VT82C686B datasheet(39/128 Pages) ETC1

39 / 128 page

VT82C686B

Revision 1.71 June 9, 2000

-33-

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PCI Function 4 Registers - Power Management

Configuration Space Power Management Header

Registers

Offset PCI Configuration Space Header

Default

Acc

1-0

Vendor ID

1106

3-2

Device ID

3057

5-4

Command

0000

7-6

Status

0280

Revision ID

9Programming Interface

†

Sub Class Code

†

Base Class Code

†

Cache Line Size

Latency Timer

Header Type00

FBIST

10-3F -reserved-

—

† The default values for these registers may be changed by

writing to offsets 61-63h (see below).

Configuration Space Power Management Registers

Offset Power Management

Default

Acc

General Configuration 0

General Configuration 1

ACPI Interrupt Select

Internal Timer Read Test

—

45-44 Primary Interrupt Channel

0000

47-46 Secondary Interrupt Channel

0000

4B-48 Power Mgmt I/O Base (256 Bytes)

0000 0001 RW

Host Bus Power Management Control

Throttle / Clock Stop Control

4E-4F -reserved-

—

53-50 GP Timer Control

0000 0000 RW

Power Well Control

USB Wakeup Control

-reserved-

—

Miscellaneous Control

GP2 / GP3 Timer Control

GP2 Timer

GP3 Timer

5B-60 -reserved-

—

Write value for Offset 9 (Prog Intfc)

Write value for Offset A (Sub Class)

Write value for Offset B (Base Class)

64-7F -reserved-

—

Configuration Space Hardware Monitor Registers

Offset System Management Bus

Default

Acc

71-70 Hardware Mon IO Base (128 Bytes)

0001

72-73 -reserved-

—

Hardware Monitor Control

75-8F -reserved-

—

Configuration Space SMBus Registers

Offset System Management Bus

Default

Acc

93-90 SMBus I/O Base (16 Bytes)

0000 0001 RW

94-D1 -reserved-

—

SMBus Host Configuration

SMBus Host Slave Command

SMBus Slave Address Shadow Port 1

SMBus Slave Address Shadow Port 2

SMBus Revision ID

D7-FF -reserved-

—

VT82C686B Datasheet(PDF) 39 Page - List of Unclassifed Manufacturers

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