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2.6.3 PCI Ids
The STL2 server board PCI Ids are defined as follows:
Table 2-6. STL2 PCI IDs
Device Bus Number
[23:16]
Device Number
[15:11]
Slot ID Signal
NB6635 North Bridge 3.0LE 00h 00000b
ATI* Rage IIC 00h 00010b P32_AD18
Intel 82559 00h 00011b P32_AD19
Adaptec* AIC-7899 00h 00100b P32_AD20
Slot 1 (32 bit) 00h 00110b P32_AD22
Slot 2 (32 bit) 00h 00111b P32_AD23
Slot 2 (32 bit) 00h 01000b P32_AD24
Slot 2 (32 bit) 00h 01001b P32_AD25
IB6566 South Bridge 00h 01111b P32_AD31
Slot 2 (32 bit) 00h 01010b P32_AD26
Slot 2 (32 bit) 00h 01011b P32_AD27
Note:
Do not change the BUSNUM register (Offset 44h) in the NB6635 North Bridge 3.0LE from the default value.
2.6.4 Relationship between PCI IRQ and PCI Device
The relationship between PCI IRQ and PCI devices are defined as follows on the STL2 server
board:
PCI IRQ PCI Device
PCI IRQ 0 Adaptec AIC-7899 SCSI Channel A
PCI IRQ 1 Adaptec AIC-7899 SCSI Channel B
PCI IRQ 2 Intel 82559
PCI IRQ 3 ATI Rage IIC
PCI IRQ 4 PCI Slot 2 (INTA)
PCI IRQ 5 PCI Slot 3 (INTA)
PCI IRQ 6 Not Used
PCI IRQ 7 PCI Slot 4 (INTA)
PCI IRQ 8 PCI Slot 5 (INTA)
PCI IRQ 9 PCI Slot 6 (INTA)
PCI IRQ 10 PCI Slot 1 (INTA)
PCI IRQ 11 PCI Slot 1 (INTB), PCI Slot 2 (INTB), PCI Slot 3 (INTC), PCI Slot 4 (INTB), PCI Slot 5 (INTC), PCI
Slot 6 (INTD)
PCI IRQ 12 PCI Slot 1 (INTC), PCI Slot 2 (INTC), PCI Slot 3 (INTD), PCI Slot 4 (INTC), PCI Slot 5 (INTD), PCI
Slot 6 (INTB)
PCI IRQ 13 PCI Slot 1 (INTD), PCI Slot 2 (INTD), PCI Slot 3 (INTB), PCI Slot 4 (INTC), PCI Slot 5 (INTD), PCI
Slot 6 (INTB)