Hibernatning RAM

John McCabe-Dansted gmatht at gmail.com
Sat Mar 15 09:35:40 PDT 2008


On Sun, Mar 16, 2008 at 12:02 AM, Jose Celestino <japc at co.sapo.pt> wrote:
>  Wouldn't you save more power if you use your memory as cache (for
>  filesystem, for instance) than simply shutting it down (even if that's
>  possible, i don't know)?

According to this:
  http://www.tomshardware.com/2007/05/30/the_power_saving_guide/page6.html
a pair of DIMMs required 8 watts, while spinning up a harddisk took
8-9 watts. YMMV, but it seems plausible that shutting down the memory
would save power, even if the cache was moderately effective.

-- 
John C. McCabe-Dansted
PhD Student
University of Western Australia



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