[AusNOG] CNET: Google uncloaks once-secret server

[Kieran Wallace]

It looks to me like those wires are of a much thinner gauge than those which
are plugged into the hard drives.

Also, from the article:
> Google's designs supply only 12-volt power, with the necessary conversions
taking place on the motherboard.

I'd say the motherboard does the conversion...

-----Original Message-----
From: ausnog-bounces at lists.ausnog.net
[mailto:ausnog-bounces at lists.ausnog.net] On Behalf Of Colwell, Scott
Sent: Friday, 3 April 2009 10:41 AM
To: AusNOG at lists.ausnog.net
Subject: Re: [AusNOG] CNET: Google uncloaks once-secret server

 

> -----Original Message-----
> From: ausnog-bounces at lists.ausnog.net 
> [mailto:ausnog-bounces at lists.ausnog.net] On Behalf Of Bob Purdon
> Sent: Friday, 3 April 2009 1:23 PM
> To: Craig Askings; AusNOG at lists.ausnog.net
> Subject: Re: [AusNOG] CNET: Google uncloaks once-secret server
.. 
> 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. 

You can see the standard 4 wire power (+5, +12 and 2x GND) going from
power supply to the drive
so it seems likely that there is a 12v to 5v dc/dc converter in the
power supply.

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