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Chapter A: Server Specifications
PCI interrupt routing
PCI interrupt routing in PIC mode
Device
Rage XL
Debug slot
Intel 82544GC
SCSI 7899W
PCI slot 1
PCI slot 2
PCI slot 3
PCI slot 4
PCI slot 5
126
Interrupt (IRQ)
Description
4
Serial port
5
USB
6
Diskette controller
7
Parallel
8
Real-time clock
9
ACPI SCI
10
11
12
Mouse controller
13
System interrupt/FERR
14
Primary IDE
15
Secondary IDE
Interrupt A
Interrupt B
-ICH3 P IRQB
-ICH3 P IRQE
-ICH3 P IRQF
P1 IRQ 0
S1 IRQ 0
S1 IRQ 1
S1 IRQ 4
S1 IRQ 5
-S2 IRQ 4
-S2 IRQ 5
PCI IRQ 0
PCI IRQ 1
-P2 IRQ 4
-P2 IRQ 5
-P2 IRQ 0
-P2 IRQ 1
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Interrupt C
Interrupt D
-ICH3 P IRQG
-ICH3 P IRQH
S1 IRQ 2
S1 IRQ 3
-S2 IRQ 6
-S2 IRQ 7
PCI IRQ 2
PCI IRQ 3
-P2 IRQ 6
-P2 IRQ 7
-P2 IRQ 2
-P2 IRQ 3
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