Technical Reference
53
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 82975X component
00
01
00
PCI Express x16 graphics port
00
1B
00
Intel High Definition Audio controller
00
1C
00
PCI Express port 1
00
1C
01
PCI Express port 2 (Gigabit Ethernet controller
bridge)
00
1C
02
PCI Express port 3
00
1C
03
PCI Express port 4 (not used)
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)
00 00 Gigabit
Ethernet
controller
(Note)
00
00
PCI Conventional bus connector 1
(Note)
01
00
PCI Conventional bus connector 2
(Note)
05 00 IEEE-1394a
controller
Note:
Bus number is dynamic and can change based on add-in cards used.
Summary of Contents for D975XBX2 - Desktop Board Motherboard
Page 10: ...Intel Desktop Board D975XBX2 Technical Product Specification x ...
Page 80: ...Intel Desktop Board D975XBX2 Technical Product Specification 80 ...
Page 88: ...Intel Desktop Board D975XBX2 Technical Product Specification 88 ...
Page 106: ...Intel Desktop Board D975XBX2 Technical Product Specification 106 ...