interested : You're right about the fan noise, but it's easy to solve that with few shell tricks :   ipkg install mktemp ipkg install lm-sensors   Then you issue :   sensors   It should read something like :   coretemp-isa-0000 Adapter: ISA adapter Core 0: +37.0°C (crit = +100.0°C) it8721-isa-0a10 Adapter: ISA adapter in0: +3.06 V (min = +2.20 V, max = +3.06 V) ALARM in1: +2.86 V (min = +0.00 V, max = +2.08 V) ALARM in2: +2.22