D945GCNL Datasheet, PDF (41/90 Pages) Intel Corporation – Technical Product Specification

Technical Reference
2.4 PCI Configuration Space Map
Table 11 shows the PCI configuration space map.
Table 11. PCI Configuration Space Map
Bus
Device
Function
Number (hex) Number (hex) Number (hex) Description
00
00
00
Memory controller of Intel 82945GC component
00
01
00
PCI Express x16 graphics port ^{(Note 1)}
00
02
00
Integrated graphics controller
00
1B
00
High Definition Audio Controller
00
1C
00
PCI Express port 1
00
1D
00
USB UHCI controller 1
00
1D
01
USB UHCI controller 2
00
1D
02
USB UHCI controller 3
00
1D
03
USB UHCI controller 4
00
1D
07
EHCI controller
00
1E
00
PCI bridge
00
1F
00
PCI controller
00
1F
01
Parallel ATA IDE controller
00
1F
02
Serial ATA controller
00
1F
03
SMBus controller
(Note 2)
00
00
PCI Conventional bus connector 1
(Note 2)
01
00
PCI Conventional bus connector 2
(Note 2)
08
00
LAN PLC
01
00
00
PCI Express video controller (if present)
Notes:
1. Present only when a PCI Express x16 graphics card is installed.
2. Bus number is dynamic and can change based on add-in cards used.
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