System Support

Table 4-1 shows the standard configuration of device numbers and IDSEL connections for components and slots residing on a PCI 2.3 bus.

Table 4-1

PCI Component Configuration Access

 

 

 

 

PCI Bus

IDSEL

PCI Component

Notes

Function #

Device #

#

Wired to:

 

 

 

 

 

 

82915G GMCH:

 

 

 

 

--

Host/DMI Bridge

 

0

28

0

 

Host/PCI Expr. Bridge

 

1

28

0

 

Integrated Graphics Cntlr.

 

0

2

0

 

 

 

 

 

 

 

PCI Express x16 graphics slot [1]

 

0

0

32

--

 

 

 

 

 

 

82801EB ICH6

 

 

 

 

--

PCI Bridge

 

0

30

0

 

LPC Bridge

 

0

31

0

 

IDE Controller

 

1

31

0

 

Serial ATA Controller

 

2

31

0

 

SMBus Controller

 

3

31

0

 

USB I/F #1

 

0

29

0

 

USB I/F #2

 

1

29

0

 

USB I/F #3

 

2

29

0

 

USB I/F #4

 

3

29

0

 

USB 2.0 Controller

 

7

29

0

 

AC97 Audio Controller

 

2

30

0

 

AC97 Modem Controller

[1]

3

30

0

 

Network Interface Controller

[1]

0

0

64

 

PCI Express port 1

 

0

28

0

 

PCI Express port 2

 

1

28

0

 

 

 

 

 

 

 

PCI 2.3 slot 1

 

0

4

8

AD20

 

 

 

 

 

 

PCI 2.3 slot 2

[2]

0

9

8

AD25

 

 

 

 

 

 

PCI 2.3 slot 3

[3]

0

10

8

AD27

 

 

 

 

 

 

PCI 2.3 slot 4

[3]

0

11

8

AD29

 

 

 

 

 

 

NOTES:

[1]Not used in these systems.

[2]SFF, ST, MT, & CMT form factors only.

[3]CMT form factor with PCI expansion board.

4-4

361834-002

Technical Reference Guide