Интерпретация показаний датчиков сторонними программами иногда, мягко говоря, неверна.
Вот например у меня:
Код:

[vadim@vadblm ~]$ sensors
coretemp-isa-0000
Adapter: ISA adapter
Core 0: +39.0°C (high = +78.0°C, crit = +100.0°C)
coretemp-isa-0001
Adapter: ISA adapter
Core 1: +39.0°C (high = +78.0°C, crit = +100.0°C)
it8718-isa-0290
Adapter: ISA adapter
in0: +1.07 V (min = +0.00 V, max = +4.08 V)
in1: +1.98 V (min = +0.00 V, max = +4.08 V)
in2: +3.31 V (min = +0.00 V, max = +4.08 V)
in3: +3.01 V (min = +0.00 V, max = +4.08 V)
in4: +0.19 V (min = +0.00 V, max = +4.08 V) ALARM
in5: +0.05 V (min = +0.00 V, max = +4.08 V) ALARM
in6: +0.10 V (min = +0.00 V, max = +4.08 V)
in7: +2.99 V (min = +0.00 V, max = +4.08 V)
Vbat: +3.22 V
fan1: 1383 RPM (min = 0 RPM)
fan2: 0 RPM (min = 0 RPM)
fan3: 0 RPM (min = 0 RPM)
fan4: 1781 RPM (min = 0 RPM)
temp1: +30.0°C (low = +127.0°C, high = +127.0°C) sensor = thermistor
temp2: +34.0°C (low = +127.0°C, high = +70.0°C) sensor = thermal diode
temp3: -2.0°C (low = +127.0°C, high = +127.0°C) sensor = thermistor
Особенно умиляет показание последнего температурного датчика
