PECI Interface
68
Thermal/Mechanical Specifications and Design Guide
7.1.2.7
Processor Thermal and Power Optimization Capabilities
Figure 7-18. DRAM Power Limit Performance Data
Table 7-8.
RdPkgConfig() & WrPkgConfig() Processor Thermal and Power Optimization
Services Summary (Sheet 1 of 3)
Service
Index
Value
(byte)
Parameter
Value
(word)
RdPkgConfig()
Data
(dword)
WrPkgConfig()
Data
(dword)
Description
Package
Identifier Read
00
0x0000
CPUID Information
Returns processor-specific
information including processor
family, model and stepping
information.
0x0001
Platform ID
Returns platform segment
information.
0x0002
Uncore Device ID
Returns Uncore Device ID
information.
0x0003
Max Thread ID
Returns the maximum ‘Thread ID’
value supported by the processor.
0x0004
CPU Microcode
Update Revision
Returns microcode update and
firmware revision information.
0x0005
Machine Check
Status
Returns machine check status
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.
Package Power
SKU [LOW] Read
28
0x0000
Package Power
SKU[31:0]
N/A
Returns Thermal Design Power
and minimum package power
values for the processor SKU.
Package Power
SKU [HIGH]
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.
“Wake on PECI”
mode bit Write
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.
“Wake on PECI”
mode bit Read
05
0x0000
“Wake on PECI” mode
bit
N/A
Read status of “Wake on PECI”
mode bit
Accumulated
Run Time Read
31
0x0000
Total reference time
N/A
Returns the total run time.
Package
Temperature
Read
02
0x00FF
Processor package
Temperature
N/A
Returns the maximum processor
die temperature in PECI format.
Temperature
Target Read
16
0x0000
Processor T
jmax
and
T
CONTROL
N/A
Returns the maximum processor
junction temperature and
processor T
CONTROL
.
DRAM Power Limit Performance
Accumulated DRAM Throttle Time
0
31
Summary of Contents for BX80619I73820
Page 10: ...10 Thermal Mechanical Specifications and Design Guide...
Page 14: ...Introduction 14 Thermal Mechanical Specifications and Design Guide...
Page 104: ...Thermal Solutions 104 Thermal Mechanical Specifications and Design Guide...
Page 112: ...Mechanical Drawings 112 Thermal Mechanical Specifications and Design Guide...
Page 118: ...Socket Mechanical Drawings 118 Thermal Mechanical Specifications and Design Guide...
Page 124: ...Package Mechanical Drawings 124 Thermal Mechanical Specifications and Design Guide...