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Intel® Xeon® Processor E5-1600 v2/E5-2600 v2 Product Families 47
Datasheet Volume One of Two
Interfaces
Per Core DTS
Temperature
Read
09 0x0000-
0x0007
(cores 0-7)
0x00FF -
System
Agent
Per core DTS
maximum
temperature
N/A Read the maximum
DTS temperature of
a particular core or
the System Agent
within the processor
die in relative PECI
temperature format
MSR 19Ch:
IA32_THERM_STATUS
Temperature
Target Read
16 0x0000 Processor
T
Prochot
and
T
CONTROL
N/A Returns the
PROCHOT_N
assertion
temperature and
processor T
CONTROL
.
MSR 1A2h:
TEMPERATURE_TARGET
CSR: TEMPERATURE_TARGET
Package
Thermal
Status Read /
Clear
20 0x0000 Thermal
Status
Register
N/A Read the thermal
status register and
optionally clear any
log bits. The register
includes status and
log bits for TCC
activation,
PROCHOT_N
assertion and Critical
Temperature.
MSR 1B1h:
IA32_PACKAGE_THERM_STATUS
Thermal
Averaging
Constant
Write/Read
21 0x0000 Thermal
Averaging
Constant
N/A Reads the Thermal
Averaging Constant
N/A
Thermal
Averaging
Constant
Write/Read
21 0x0000 N/A Thermal
Averaging
Constant
Writes the Thermal
Averaging Constant
N/A
Thermally
Constrained
Time Read
32 0x0000 Thermally
Constrained
Time
N/A Read the time for
which the processor
has been operating
in a lowered power
state due to internal
TCC activation.
N/A
Current Limit
Read
17 0x0000 Current Limit
per power
plane
N/A Reads the current
limit on the VCC
power plane
CSR:
PRIMARY_PLANE_CURRENT_
CONFIG_CONTROL
Accumulated
Energy Status
Read
03 0x0000 -
VCC
0x00FF -
CPU
package
Accumulated
CPU energy
N/A Returns the value of
the energy
consumed by just
the VCC power plane
or entire CPU
package.
MSR 639h: PP0_ENERGY_
STATUS
CSR: PP0_ENERGY_STATUS
MSR 611h:
PACKAGE_ENERGY_STATUS
CSR: PACKAG_ENERGY_STATUS
Power Limit
for the VCC
Power Plane
Write / Read
25 0x0000 N/A Power Limit
Data
Program power limit
for VCC power plane
MSR 638h: PP0_POWER_LIMIT
CSR: PP0_POWER_LIMIT
Power Limit
for the VCC
Power Plane
Write / Read
25 0x0000 Power Limit
Data
N/A Read power limit
data for VCC power
plane
MSR 638h: PP0_POWER_LIMIT
CSR: PP0_POWER_LIMIT
Package
Power Limits
for Multiple
Turbo Modes
26 0x0000 N/A Power Limit 1
Data
Write power limit
data 1 in multiple
turbo mode.
MSR 610h:
PACKAGE_POWER_LIMIT
CSR: PACKAGE_POWER_LIMIT
Table 2-8. RdPkgConfig() & WrPkgConfig() CPU Thermal and Power Optimization
Services Summary (Sheet 2 of 3)
Service
Index
Value
(decimal)
Parameter
Value
(word)
RdPkgConfig
()
Data
(dword)
WrPkgConfig
()
Data
(dword)
Description
Alternate
Inband
MSR or CSR
Access