Technical Reference
45
2.4
PCI Configuration Space Map
Table 13. PCI Configuration Space Map
Bus
Number (hex)
Device
Number (hex)
Function
Number (hex)
Description
00
00
00
Memory controller of Intel 82G965 component
00
01
00
PCI Express x16 graphics port
(Note 1)
00 02 00 Integrated
graphics
controller
00
1B
00
Intel High Definition Audio Controller
00
1C
00
PCI Express port 1
00
1C
01
PCI Express port 2
00
1C
02
PCI Express port 3
00
1C
03
PCI Express port 4
00
1C
04
PCI Express port 5
00
1D
00
USB UHCI controller 1
00
1D
01
USB UHCI controller 2
00
1D
02
USB UHCI controller 3
00
1D
00
USB UHCI controller 4
00
1A
01
USB UHCI controller 5
00
1D
07
EHCI controller #1
00
1A
07
EHCI controller #2
00 1E 00 PCI
bridge
00 1F 00 PCI
controller
00
1F
01
Parallel ATA IDE controller
00
1F
02
Serial ATA controller #1
00
1F
05
Serial ATA controller #2
00 1F 03 SMBus
controller
00 19 00 Gigabit
LAN
controller
(Note 2)
00
00
PCI Conventional bus connector 1
(Note 2)
01
00
PCI Conventional bus connector 2
(Note 2)
02
00
PCI Conventional bus connector 3
(Note 2)
03 00 IEEE-1394a
controller
01
00
00
PCI Express Video Controller
(Note 1)
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.