RG82845M Intel, RG82845M Datasheet - Page 76

• Manufacturer Part Number: RG82845M
• Description: Chipset Memory Controller Hub Mobile
• Manufacturer: Intel

Intel
3.7.30.
76
®
82845MP/82845MZ Chipset-Mobile (MCH-M)
Note: The address provided via ATTBASE is 4-KB aligned
#0
Address Offset:
ATTBASE – Aperture Translation Table Base Register – Device
Default Value:
Access:
Size:
This register provides the starting address of the Graphics Aperture Translation Table Base located in the
main DRAM. This value is used by the MCH-M Graphics Aperture address translation logic (including
the GTLB logic) to obtain the appropriate address translation entry required during the translation of the
aperture address into a corresponding physical DRAM address. The ATTBASE register may be
dynamically changed.
31:12
11:0
Bit
Aperture Translation Table Base (TTABLE): This field contains a pointer to the base of the
translation table used to map memory space addresses in the aperture range to addresses in main
memory.
NOTE: It should be modified only when the GTLB has been disabled.
Reserved
B8-BBh
0000_0000h
Read/Write, Read Only
32 bits
Datasheet
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Description
250687-002
R