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Register Description
2.11.2
MC_DOD_CH1_0, MC_DOD_CH1_1, MC_DOD_CH1_2
Channel 1 DIMM Organization Descriptor Register.
Device:
Function: 1
Offset:
Access as a Dword
Bit
12:10
9
8:7
6:5
4:2
1:0
Datasheet
5
48h, 4Ch, 50h
Reset
Type
Value
RANKOFFSET. Rank Offset for calculating RANK.
This field corresponds to the first logical rank on the DIMM. The rank offset is
always programmed to 0 for the DIMM 0 DOD registers. (DIMM 0 rank offset is
RW
0
always 0.) DIMM 1 DOD rank offset is either 4 for two DIMMs per channel or 2 if
there are three DIMMs per channel. DIMM2 DOD rank offset is always 4 as it is
only used in three DIMMs per channel case.
RW
0
DIMMPRESENT. DIMM slot is populated.
NUMBANK.
Defines the number of (real, not shadow) banks on these DIMMs.
RW
0
00 = Four-banked
01 = Eight-banked
10 = Sixteen-banked
NUMRANK. Number of Ranks. Defines the number of ranks on these DIMMs.
00 = Single Ranked
RW
0
01 = Double Ranked
10 = Quad Ranked
NUMROW. Number of Rows.
Defines the number of rows within these DIMMs.
000 = 2^12 Rows
RW
0
001 = 2^13 Rows
010 = 2^14 Rows
011 = 2^15 Rows
100 = 2^16 Rows
NUMCOL. Number of Columns.
Defines the number of columns within on these DIMMs.
00 = 2^10 columns
RW
0
01 = 2^11 columns
10 = 2^12 columns
11 = RSVD.
Description
85
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