Functional Architecture Intel® Server Board SE7520JR2
Revision 1.0
C78844-002
56
Figure 9. Interrupt Routing Diagram
PIRQB
PIRQ
PIRQ
Super I/O
Time
Ke
board
Serial
Serial
IS
Flo
/IS
IS
RTC
SCI/IS
IS
IS
Mouse/IS
Co
rocessor
P
IDE/IS
Not Used
Cascade
Serialized IRQ Interface
SERIR
ICH5-R Interrupt Routing
SERIRQ
USB 1.1 Controller #1 and #4
Video
USB 1.1 Controller #3, Native IDE
and SATA
PIRQ
PIRQE
PIRQF
PIRQ
PIRQ
USB 1.1 Controller #2
O
tion for SCI, TCO, HPET#0,1,2
O
tion for SCI, TCO, HPET#0,1,2
O
tion for SCI, TCO, HPET#0,1,2
USB 2.0 EHCI Controller #1,
Option for SCI, TCO, HPET#0,1,2