Specification Sheet

Intel
®
Xeon
®
Processor E5-1600/E5-2600/E5-4600 v2 Product Families 49
Datasheet Volume One of Two
Interfaces
“Wake on PECI”
Mode bit Write /
Read
05 0x0000 “Wake on PECI”
mode bit
N/A Read status of
“Wake on PECI”
mode bit
N/A
Accumulated
Run Time Read
31 0x0000 Total reference
time
N/A Returns the total run
time.
MSR 10h:
IA32_TIME_STAMP_COUNTER
Package
Tem pe ra tu re
Read
02 0x00FF Processor
package
Tem pe ra tu re
N/A Returns the
maximum processor
die temperature in
PECI format.
MSR 1B1h:
IA32_PACKAGE_THERM_STATUS
Per Core DTS
Tem pe ra tu re
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
Tem pe ra tu re
Targ e t R e a d
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
Tem pe ra tu re.
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
Table 2-8. RdPkgConfig() & WrPkgConfig() CPU Thermal and Power Optimization
Services Summary (Sheet 2 of 4)
Service
Index
Value
(decimal)
Parameter
Value
(word)
RdPkgConfig()
Data
(dword)
WrPkgConfig
()
Data
(dword)
Description
Alternate
Inband
MSR or CSR
Access