[Suns-at-Home] cooling disks on the sparcstation 20

[D G Teed]

Has anyone known or located the specs on BTU from the Ultra 1?
I've searched for that and come up null.  If it is leaner on coal
then I'd probably switch to that, even though it is single CPU.

I've monitored my drive temps on the SS20 over cacti
(smartmon tool, shell script and snmp) and they
remain within tolerance (under 40C for the bottom drive, and
under 50C for the top drive).  However this is at home, and
it is winter in Canada.

--Donald

On Jan 17, 2008 4:27 PM, Craig Dewick <cdewick@lios.apana.org.au> wrote:
>
> The problems of overheating inside the SS5 and SS20 enclosure (same box -
> just a different system board, etc.) are I think one of the primary
> reasons why the Ultra 1's were designed with a larger enclosure.
>
> The two drive bays in the SS20 are very bad for cooling, and if you run
> with two SM71 processors (the max config Sun actually recommends) things
> can get quite hot. If you try running two SM81's (which will work,
> providing the OBP is a high enough version) that exceeds Sun's recommended
> ceilings for temperature rise inside the enclosure and with two drives
> fitted (particularly older ones which run hotter), there's very little
> forced airflow to keep the ambient temp inside the enclosure, esp. around
> the drive bays, down to a safe level.
>
> Regards,
>
> Craig.
>
> --
> Post by Craig Dewick (tm). Web @ "http://lios.apana.org.au/~cdewick".
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