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Raptor MicroATX – Installation Guide
1
Reserved (keyboard)
2
Reserved (cascade)
3
COM2*
4
COM1*
5
COM3*
6
Floppy Drive
7
LPT1* / COM4*
8
Real time clock
9
User Available for PCI
10
User Available for PCI
11
User Available for PCI
12
PS/2 mouse port
13
Reserved (math coprocessor)
14
Primary IDE
15
Secondary IDE
*Default, but can be changed to another IRQ
PCI Interrupt Routing Map
C-ICH
ID
Signal
SEL
PCI Slot
AD31
1
PCI Slot
AD30
2
PCI Slot
AD29
3
PCI Slot
AD28
4
Ethernet
2459h
Ethernet
245Dh
USB
SMBus
VGA
36
PIRQ
PIRQ
A
B
INTB
INTC
INTC
INTD
INTD
INTA
INTA
INTB
INTB
INTA
PIRQ
PIRQ
C
D
INTD
INTA
INTA
INTB
INTB
INTC
INTC
INTD
INTD
PIRQ
PIRQ
E
F
INTE
INTF
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