Intel Core™ i7-860 Processor (8M Cache, 2.80 GHz) BX8060517860 User Manual

Product codes
BX8060517860
Page of 98
Register Description
84
Datasheet
2.11
Integrated Memory Controller Channel Address 
Registers
2.11.1
MC_DOD_CH0_0, MC_DOD_CH0_1, MC_DOD_CH0_2
Channel 0 DIMM Organization Descriptor Register.
Device:
4
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 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
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
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
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.