Quote:
Originally Posted by Nihilo 
From what I understand, you want to leave C states on, but Speedstep only works with offset OCing anyway afaik, so if you're doing manual you could probably turn it off and be ok. I'm not sure if Speedstep lowers the multiplier on idle even if using manual OC or not, but from what I can tell, it doesn't.
From what I understand, you want to leave C states on, but Speedstep only works with offset OCing anyway afaik, so if you're doing manual you could probably turn it off and be ok. I'm not sure if Speedstep lowers the multiplier on idle even if using manual OC or not, but from what I can tell, it doesn't.
Its my understanding that Speedstep will lower multi to 16 even with manual voltage. You need to use offset voltage if you want to use C1E though (to reduce voltage when idle). C states though, well I'm not completely sure. I've read that having them enabled can screw SSD performance but I've also read that disabling them is not good either. Maybe auto is best?
Either way, I'd had offset voltage set, with Speedstep / C1E enabled and C3 / C6 on auto and passed 14 hours of Prime95 only to get 'x264 has stopped working' messages when encoding. I've now disabled ALL energy saving features and have done over 36 hours worth of encoding since without a hitch. Of course, my misunderstanding and therefore my possible misuse of offset may well have been to blame for instability, so until I've done more reading and testing I'll stay manual volts and keep the energy saving stuff off.
Edited by iSeries - 5/12/12 at 2:35pm
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