Intel i7-870 BX80605I7870 Manuel D’Utilisation
Codes de produits
BX80605I7870
Datasheet
85
Register Description
2.11.2
MC_DOD_CH1_0, MC_DOD_CH1_1, MC_DOD_CH1_2
Channel 1 DIMM Organization Descriptor Register.
Device:
5
Function: 1
Offset:
48h, 4Ch, 50h
Access as a Dword
Bit
Type
Reset
Value
Description
12:10
RW
0
RANKOFFSET. Rank Offset for calculating RANK.
This field corresponds to the first logical rank on the DIMM. The rank offset is
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
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.
9
RW
0
DIMMPRESENT. DIMM slot is populated.
8:7
RW
0
NUMBANK.
Defines the number of (real, not shadow) banks on these DIMMs.
00 = Four-banked
01 = Eight-banked
10 = Sixteen-banked
Defines the number of (real, not shadow) banks on these DIMMs.
00 = Four-banked
01 = Eight-banked
10 = Sixteen-banked
6:5
RW
0
NUMRANK. Number of Ranks. Defines the number of ranks on these DIMMs.
00 = Single Ranked
01 = Double Ranked
10 = Quad Ranked
00 = Single Ranked
01 = Double Ranked
10 = Quad Ranked
4:2
RW
0
NUMROW. Number of Rows.
Defines the number of rows within these DIMMs.
000 = 2^12 Rows
001 = 2^13 Rows
010 = 2^14 Rows
011 = 2^15 Rows
100 = 2^16 Rows
Defines the number of rows within these DIMMs.
000 = 2^12 Rows
001 = 2^13 Rows
010 = 2^14 Rows
011 = 2^15 Rows
100 = 2^16 Rows
1:0
RW
0
NUMCOL. Number of Columns.
Defines the number of columns within on these DIMMs.
00 = 2^10 columns
01 = 2^11 columns
10 = 2^12 columns
11 = RSVD.
Defines the number of columns within on these DIMMs.
00 = 2^10 columns
01 = 2^11 columns
10 = 2^12 columns
11 = RSVD.