manual 3 8 o4utp EFER 0xAA return 0 ...
Page 42: ...BIOS Setup Information PEB 2772AVGATM User s Manual 4 15 SIO Configuration ...
Page 44: ...BIOS Setup Information PEB 2772AVGATM User s Manual 4 17 Hardware Monitor Smart Fan Control ...