w83629d Winbond Electronics Corp America, w83629d Datasheet - Page 14

• Manufacturer Part Number: w83629d
• Description: Pci To Isa Bridge Set
• Manufacturer: Winbond Electronics Corp America

8. PCI CONFIGURATION REGISTERS
8.1 VID-VENDOR IDENTIFICATION REGISTER
Address Offset:
Default Value:
Attribute:
This register is read-only and contains Winbond vendor identification number(1050h).
8.2 DID-DEVICE IDENTIFICATION REGISTER
Address Offset:
Default Value:
Attribute:
This register is read-only and contains the device identification number(0628h).
8.3 PCICMD-PCI COMMAND REGISTER
Address Offset:
Default Value:
Attribute:
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
=0
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.
00-01h
1050h
Read only
02-03h
0628h
Read only
04-05h
0007h
Read/Write
Enable.
Disable.
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W83628F & W83629D