RG82845SL5YQ Datasheet, PDF (81/148 Pages) Intel Corporation – Intel® 845 Chipset: 82845 Memory Controller Hub (MCH) for SDR

Register Description
R
3.6.1
3.6.2
Address
Offset
58–5Fh
59–FFh
Symbol
DRTC
—
Name
DRAM Read Thermal Management Control
Reserved
Default
Access
0000000
0h
—
R/W/L
—
VID1—Vendor Identification Register (Device 1)
Address Offset:
Default Value:
Attribute:
Size:
00–01h
8086h
RO
16 bits
The VID1 register contains the vendor identification number. This 16-bit register combined with
the DID1 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. Intel VID = 8086h.
DID1—Device Identification Register (Device 1)
Address Offset:
Default Value:
Attribute:
Size:
02–03h
1A31h
RO
16 bits
This 16-bit register combined with the VID1 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 MCH Device 1.
MCH1 Device 1 DID = 1A31h.
Intel^® 82845 MCH for SDR Datasheet
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