82845PE Datasheet, PDF (76/176 Pages) Intel Corporation – 82845GE Graphics and Memory Controller Hub (GMCH) and 82845PE Memory Controller Hub (MCH)

Register Description
3.5.2.1
3.5.2.2
VID1—Vendor Identification Register (Device 1)
Address Offset:
Default Value:
Access:
Size:
00–01h
8086h
RO
16 bits
The VID Register contains the vendor identification number. This 16-bit register combined with
the Device Identification Register uniquely identify any PCI device. Writes to this register have no
effect.
Bit
15:0
Description
Vendor Identification Device 1 (VID1). This register field contains the PCI standard identification for
Intel, 8086h.
DID1—Device Identification Register (Device 1)
Address Offset:
Default Value:
Access:
Size:
02–03h
2561h
RO
16 bits
This 16-bit register combined with the Vendor Identification register uniquely identifies any PCI
device.
Bit
15:0
Description
Device Identification Number (DID). A 16-bit value assigned to the (G)MCH Device 1 = 2561h.
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Intel^® 82845GE/82845PE Datasheet