Datasheet

Interfaces
36 Intel® Xeon® Processor E5-1600/E5-2600/E5-4600 v2 Product Families
Datasheet Volume One of Two
2.5.2.5 WrPkgConfig()
The WrPkgConfig() command provides write access to the package configuration space
(PCS) within the processor, including various power and thermal management
functions. Typical PCS write services supported by the processor may include power
limiting, thermal averaging constant programming and so on. Refer to Section 2.5.2.6
for more details on processor-specific services supported through this command.
CC: 0x91 PECI control hardware, firmware or associated logic error. The processor is unable to
process the request.
CC: 0x93 Pcode MCA - PECI access allowed, but PECI access cannot be completed.
CC: 0x94 Pcode MCA - PECI access allowed and access completes. Will respond with the data along
with the response code.
Table 2-4. RdPkgConfig() Response Definition
Response Meaning