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46 Intel® Xeon® Processor E5-1600 v2/E5-2600 v2 Product Families
Datasheet Volume One of Two
Table 2-8. RdPkgConfig() & WrPkgConfig() CPU Thermal and Power Optimization
Services Summary (Sheet 1 of 3)
Service
Index
Value
(decimal)
Parameter
Value
(word)
RdPkgConfig
()
Data
(dword)
WrPkgConfig
()
Data
(dword)
Description
Alternate
Inband
MSR or CSR
Access
Package
Identifier
Read
00 0x0000 CPUID
Information
Returns processor-
specific information
including CPU family,
model and stepping
information.
Execute CPUID instruction to get
processor signature
0x0001 Platform ID Used to ensure
microcode update
compatibility with
processor.
MSR 17h: IA32_PLATFORM_ID
0x0002 PCU Device ID Returns the Device
ID information for
the processor Power
Control Unit.
CSR: DID
0x0003 Max Thread ID Returns the
maximum ‘Thread
ID’ value supported
by the processor.
MSR: RESOLVED_CORES_MASK
CSR: RESOLVED_CORES_MASK
0x0004 CPU Microcode
Update
Revision
Returns processor
microcode and PCU
firmware revision
information.
MSR 8Bh: IA32_BIOS_SIGN_ID
0x0005 MCA Error
Source Log
Returns the MCA
Error Source Log
CSR: MCA_ERR_SRC_LOG
Package
Power SKU
Unit Read
30 0x0000 Time, Energy
and Power
Units
N/A Read units for power,
energy and time
used in power
control registers.
MSR 606h:
PACKAGE_POWER_SKU_UNIT
CSR:
PACKAGE_POWER_SKU_UNIT
Package
Power SKU
Read
28 0x0000 Package Power
SKU[31:0]
N/A Returns Thermal
Design Power and
minimum package
power values for the
processor SKU.
MSR 614h:
PACKAGE_POWER_SKU
CSR: PACKAGE_POWER_SKU
Package
Power SKU
Read
29 0x0000 Package Power
SKU[64:32]
N/A Returns the
maximum package
power value for the
processor SKU and
the maximum time
interval for which it
can be sustained.
MSR 614h:
PACKAGE_POWER_SKU
CSR: PACKAGE_POWER_SKU
“Wake on
PECI” Mode
bit Write /
Read
05 0x0001 -
Set
0x0000 -
Reset
N/A “Wake on
PECI” mode bit
Enables package
pop-up to C2 to
service PECI
PCIConfig() accesses
if appropriate.
N/A
“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
Temperature
Read
02 0x00FF Processor
package
Temperature
N/A Returns the
maximum processor
die temperature in
PECI format.
MSR 1B1h:
IA32_PACKAGE_THERM_STATUS