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9.5
PCI Interrupt Routing Map
Table 33 PCI Interrupt Routing Map
PIRQ PCI
BUS
INT
Line ¹
APIC
Mode
IRQ
VGA HDA EHCI SM
Bus
LAN UHCI
#0
UHCI
#1
UHCI
#2
PCI-EX
Root
Port 0
PCI-
EX
Port
0
PCI-
EX
Port
1
PCI-
EX
Port
2
COMx
Slot #0
COMx
Slot #1
COMx
Slot #2
COMx
Slot
#3
A
INTA
16
x
x
x
x
x
B
INTB
17
x
x
x
x
C
INTC
18
x
x
x
x
x
D
INTD
19
x
x
x
x
x
x
E
20
x
x
x
x
x
F
21
x
x
x
x
G
22
x
x
x
x
x
H
23
x
x
x
x
x
x
Note
1
These interrupt lines are virtual (message based)
9.6
I²C Bus
There are no onboard resources connected to the I²C bus. Address 16h is reserved for congatec Battery Management solutions.
9.7
SM Bus
System Management (SM) bus signals are connected to the Intel
®
CG82NM10 (NM10) PCH and the SM bus is not intended to be used by
off-board non-system management devices. For more information about this subject contact congatec technical support.
