Running cool and silent

[Anssi Saari]

Rustom Mody <rustompmody at gmail.com> writes:

> For some reason my Dell laptop runs hot and noisy in linux but cool and
> silent in Windows-8
>
> Running
>
> $ echo "min_power" | sudo tee /sys/class/scsi_host/host*/link_power_management_policy
>
> makes the fan slow/stop.
>
> But I am not sure what it does!!
> [I dont want my laptop fried and its rather HOT out here right now :-) ]

That just turns on the power management on your SATA links. Goggle SATA
ALPM if you like. It's perfectly safe.