Processor Thermal And Power Optimization Capabilities; Dram Power Limit Performance Data; Processor; Rdpkgconfig() & Wrpkgconfig() Processor Thermal And Power Optimization Services Summary - Intel BX80619I73820 Design Manual

Figure 7-18. DRAM Power Limit Performance Data
31
7.1.2.7

Processor Thermal and Power Optimization Capabilities

Table 7-8. RdPkgConfig() & WrPkgConfig() Processor Thermal and Power Optimization
Services Summary (Sheet 1 of 3)
Index
Service Value
(byte)
Package
00
Identifier Read
Package Power
30
SKU Unit Read
Package Power
28
SKU [LOW] Read
Package Power
SKU [HIGH] 29
Read
"Wake on PECI"
05
mode bit Write
"Wake on PECI"
05
mode bit Read
Accumulated
31
Run Time Read
Package
Temperature 02
Read
Temperature
16
Target Read
68
Accumulated DRAM Throttle Time
DRAM Power Limit Performance
Parameter RdPkgConfig()
Value Data
(word) (dword)
0x0000 CPUID Information
0x0001 Platform ID
0x0002 Uncore Device ID
0x0003 Max Thread ID
CPU Microcode
0x0004
Update Revision
Machine Check
0x0005
Status
Time, Energy and
0x0000
Power Units
Package Power
0x0000
SKU[31:0]
Package Power
0x0000
SKU[64:32]
0x0001 - Set
N/A
0x0000 - Reset
"Wake on PECI" mode
0x0000
bit
0x0000 Total reference time
Processor package
0x00FF
Temperature
Processor T
0x0000
T
CONTROL
WrPkgConfig()
Data
(dword)
N/A
N/A
N/A
"Wake on PECI"
mode bit
N/A
N/A
N/A
and
jmax
N/A
Thermal/Mechanical Specifications and Design Guide
PECI Interface
0
Description
Returns processor-specific
information including processor
family, model and stepping
information.
Returns platform segment
information.
Returns Uncore Device ID
information.
Returns the maximum 'Thread ID'
value supported by the processor.
Returns microcode update and
firmware revision information.
Returns machine check status
Read units for power, energy and
time used in power control
registers.
Returns Thermal Design Power
and minimum package power
values for the processor SKU.
Returns the maximum package
power value for the processor
SKU and the maximum time
interval for which it can be
sustained.
Enables package pop-up to C2 to
service PECI PCIConfig()
accesses if appropriate.
Read status of "Wake on PECI"
mode bit
Returns the total run time.
Returns the maximum processor
die temperature in PECI format.
Returns the maximum processor
junction temperature and
processor T .
CONTROL