Specification Sheet
Datasheet, Volume 2 of 2 191
MCHBAR Registers
7.20 Power Management DIMM WrCas Energy (PM)—
Offset 4670h
This register defines the energy contribution of a write CAS command. Each 8-bit field
corresponds to an integer multiple of the base DRAM command energy for that DIMM.
There are 2 8-bit fields, one per DIMM.
Access Method
Default: 0h
Type: MEM
(Size: 32 bits)
Offset: [B:0, D:0, F:0] + 4670h
3
1
2
8
2
4
2
0
1
6
1
2
8
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
RSVD
DIMM1_WR_ENERGY
DIMM0_WR_ENERGY
Bit
Range
Default &
Access
Field Name (ID): Description
31:16
0h
RO
Reserved (RSVD): Reserved.
15:8
0h
RW_L
DIMM1_WR_ENERGY: This register defines the energy contribution of a write CAS
command.
7:0
0h
RW_L
DIMM0_WR_ENERGY: This register defines the energy contribution of a write CAS
command.