[Beowulf] DC Powered Chassis
alvin at Mail.Linux-Consulting.com
Sun Feb 8 17:09:36 EST 2004
hi ya nathan
On Sun, 8 Feb 2004, Nathan Littlepage wrote:
> With all the power talk on the 'HVAC and Room Cooling' subject. I've
> been looking for 1 or 2u chassis that support -48v DC as the main power
> source. Does anyone know of someone that manufactures these?
some collection of "these"
problem with +12v or -48v dc inputs is you need to provide
enough current to these "dc power supply"
- at 12v .. we were calculating about 400A ...
since we estimate 4A per mb and 100 mb per rack
and double it or 50% for keeping the powersupply
reasonably within its normal lifespan ( mtbf )
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