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Intel® Server Board SE7320SP2 & Intel Server Board SE7525GP2 TPS Functional Architecture
Revision 2.0
50
Figure 8 - Interrupt Routing Diagram
PIRQB#
PIRQD#
PIRQC#
PIRQE#
PIRQF#
PIRQG#
PIRQH#
PIRQA#
Super I/O
Time
r
Ke
y
board
Serial Port2/ISA
Serial Port1/ISA
ISA
Flo
ppy
/ISA
ISA
RTC
SCI/ISA
ISA
ISA
Mouse/ISA
Co
p
rocessor Erro
r
P IDE/ISA
Not Used
Cascade
Serialized IRQ Interface
SERIR
Q
SERIRQ
Intel 6300ESB ICH
Interrupt Routing
PCI Interface
Video INTA
,
Slot 3 INTC
,
Slot 5 INTB
Intel 82541 INTA
Slot 3 INTB
,
Slot 5 INTD
Slot 5 INTA
Slot 3 INTA
Slot 3 INTD
,
Slot 5 INTC
PCI-X
interface
PXIR
Q
3
PXIR
Q
2
PXIR
Q
0
PXIR
Q
1
Slot 1 INTA
,
Slot 2 INTD
Slot 1 INTB
,
Slot 2 INTA
Slot 2 INTB
Slot 2 INTC