82830MP Datasheet, PDF (54/159 Pages) Intel Corporation – Intel 830MP Chipset: 82830MP Graphics and Memory Controller Hub (GMCH-M)

Intel® 830MP Chipset
R
4.5.1.11
SVID - Subsystem Vendor ID - Device #0
Address Offset:
Default Value:
Access:
Size:
2C-2Dh
0000h
Read/Write Once
16 bits
This value is used to identify the vendor of the subsystem.
Bit
Description
15:0 Subsystem Vendor ID (R/WO). The default value is 00h. This field should be programmed during boot-up.
After this field is written once, it becomes read only.
Default Value=0000/0000/0000/0000.
4.5.1.12
SID - Subsystem ID - Device #0
Address Offset:
Default Value:
Access:
Size:
2E-2Fh
0000h
Read/Write Once
16 bits
This value is used to identify a particular subsystem.
Bit
Description
15:0 Subsystem ID (R/WO). The default value is 00h. This field should be programmed during boot-up.
After this field is written once, it becomes read only.
Default Value=0000/0000/0000/0000.
4.5.1.13
CAPPTR - Capabilities Pointer - Device #0
Address Offset:
Default Value:
Access:
Size:
34h
40h
Read Only
8 bits
The CAPPTR provides the offset that is the pointer to the location where the first capability register set
is located.
Bit Description
7:0 Pointer to the start of Capabilities Register Block. The value in this field is 40h.
Default Value=0100/0000.
54
Datasheet
298338-001