Pci configuration space map – IBM PC 300GL User Manual

Page 58

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Appendix B. System address maps

51

PCI configuration space map

00CE

Channel 7, Transfer Count register

00–15

Yes

00D0

Channels 4–7, Read Status/Write Command
register

00–07

00D2

Channels 4–7, Write Request register

00–02

00D4

Channels 4–7, Write Single Mask register bit

00–02

00D6

Channels 4–7, Mode register (write)

00–07

00D8

Channels 4–7, Clear byte pointer (write)

N/A

00DA

Channels 4–7, Master clear (write)/temp (read)

00–07

00DC

Channels 4–7, Clear Mask register (write)

00–03

00DE

Channels 4–7, Write All Mask register bits

00–03

00DF

Channels 507, 8- or 16-bit mode select

00–07

Table 35. PCI configuration space map

Bus number (hex)

Device number (hex)

Function number (hex) Description

00

00

00

VIA VT 82C694X (north bridge)

00

01

00

VIA VT 82C694X (north bridge)

00

02

00

VIA VT 82C596B (south bridge)

00

02

01

VIA VT 82C596B (south bridge)

00

02

02

VIA VT 82C596B (south bridge)

00

02

03

Intel 82371AB power management

00

0 x 12

00

ESS 1930 audio controller

01

00

00

S3Tio3D AGP video

00

0 x 10

N/A

Slot 1

00

0 x 0F

N/A

Slot 2

00

0 x 0E

N/A

Slot 3

Table 34. DMA I/O address map

Address (hex)

Description

Bits

Byte pointer

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