Baseboard PCI I/O Subsystem
Intel® SHG2 DP Server Board Technical Product Specification
Intel Order Number C11343-001
Revision 1.0
24
CSB5
SCSI
i
INTB#
j
Slot1intB,Slot2intD,Slot3intC,
Slot4intD,Slot5intC,Slot6intB
1
st
LAN 82550
Slot3 intA
Slot6 intA
Slot4 intA
Slot2 intA
SCSI
i
INTA#
j
IRQ 0
IRQ 1
IRQ 2
IRQ 3
IRQ 4
IRQ 5
IRQ 6
IRQ 7
IRQ #8
IRQ 9
IRQ 10
IRQ 11
IRQ 12
IRQ 13
IRQ 14
IRQ 15
Timer
Cascade
Connection
Map PCI IRQ to
IRQ[1,3:7, 9:12, 14,15]
SCAN PIRQ
PIRQ 0
PIRQ 1
PIRQ 2
PIRQ 3
PIRQ 4
PIRQ 5
PIRQ 6
PIRQ 7
PIRQ 8
PIRQ 9
PIRQ 10
PIRQ 11
PIRQ12
PIRQ13
PIRQ14
PIRQ 15
P CI In t er r u pt s Addr ess In dex Regist er
P CI In t er r u pt Redir ect ion Regist er
IO Addr ess(c00h )
IO Addr ess(c01h )
SCAN IRQ
Keyboard
Serial Port2
Serial Port1
ESMINT
FDD
Parallel Port
RTC
ESMINT
ESMINT
Mouse
FERR#
Super I/O
Slot1 intA
2
nd
LAN 82544
GA
Slot5 intA
SCI
Slot1intD,Slot2intC,Slot3intB,
Slot4intC,Slot5intB
Slot1intC,Slot2intB,Slot3intD,
Slot4intB,Slot5intD
PCI
Interrupt
Router
P_IDE
S_IDE
Figure 4. SHG2 Interrupt Routing (PIC Mode)