Rdpkgconfig() & Wrpkgconfig() Dram Thermal And Power Optimization Services Summary - Intel Xeon Processor E5-1600 Datasheet

Table 2-6. RdPkgConfig() & WrPkgConfig() DRAM Thermal and Power Optimization
Services Summary (Sheet 1 of 2)
Index
Service Value
(decimal)
DRAM Rank
Temperature
Write 18
DIMM
Temperature
Read 14
DIMM Ambient
Temperature
Write / Read
19
DIMM Ambient
Temperature
Write / Read
19
DRAM Channel
Temperature
22
Read
Accumulated
DRAM Energy
Read
04
DRAM Power
Info Read
35
DRAM Power
Info Read
36
Intel® Xeon® Processor E5-1600/E5-2600/E5-4600 Product Families
Datasheet Volume One
Parameter RdPkgConfig()
Value Data
(word) (dword)
Channel
Index & N/A
DIMM Index
Absolute
temperature in
Channel
Index
Degrees Celsius for
DIMMs 0, 1, & 2
0x0000 N/A
Absolute
temperature in
Degrees C to be
0x0000
used as ambient
temperature
reference
Maximum of all rank
temperatures for
0x0000
each channel in
Degrees Celsius
Channel
DRAM energy
Index
consumed by the
0x00FF - All
DIMMs
Channels
Typical and
0x0000 minimum DRAM
power settings
Maximum DRAM
power settings &
0x0000
maximum time
window
WrPkgConfig()
Data
Description
(dword)
Absolute
Write
temperature in
temperature for
Degrees Celsius
each rank within
for ranks 0, 1, 2
a single DIMM.
& 3
Read
temperature of
N/A each DIMM
within a
channel.
Write ambient
Absolute
temperature
temperature in
reference for
Degrees C to be
activity-based
used as ambient
rank
temperature
temperature
reference
estimation.
Read ambient
temperature
reference for
N/A activity-based
rank
temperature
estimation.
Read the
maximum DRAM
N/A
channel
temperature.
Read the DRAM
energy
consumed by all
the DIMMs in all
N/A the channels or
all the DIMMs
within a
specified
channel.
Read DRAM
power settings
N/A info to be used
by power
limiting entity.
Read DRAM
power settings
N/A info to be used
by power
limiting entity
Alternate Inband
MSR or CSR
Access
N/A
CSR:
DIMMTEMPSTAT_[0:2]
N/A
N/A
N/A
MSR 619h:
DRAM_ENERGY_STATUS
CSR:
DRAM_ENERGY_STATUS
CSR:
DRAM_ENERGY_STATUS_C
1
H[0:3]
MSR 61Ch:
DRAM_POWER_INFO
CSR: DRAM_POWER_INFO
MSR 61Ch:
DRAM_POWER_INFO
CSR: DRAM_POWER_INFO
39