What Sensors should I check

What Sensor's should I check

This depends on your motherboard, below are a few examples:

Asus TX:

Select the WinBond Sensor 1/LM78 sensor for your Motherboard temperature

Select the LM75-2 sensor for your CPU temperature

P2 Board with only a LM78 (Asus P2L97 series for example)

Select the WinBond Sensor 1/LM78 sensor for your Motherboard temperature

P2 Board with a WinBond W83871D (Asus P2B series for example)

Select the WinBond Sensor 1/LM78 sensor for your Motherboard temperature

Select the WinBond sensor 2 (IF you have an extra sensor attached)

Select the WinBond sensor 3 (IF you have an extra sensor attached)