Intel C2550 FH8065401488912 Data Sheet

Product codes
FH8065401488912
Page of 746
Intel
®
 Atom™ Processor C2000 Product Family for Microserver
September 2014
Datasheet, Vol. 2 of 3
Order Number: 330061-002US
407
Volume 2—SMBus 2.0 Unit 2 - PECI—C2000 Product Family
PECI Proxy Commands
17.7.8
WrEndPointConfig()
The WrEndPointConfig() command provides sideband write access to the PCI 
configuration space that resides within the processor. PECI originators can access this 
space even before BIOS enumeration of the system busses. The exact listing of 
supported devices, functions and registers for writing is outside the scope of this 
document. Refer to the appropriate processor specifications for details on registers that 
are accessible through this command. 
 shows the RdEndPointConfig PECI 
Proxy Block Write format an
 shows the RdEndPointConfig 
PECI Proxy Block Read format.
WrEndPointConfig only supports Endpoint agent Punit (0x4). The registers that can be 
modified are the thermal registers in the following address ranges:
0x80 - 0x8E
0xB2
0xB4 - 0xC2