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Appendix A:
www.gateway.com
PCI interrupt routing
PCI interrupt routing in PIC mode
5USB
6 Diskette controller
7 Parallel
8 Real-time clock
9ACPI SCI
10
11
12 Mouse controller
13 System interrupt/FERR
14 Primary IDE
15 Secondary IDE
Device Interrupt A Interrupt B Interrupt C Interrupt D
Rage XL -ICH3 P IRQB
Debug slot -ICH3 P IRQE -ICH3 P IRQF -ICH3 P IRQG -ICH3 P IRQH
Intel 82544GC P1 IRQ 0
SCSI 7899W S1 IRQ 0 S1 IRQ 1
PCI slot 1 S1 IRQ 4 S1 IRQ 5 S1 IRQ 2 S1 IRQ 3
PCI slot 2 -S2 IRQ 4 -S2 IRQ 5 -S2 IRQ 6 -S2 IRQ 7
PCI slot 3 PCI IRQ 0 PCI IRQ 1 PCI IRQ 2 PCI IRQ 3
PCI slot 4 -P2 IRQ 4 -P2 IRQ 5 -P2 IRQ 6 -P2 IRQ 7
PCI slot 5 -P2 IRQ 0 -P2 IRQ 1 -P2 IRQ 2 -P2 IRQ 3
Interrupt (IRQ) Description