Intel C2550 FH8065401488912 Data Sheet
Product codes
FH8065401488912
Volume 2—SMBus 2.0 Unit 2 - PECI—C2000 Product Family
PECI Proxy Commands
Intel
®
Atom™ Processor C2000 Product Family for Microserver
Datasheet, Vol. 2 of 3
September 2014
398
Order Number: 330061-002US
17.7.4
RdPkgConfig()
The RdPkgConfig() command provides read access to the package configuration space
(PCS) within the processor including various power and thermal management
functions. Typical PCS read services supported by the processor may include access to
temperature data, energy status, run time information, DIMM temperatures and so on.
This command does provide multi-domain support.
shows the RdPkgConfig
PECI Proxy Block Write format and
shows the RdPkgConfig
PECI Proxy Block Read format.
Table 17-14. RdPkgConfig() PECI Proxy Block Write
SMBus
Function
Value
Data
Source
Comment
Slave Address
(Write)
Write Address
SMBus
Command
0x4C
BMC
Command
Code
PECI Mode
command code
0x62
Byte Count
N
Control Data
0x09
Byte 1
SMBus-PECI
Handshake
Control
0x00
Value = 0x00
No AW FCS Required
Byte 2
PECI Client
Address
PECI
Command
0x30
Byte 3
PECI Write
Length
0x05
Byte 4
PECI Read
Length
{0x02,
0x3,
0x5}
Byte 5
RdPkgConfig()
Command Code
0xA1
Byte 6
Host ID and
Retry
0x00
Byte 7
Index
See
and
for the supported
capabilities and their Index
and Parameter information.
Byte 8
Parameter LSB
Byte 9
Parameter MSB