On Wed, 09 Jul 2008, Gerhard Wiesinger wrote: > Load on power supply measured on 220V side with a true RMS Wattmeter: That won't help for the failure mode you're looking for. Hook an osciloscope to the power lines on the HD's power feed, and try to get it to trigger on any "big" variations. -- "One disk to rule them all, One disk to find them. One disk to bring them all and in the darkness grind them. In the Land of Redmond where the shadows lie." -- The Silicon Valley Tarot Henrique Holschuh -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html