On 7/3/11, Robert Heller <heller@xxxxxxxxxxxx> wrote:
> (I'm guessing that Google's massive array of battery powered servers use
> things like Atom processors or some other mobile or embeded processing
> elements on their custom motherboards, which might be a customized
> variant of a laptop or embedded processing motherboard.)
IIRC, Google's server boards run normal processors. It's just the
board was customized to work off single+12V voltage, with a battery
sitting in between to act as a UPS. The reason was a single +12V
battery per server was cheaper than a huge UPS for a bunch of servers.
Google also use enough boards that it was economically feasible for
the manufacturer to make design changes to an existing board design to
support this.
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