C-2 IRQ and I/O Port Address

PIRQ and PCI Device

The factory-set PCI device interrupts are assigned as follows. Use the BIOS setup utility, BIOS,

for interrupt setup. See Chapter 4 for details.

Menu Option Interrupt
PCI IRQ 1 On-board SCSI (Channel A)
PCI IRQ 2 On-board SCSI (Channel B)
PCI IRQ 3 On-board LAN #1
PCI IRQ 4 On-board LAN #2
PCI IRQ 5 On-board GA
PCI IRQ 6 --
PCI IRQ 7 PCI slot #1 (INT A)
PCI IRQ 8 PCI slot #2 (INT A)
PCI IRQ 9 PCI slot #3 (INT A)
PCI IRQ 10 PCI slot #4 (INT A)
PCI IRQ 11 PCI slot #5 (INT A)
PCI IRQ 12 PCI slot #6 (INT A)
PCI IRQ 13 PCI slot #7 (INT A)
PCI IRQ 14 PCI slot #8 (INT A)
PCI IRQ 15 --
PCI IRQ 16 SCI
PCI IRQ 17 PCI slot #1 (INT B)
PCI IRQ 18 PCI slot #2 (INT B)
PCI IRQ 19 PCI slot #3 (INT B)
PCI IRQ 20 PCI slot #4 (INT B)
PCI IRQ 21 PCI slot #5 (INT B)
PCI IRQ 22 PCI slot #6 (INT B)
PCI IRQ 23 PCI slot #7 (INT B)
PCI IRQ 24 PCI slot #8 (INT B)
PCI IRQ 25 PCI slot #1 (INT C), PCI slot #2 (INT D)
PCI IRQ 26 PCI slot #1 (INT D), PCI slot #2 (INT C)
PCI IRQ 27 PCI slot #3 (INT C), PCI slot #4 (INT D)
PCI IRQ 28 PCI slot #3 (INT D), PCI slot #4 (INT C)
PCI IRQ 29 PCI slot #5 (INT C), PCI slot #6 (INT D)
PCI IRQ 30 PCI slot #5 (INT D), PCI slot #6 (INT C)
PCI IRQ 31 PCI slot #7 (INT C), PCI slot #8 (INT D)
PCI IRQ 32 PCI slot #7 (INT D), PCI slot #8 (INT C)