Subject: Re: Cooling
To: None <port-sun3@netbsd.org>
From: Greg A. Woods <woods@weird.com>
List: port-sun3
Date: 03/29/2001 23:26:17
[ On Thursday, March 29, 2001 at 20:43:42 (-0500), Kevin P. Neal wrote: ]
> Subject: Re:  Cooling
>
> On Thu, Mar 29, 2001 at 08:40:29PM -0500, der Mouse wrote:
> > > I imagine having the boards vertical assists convection cooling,
> > > assuming there's free (or forced) airflow from below, through the
> > > cage, and out the top.
> > 
> > There isn't; the airflow goes the other way.  There is a bank of fans
> > (9? 12?) at the bottom of the cardcage that pulls air down over the
> > cards and out the bottom.
> 
> I thought it was only 6 fans below. Then there are the two fans up
> top cooling the drive bay. Also, I never counted the fans in the power 
> supply.

Yes just three pairs in the bottom tray, two on the back at the top, and
one more in the power supply (which IIRC is true for all PS models).

-- 
							Greg A. Woods

+1 416 218-0098      VE3TCP      <gwoods@acm.org>      <robohack!woods>
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