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2.5 PCI Configuration Space Map
Table 12.
PCI Configuration Space Map
Bus
Device
Number (hex)
Number (hex)
00
00
00
01
00
1B
00
1C
00
1C
00
1C
00
1C
00
1D
00
1D
00
1D
00
1D
00
1D
00
1E
00
1F
00
1F
00
1F
00
1F
(Note 2)
00
(Note 2)
00
(Note 2)
01
(Note 2)
02
(Note 2)
03
(Note 2)
05
01
00
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.
Function
Number (hex)
Description
00
Memory controller of Intel 82945P component
00
PCI Express x16 graphics port
00
Intel High Definition Audio Controller
00
PCI Express port 1
01
PCI Express port 2
02
PCI Express port 3
03
PCI Express port 4
00
USB UHCI controller 1
01
USB UHCI controller 2
02
USB UHCI controller 3
03
USB UHCI controller 4
07
EHCI controller
00
PCI bridge
00
PCI controller
01
Parallel ATA IDE controller
02
Serial ATA controller
03
SMBus controller
00
Gigabit LAN controller
00
PCI Conventional bus connector 1
00
PCI Conventional bus connector 2
00
PCI Conventional bus connector 3
00
PCI Conventional bus connector 4
00
IEEE-1394a controller
00
PCI Express Video Controller
Technical Reference
(Note 1)
(Note 1)
41
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