Pci Interrupt Routing - Gateway 920 User Manual

PCI interrupt routing

PCI interrupt routing in PIC mode
Device
USB
Intel 82540EM
Rage XL
PCI slot 1
PCI slot 2
PCI slot 3
PCI slot 4
PCI slot 5
PCI interrupt routing in APIC mode
IO APIC Entry
INTIN 0
INTIN 1
INTIN 2
INTIN 3
INTIN 4
INTIN 5
INTIN 6
INTIN 7
INTIN 8
INTIN 9
INTIN 10
INTIN 11
INTIN 12
Interrupt A Interrupt B
PCI IRQ 5
PCI IRQ 1
PCI IRQ 0
PCI IRQ 2 PCI IRQ 3
PCI IRQ 4 PCI IRQ 6
PCI IRQ 7 PCI IRQ 8
PCI IRQ 9 PCI IRQ 10
PCI IRQ 11 PCI IRQ 12
IO APIC
ISA IO APIC
ISA IO APIC
ISA IO APIC
ISA IO APIC
ISA IO APIC
ISA IO APIC
ISA IO APIC
ISA IO APIC
ISA IO APIC
ISA IO APIC
ISA IO APIC
ISA IO APIC
ISA IO APIC
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Interrupt C
PCI IRQ 2
PCI IRQ 4
PCI IRQ 7
PCI IRQ 9
PCI IRQ 11
Interrupt Source
IRQ 0 / INTR
IRQ 1
IRQ 2 / SMI
IRQ 3
IRQ 4
IRQ 5
IRQ 6
IRQ 7
IRQ 8
IRQ 9
IRQ 10
IRQ 11
IRQ 12
Electronic specifications
Interrupt D
PCI IRQ 3
PCI IRQ 6
PCI IRQ 8
PCI IRQ 10
PCI IRQ 12
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