RG82845M Intel, RG82845M Datasheet - Page 42
RG82845M
Manufacturer Part Number
RG82845M
Description
Chipset Memory Controller Hub Mobile
Manufacturer
Intel
Datasheet
1.RG82845M.pdf
(157 pages)
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Intel
3.6.
42
®
82845MP/82845MZ Chipset-Mobile (MCH-M)
Note: All accesses to these Memory Mapped Registers must be made as a single DWORD (4 bytes) or less.
Memory Mapped Register Space
All System Memory control functions have been consolidated into a new memory mapped address region
within Device 0 Function 0. This space will be accessed using a new Base Address Register (BAR)
located at Dev 0 Func 0 (Offset 14h). By default this BAR will be invisible (i.e., Read-Only zeros).
Access must be aligned on a natural boundary.
The high-level breakout of these memory-mapped registers is as follows.
020h-02Bh
2Ch
02Dh-02Fh
030h-034h
040h-0DFh
140h-1DFh
Address
Reserved
DRAM Width Register
Reserved
Strength Registers
Reserved
Reserved
Register Group
Datasheet
250687-002
R