W83629D Просмотр технического описания (PDF) - Winbond

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Компоненты Описание

производитель

W83629D

PCI TO ISA BRIDGE SET

Winbond 

W83628F & W83629D

8. PCI CONFIGURATION REGISTERS

8.1 VID-VENDOR IDENTIFICATION REGISTER

Address Offset:

00-01h

Default Value:

1050h

Attribute:

Read only

This register is read-only and contains Winbond vendor identification number(1050h).

8.2 DID-DEVICE IDENTIFICATION REGISTER

Address Offset:

02-03h

Default Value:

0628h

Attribute:

Read only

This register is read-only and contains the device identification number(0628h).

8.3 PCICMD-PCI COMMAND REGISTER

Address Offset:

04-05h

Default Value:

0007h

Attribute:

Read/Write

This register provides control over ISA bridge to generate and response to PCI cycles properly. When

a 0 is written to this register, ISA bridge is to be disconnected from PCI bus for all accesses except

configuration accesses.

Bit 15:10

Bit 9

Bit 8

Bit 7

Bit 6

Bit 5

Bit 4

Reserved.

Fast Back to Back. This bit always returns a zero.

SERR# Enable.

=1 Enable.

=0 Disable.

Wait Cycle Control(Not supported).

Hardwired to zero.

Parity Error Response(Not supported).

Hardwired to zero.

VGA Palette Snoop Enable(Not supported).

Hardwired to zero.

Memory Write and Invalidate Enable(Not supported).

Hardwired to zero.

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