Intel BLKD915PBLL Product Specification - Page 53

PCI Configuration Space Map

Page 53 highlights

Technical Reference 2.5 PCI Configuration Space Map Table 12. PCI Configuration Space Map Bus Number (hex) 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 (Note 2) (Note 2) (Note 2) (Note 2) (Note 2) Device Number (hex) 00 01 02 02 1B 1C 1C 1C 1C 1D 1D 1D 1D 1D 1E 1F 1F 1F 1F 00 01 02 03 08 Function Number (hex) 00 00 00 01 00 00 01 02 03 00 01 02 03 07 00 00 01 02 03 00 00 00 00 00 Description Memory controller of Intel 82915P component PCI Express x16 graphics port (Note 1) Integrated graphics controller Integrated graphics controller Intel High Definition Audio Controller PCI Express port 1 (PCI Express x1 bus connector 1) PCI Express port 2 PCI Express port 3 (PCI Express x1 bus connector 2) PCI Express port 4 (not used) USB UHCI controller 1 USB UHCI controller 2 USB UHCI controller 3 USB UHCI controller 4 EHCI controller PCI bridge PCI controller Parallel ATA IDE controller Serial ATA controller SMBus controller PCI Conventional bus connector 1 PCI Conventional bus connector 2 PCI Conventional bus connector 3 PCI Conventional bus connector 4 Intel 82562EZ 10/100 Mbits/sec LAN PLC (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. 53

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Technical Reference
53
2.5
PCI Configuration Space Map
Table 12.
PCI Configuration Space Map
Bus
Number (hex)
Device
Number (hex)
Function
Number (hex)
Description
00
00
00
Memory controller of Intel 82915P component
00
01
00
PCI Express x16 graphics port
(Note 1)
00
02
00
Integrated graphics controller
00
02
01
Integrated graphics controller
00
1B
00
Intel High Definition Audio Controller
00
1C
00
PCI Express port 1 (PCI Express x1 bus connector 1)
00
1C
01
PCI Express port 2
00
1C
02
PCI Express port 3 (PCI Express x1 bus connector 2)
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 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
PCI Conventional bus connector 4
(Note 2)
08
00
Intel 82562EZ 10/100 Mbits/sec LAN PLC (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.