Datasheet

Register Description
R
Datasheet 135
Register Name
Register
Symbol
Register
Start
Register
End
Default Value Access
Bridge Control
Register
BCTRL1 3E 3E 00h RO,R/W
Error Command
Register
ERRCMD1 40 40 00h RO,R/W
3.10.1 VID1 - Vendor Identification (Device #1)
Address Offset: 00h
Default Value: 8086h
Access: Read Only
Size: 16 bits
The VID Register contains the vendor identification number. This 16-bit register combined with
the Device Identification Register uniquely identifies any PCI device. Writes to this register have
no effect.
Bit Description
15:0
Vendor Identification Number: This is a 16-bit value assigned to Intel.
3.10.2 DID1 - Device Identification (Device #1)
Address Offset: 02h
Default Value: 3581h
Access: Read Only
Size: 16 bits
This 16-bit register combined with the Vendor Identification register uniquely identifies any PCI
device. Writes to this register have no effect.
Bit Description
15:0 Device Identification Number: This is a 16-bit value assigned to the GMCH/MCH
(3581h).