VT8235 datasheet(35/145 Pages) VIA

35 / 145 page

VT8235 V-Link South Bridge

Revision 1.22 October 24, 2002

-29-

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Configuration Space Power Management Registers

Offset Power Management

Default

Acc

General Configuration 0

General Configuration 1

ACPI Interrupt Select

-reserved-

—

85-84 Primary Interrupt Channel

0000

87-86 Secondary Interrupt Channel

0000

8B-88 Power Mgmt I/O Base (256 Bytes)

0000 0001 RW

Host Bus Power Mgmt Control

Throttle / Clock Stop Control

8E-8F -reserved-

—

93-90 GP Timer Control

0000 0000 RW

Power Well Control

Miscellaneous Control

Power On / Reset Control

-reserved-

—

GP2 / GP3 Timer Control

GP2 Timer

GP3 Timer

9B-A0 -reserved-

—

Write value for Offset 9 (Prog Intfc)

Write value for Offset A (Sub Class)

Write value for Offset B (Base Class)

A4-BF -reserved-

—

C3-C0 Power Management Capability

0002 0001 RO

C7-C4 Power Management Capability CSR

0000 0000 RW

C8-CF -reserved-

—

Configuration Space SMBus Registers

Offset System Management Bus

Default

Acc

D1-D0 SMBus I/O Base (16 Bytes)

0001

SMBus Host Configuration

SMBus Host Slave Command

SMBus Slave Address Shadow Port 1

SMBus Slave Address Shadow Port 2

SMBus Revision ID

D7-DF -reserved-

—

Configuration Space General Purpose I/O Registers

Offset General Purpose I/O

Default

Acc

GPI Inversion Control

GPI SCI / SMI Select

E2-E3 -reserved-

—

GPO Pin Select

GPIO I/O Select 1

GPIO I/O Select 2

GPO Output Type

E8-FF -reserved-

—

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