[AusNOG] CNET: Google uncloaks once-secret server
Bob.Purdon at staff.pipenetworks.com
Fri Apr 3 13:22:50 EST 2009
Battery goes directly into the PSU, so presumably there's a charging
circuit in there. I'd expect this to work a lot like a 48VDC system,
except at 12V.
The only thing that isn't explained - at least for me - is where they're
getting the 5V for the HDD's from (assuming the Hitachi Deskstar's
actually require 5V). They may have a small DC/DC converter under the
HDD's for that though.
> -----Original Message-----
> From: ausnog-bounces at lists.ausnog.net
> [mailto:ausnog-bounces at lists.ausnog.net] On Behalf Of Craig Askings
> Sent: Friday, 3 April 2009 11:45 AM
> To: 'AusNOG at lists.ausnog.net'
> Subject: Re: [AusNOG] CNET: Google uncloaks once-secret server
> All the cables are at the front, makes sense from an access
> and maintenance point of view.
> Europe etc do 220-240v as well.
> What I'm curious about, is that server picture has Nov-2007
> on the HDDs. I wonder what design changes they have made in
> the last 18 months or so. Not to mention what they have done
> on the DC side that hasn't been disclosed to the public.
> Craig Askings.
> On Thu, April 2, 2009 9:27 pm, Sean K. Finn wrote:
> > The only thing unintuitive that I can see about the design
> is that the
> > power cord goes THROUGH the server only to reconnect at the other
> > side, and looks hard wired in the side of the chassis.
> > The power supply shows 200-240Vac, so are we looking at an
> > server?
> > -Sean.
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