power

This is the previous workstation, this chapter describes the hardware and how to reinstall when needed.

system

You can use dmidecode for most of this info:

sudo dmidecode

|-------------- |------------------------------------------ |Motherboard |ASRock B75 Pro3-M |Processor |Intel Core i7 3400 Hz |Memory |20 GB

heat problem

For now power mostly runs transmission and the VPN. But especially on hot days the fan goes wild and does not seem to cope with the cpu heat.

I installed the lm-sensors package to test it.

apt-get install lm-sensors
sensors-detect # answer the choices
sensors
# reload modules ?!

Which displays :

Adapter: ISA adapter
Physical id 0:  +71.0°C  (high = +85.0°C, crit = +105.0°C)
Core 0:         +66.0°C  (high = +85.0°C, crit = +105.0°C)
Core 1:         +71.0°C  (high = +85.0°C, crit = +105.0°C)
Core 2:         +67.0°C  (high = +85.0°C, crit = +105.0°C)
Core 3:         +68.0°C  (high = +85.0°C, crit = +105.0°C)

Only 4 cores, while cat /proc/cpuinfo lists 0-7. It seems this cpu only has 4 cores but 2 threads per core.

TODO: This run was done at 25 degrees, run this again when the fans rev up again.