D945GTP datasheet(49/92 Pages) INTEL

49 / 92 page

Technical Reference

2.5 PCI Configuration Space Map

Table 13.

PCI Configuration Space Map

Bus

Number (hex)

Device

Number (hex)

Function

Number (hex)

Description

Memory controller of Intel 82945G component

PCI Express x16 graphics port (Note 1)

Integrated graphics controller

Intel High Definition Audio Controller

PCI Express port 1

PCI Express port 2

PCI Express port 3

PCI Express port 4

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

(Note 2)

Gigabit LAN controller (if present)

(Note 2)

PCI Conventional bus connector 1

(Note 2)

PCI Conventional bus connector 2

(Note 2)

IEEE-1394a controller (if present)

(Note 2)

Intel 82562 10/100 Mbits/sec LAN PLC (if present)

PCI Express video controller (if present)

Notes:

Present only when a PCI Express x16 graphics card is installed.

Bus number is dynamic and can change based on add-in cards used.

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