Functional Description CP308
Page 2 - 28 ID 1027-4487, Rev. 3.0
P R E L I M I N A R Y
Table 2-22: Onboard Temperature Sensors
FUNCTION DESCRIPTION
Processor temperature Current processor die temperature (Temp 1)
Board temperature Current board temperature (Temp 1)
DDR3 temperature Current temperature of the Temp 2 sensor below the SODIMM module
Processor overtemperature Indicates a catastrophic cooling failure; processor temp. > 125°C
Processor internal thermal monitor Status of processor internal thermal monitor (processor host)
GMCH internal thermal monitor Status of GMCH internal thermal monitor (Aux2 trip point)
Table 2-23: Onboard Power Supply Sensors and Signals
FUNCTION DESCRIPTION
PGOOD main Status of all power good signals
PGOOD SMC Power good reset signal (cold reset)
Power controller fail Power controller fail signal for onboard 5 V, 3.3 V and V(I/O)
Voltage 3.3 V Board 3.3 V supply
Voltage 5 V Board 5 V supply
CPCI I²C supply CPCI I²C bus voltage
Table 2-24: Rear I/O Fan Sensors and Signals
FUNCTION DESCRIPTION
Fan sense Status of fan
Fan PWM Fan control signal
Table 2-25: SMC General Sensors and Signals
FUNCTION DESCRIPTION
SMC LED One bicolor LED (red, green and red+green)
HW logic index CP308 hardware and logic index
POST code POST code values from the host I/O ports
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