I use
SpeedFan. Contrarly to it's name, it does alot more.
quote:
Originally posted by SpeedFan Website
SpeedFan is a freeware program that monitors voltages, fan speeds and temperatures in computers with hardware monitor chips. SpeedFan can even access S.M.A.R.T. info for those hard disks that support this feature and show hard disk temperatures too, if supported. SpeedFan supports SCSI disks too.