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powersaving_a7v333 [2013/01/15 15:23] krakonos |
powersaving_a7v333 [2014/11/23 16:29] krakonos |
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====== Power savings on A7V333 ====== | ====== Power savings on A7V333 ====== | ||
I have some old 320GB hard drives for some time now. They are all IDE and all unused. I decided to make some backup machine which would sit at home and be handling daily backups. Here is what I have: | I have some old 320GB hard drives for some time now. They are all IDE and all unused. I decided to make some backup machine which would sit at home and be handling daily backups. Here is what I have: | ||
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==== Undervolting ==== | ==== Undervolting ==== | ||
It is only natural that so underclocked system would not need the default 1.75V. After googling a little bit, it seems that these CPUs can run @1.6GHz with 1.5V! Unforunately, | It is only natural that so underclocked system would not need the default 1.75V. After googling a little bit, it seems that these CPUs can run @1.6GHz with 1.5V! Unforunately, | ||
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+ | It seemed to work fine, but sometime during emerging stuff (relatively few things, lzo & openvpn for example), the gcc would segfault on different places. I decided it is time to volt it up back to 1.5V. Segfaults vanished. | ||
^ Voltage ^ Jumpers ^ | ^ Voltage ^ Jumpers ^ |