Specification Sheet

Intel
®
Xeon
®
Processor E5-1600/E5-2600/E5-4600 v2 Product Families 41
Datasheet Volume One of Two
Interfaces
Table 2-6. RdPkgConfig() & WrPkgConfig() DRAM Thermal and Power Optimization
Services Summary (Sheet 1 of 2)
Service
Index
Value
(decimal)
Parameter
Value
(word)
RdPkgConfig()
Data
(dword)
WrPkgConfig()
Data
(dword)
Description
Alternate
Inband
MSR or CSR
Access
DRAM
Thermal
Estimation
Configuration
Data
Read/Write
15
0x0000
DRAM Thermal
Estimation
Configuration Data
N/A Read the DRAM
Thermal
Estimation
configuration
parameters.
CSR:
MEM_TRML_ESTIMATION_
CONFIG
DRAM
Thermal
Estimation
Configuration
Data
Read/Write
15
0x0000
N/A DRAM Thermal
Estimation
Configuration
Data
Configure the
DRAM Thermal
Estimation
parameters.
CSR:
MEM_TRML_ESTIMATION_
CONFIG
DRAM Rank
Tem pe ra tu re
Write
18
Channel
Index &
DIMM Index
N/A Absolute
temperature in
Degrees Celsius
for ranks 0, 1, 2
& 3
Write
temperature
for each rank
within a single
DIMM.
N/A
DIMM
Tem pe ra tu re
Read
14
Channel
Index
Absolute
temperature in
Degrees Celsius for
DIMMs 0, 1, & 2
N/A Read
temperature of
each DIMM
within a
channel.
CSR: DIMMTEMPSTAT_[0:2]
DIMM
Ambient
Tem pe ra tu re
Write / Read
19
0x0000
N/A Absolute
temperature in
Degrees C to be
used as ambient
temperature
reference
Write ambient
temperature
reference for
activity-based
rank
temperature
estimation.
N/A
DIMM
Ambient
Tem pe ra tu re
Write / Read
19
0x0000
Absolute
temperature in
Degrees C to be
used as ambient
temperature
reference
N/A Read ambient
temperature
reference for
activity-based
rank
temperature
estimation.
N/A
DRAM
Channel
Tem pe ra tu re
Read
22
0x0000
Maximum of all
rank temperatures
for each channel in
Degrees Celsius
N/A Read the
maximum
DRAM channel
temperature.
N/A
Accumulated
DRAM Energy
Read
04
Channel
Index
0x00FF - All
Channels
DRAM energy
consumed by the
DIMMs
N/A Read the DRAM
energy
consumed by
all the DIMMs
in all the
channels or all
the DIMMs
within a
specified
channel.
MSR 619h:
DRAM_ENERGY_STATUS
CSR: DRAM_ENERGY_STATUS
CSR:
DRAM_ENERGY_STATUS_CH[
0:3]
1
DRAM Power
Info Read
35
0x0000
Typical and
minimum DRAM
power settings
N/A Read DRAM
power settings
info to be used
by power
limiting entity.
MSR 61Ch:
DRAM_POWER_INFO
CSR: DRAM_POWER_INFO
DRAM Power
Info Read
36
0x0000
Maximum DRAM
power settings &
maximum time
window
N/A Read DRAM
power settings
info to be used
by power
limiting entity
MSR 61Ch:
DRAM_POWER_INFO
CSR: DRAM_POWER_INFO