User Guide XB1 COM Express Module

Technical Reference

Local PCI Devices

The following table shows the on-board PCI devices and their location within the PCI configuration space. These devices reside mainly within the i915GM chipset.

Bus

Device

Function

Vendor ID

Device ID

Description

Number

Number

Number

 

 

 

0

0

0

0x8086

0x2590

Host Bridge

0

2

0

0x8086

0x2592

Internal Graphics Device

0

2

1

0x8086

0x2792

Int. Graphics Config. Regs.

0

27

0

0x8086

0x2668

Intel High Definition Audio

0

28

0

0x8086

0x2660

PCI Express Port 1

0

28

1

0x8086

0x2662

PCI Express Port 2

0

28

2

0x8086

0x2664

PCI Express Port 3

0

28

3

0x8086

0x2666

PCI Express Port 4

0

29

0

0x8086

0x2658

USB UHCI Controller #1

0

29

1

0x8086

0x2659

USB UHCI Controller #2

0

29

2

0x8086

0x265A

USB UHCI Controller #3

0

29

3

0x8086

0x265B

USB UHCI Controller #4

0

29

7

0x8086

0x265C

USB 2.0 EHCI Controller

0

30

0

0x8086

0x244E

PCI-to-PCI Bridge

0

30

2

0x8086

0x266E

AC'97 Audio Controller

0

30

3

0x8086

0x266D

AC'97 Modem Controller

0

31

0

0x8086

0x2640

LPC Bridge

0

31

1

0x8086

0x266F

IDE Controller

0

31

2

0x8086

0x2651

SATA Controller

0

31

3

0x8086

0x266A

SMB Controller

3 1)

0

0

0x8086

0x108B 2)

Ethernet Controller NC1

 

 

 

 

0x108C 2)

 

1)This bus number can vary depending on the PCI enumeration schema implemented in BIOS.

2)The XB1 COM Express Module is available with a 82573L or 82573E/V Ethernet controller.

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Intel 82600 manual Technical Reference Local PCI Devices, Number