JG82852GMSL7VP Datasheet, PDF (106/176 Pages) Intel Corporation – Intel® 852GM/852GMV Chipset Intel® 852GM/852GMV Chipset Hub (GMCH)

Register Description
R
3.11.9.
HDR2 – Header Type Register - Device #2
Address Offset:
Default Value:
Access:
Size:
0Eh
00h
Read Only
8 bits
This register contains the Header Type of the IGD.
Bit
Description
7
Multi Function Status (MFunc): Indicates if the device is a Multi-Function Device.
6:0 Header Code (H): This is a 7-bit value that indicates the Header Code for the IGD. This code has the value
00h, indicating a type 0 configuration space format.
3.11.10.
GMADR – Graphics Memory Range Address Register - Device
#2
Address Offset:
Default Value:
Access:
Size:
10 13h
00000008h
Read/Write, Read Only
32 bits
IGD graphics System Memory base address is specified in this register.
Bit
31:27
26
25:4
3
2:1
0
Description
Memory Base Address R/W: Set by the OS, these bits correspond to address signals [31:26].
128-MB Address Mask – RO: 0 indicates 128-MB address
Address Mask RO: Indicates (at least) a 32-MB address range.
Prefetchable Memory RO: Enable prefetching.
Memory Type RO: Indicate 32-bit address.
Memory/IO Space RO: Indicate System Memory space.
106
Intel^® 852GM/852GMV Chipset GMCH Datasheet