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Intel® Xeon® Processor E5-1600 v2/E5-2600 v2 Product Families 39
Datasheet Volume One of Two
Interfaces
Notes:
1. Time, energy and power units should be assumed, where applicable, to be based on values returned by a read of the
PACKAGE_POWER_SKU_UNIT MSR or through the Package Power SKU Unit PCS read service.
DIMM
Ambient
Temperature
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
Temperature
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
Temperature
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
DRAM Power
Limit Data
Write/Read
34
0x0000
N/A DRAM Plane
Power Limit Data
Write DRAM
Power Limit
Data
MSR 618h:
DRAM_POWER_LIMIT
CSR:
DRAM_PLANE_POWER_LIMIT
DRAM Power
Limit Data
Write/Read
34
0x0000
DRAM Plane Power
Limit Data
N/A Read DRAM
Power Limit
Data
MSR 618h:
DRAM_POWER_LIMIT
CSR:
DRAM_PLANE_POWER_LIMIT
DRAM Power
Limit
Performance
Status Read
38
0x0000
Accumulated DRAM
throttle time
N/A Read sum of all
time durations
for which each
DIMM has been
throttled
CSR:
DRAM_RAPL_PERF_STATUS
Table 2-6. RdPkgConfig() & WrPkgConfig() DRAM Thermal and Power Optimization
Services Summary (Sheet 2 of 2)
Service
Index
Value
(decimal)
Parameter
Value
(word)
RdPkgConfig()
Data
(dword)
WrPkgConfig()
Data
(dword)
Description
Alternate
Inband
MSR or CSR
Access