Technical information

Chapter 1 17
PCI Interrupt Routing in APIC Mode
IOAPIC Entry IO APIC Interrupt Source
INTIN0 ISA IO APIC IRQ0/INTR
INTIN1 ISA IO APIC IRQ1
INTIN2 ISA IO APIC IRQ2/SMI
INTIN3 ISA IO APIC IRQ3
INTIN4 ISA IO APIC IRQ4
INTIN5 ISA IO APIC IRQ5
INTIN6 ISA IO APIC IRQ6
INTIN7 ISA IO APIC IRQ7
INTIN8 ISA IO APIC IRQ8#
INTIN9 ISA IO APIC IRQ9
INTIN10 ISA IO APIC IRQ10
INTIN11 ISA IO APIC IRQ11
INTIN12 ISA IO APIC IRQ12
INTIN13 ISA IO APIC IRQ13
INTIN14 ISA IO APIC IRQ14
INTIN15 ISA IO APIC IRQ15
INTIN0 PCI IO APIC NIC 82540EM
INTIN1 PCI IO APIC Slot 1 INTA# & Slot 2 INTD#
INTIN2 PCI IO APIC Slot 1 INTB# & Slot 2 INTC#
INTIN3 PCI IO APIC Slot 1 INTC# & Slot 2 INTB#
INTIN4 PCI IO APIC Slot 1 INTD# & Slot 2 INTA#
INTIN5 PCI IO APIC Slot 3 INTA# & Slot 4 INTD#
INTIN6 PCI IO APIC Slot 3 INTB# & Slot 4 INTC#
INTIN7 PCI IO APIC Slot 3 INTC# & Slot 4 INTB#
INTIN8 PCI IO APIC Slot 3 INTD# & Slot 4 INTA#
INTIN9 PCI IO APIC Slot 5 INTA# & Slot 6 INTD#
INTIN10 PCI IO APIC Slot 5 INTB# & Slot 6 INTC#
INTIN11 PCI IO APIC Slot 5 INTC# & Slot 6 INTB#
INTIN12 PCI IO APIC Slot 5 INTD# & Slot 6 INTA#
INTIN13 PCI IO APIC LSI53C1020 INTA#
INTIN14 PCI IO APIC
INTIN15 PCI IO APIC USB IRQ#