F81867
VDDIO
300
300
SIC
SID
SCL
SDA
AMD
CPU
SIO
Fig 6-26 AMD TSI
In Intel PECI interface, the F81867 can connect to the CPU directly. The F81867 can read the
temperature data from CPU, then the fan control machine of F81867 can implement the Fan to
cool down the CPU temperature. The application circuit is as below.
Intel
SIO
PECI
CPU
avoid pre-BIOS floating
PECI
100
Fig 6-27 Intel PECI
Please see below for the Intel PECI 3.0 Spec. commands. The F81867 integrated most of
those commands for the future advantage application. More detail, please refer to the register
descriptions.
F81867
Support
PECI 3.0 Command
Name
PECI 1.0 Command
Name
Status
V
V
V
V
-
Ping( )
GetTemp( )
GetDIB( )
RdIAMSR( )
Ping( )
GetTemp( )
WrIAMSR( )
-
-
-
-
V
V
RdPCIConfigLocal( )
WrPCIConfigLocal( )
RdPCIConfig( )
WrPCIConfig( )
RdPkgConfig( )
WrPkgConfig( )
Not Available in Mobile/DT
Not Available in Mobile/DT
Not Available in Mobile/DT
Not Available in Mobile/DT
Fig 6-28
115
Dec, 2011
V0.12P
FINTEK [ FEATURE INTEGRATION TECHNOLOGY INC. ]
