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Format of PCI Configuration data for Intel 82375 EISA Bridge

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Offset Size Description

00h

64 BYTEs

header (see #00878) (vendor ID 8086h, device ID 0482h) (revision numbers: 03h = 82375EB, 04h = 82375SB)

40h

BYTE

PCI Control

41h

BYTE

PCI Arbiter Control

42h

BYTE

PCI Arbiter Priority Control

43h

BYTE

PCI Arbiter Priority Control Extension

44h

BYTE

MEMCS# Control

45h

BYTE

MEMCS# Bottom of Hole

46h

BYTE

MEMCS# Top of Hole

47h

BYTE

MEMCS# Top of Memory

48h

WORD

EISA Address Decode Control 1

4Ah

2 BYTEs

reserved

4Ch

BYTE

ISA I/O Recovery Time Control

4Dh

7 BYTEs

reserved

54h

BYTE

MEMCS# Attribute Register 1

55h

BYTE

MEMCS# Attribute Register 2

56h

BYTE

MEMCS# Attribute Register 3

57h

BYTE

reserved

58h

BYTE

PCI Decode Control

59h

BYTE

reserved

5Ah

BYTE

EISA Address Decode Control 2

5Bh

BYTE

reserved

5Ch

BYTE

EISA-to-PCI Memory Region Attributes

5Dh

3 BYTEs

reserved

60h

4 DWORDs

EISA-to-PCI Memory Region Address registers 1-4

70h

4 DWORDs

EISA-to-PCI I/O Region Address registers 1-4

80h

WORD

BIOS Timer base address

82h

2 BYTEs

reserved

84h

BYTE

EISA Latency Timer Control Register

85h

3 BYTEs

reserved

88h

DWORD

PCEB Test Control Register ("DO NOT WRITE")

8Ch

116 BYTEs

reserved

See Also:

#00878,#01055