[rescue] I just saw this from an old SGI page... it has mesl ightly worried since...

[Steve Sandau]

"Fogg, James" wrote:
> 
> Ferroresonant transformers are much better for feeding fluctuation sensitive
> stuff. Input on mine says 75~140 volts input, output 110 volts +/- 1 volt.
> And I have tested it on a very loaded circuit with an A/C on the same
> branch. Lights would dim when the A/C compressor kicked in and the output of
> the ferro was rock solid.

We has our old Netware server plusgged into one of those things. It'd
keep the server running (i.e. the monitor lit up) for several seconds
*after* its plug was pulled! We had it for an old Wang. My boss used to
joke that it was more useful than the UPS....

BTW, James, I forgot to answer earlier with my whereabouts. I'm in
Brunswick, Maine, 'bout a half hour north of Portland on the coast...

> 
> Since ferros are fairly unknown beasts, they can be found at surplusers
> cheaply.
> 
> ~ -----Original Message-----
> ~ From: Andrew Weiss [mailto:ajwdsp at cloud9.net]
> ~ Sent: Thursday, January 03, 2002 5:52 PM
> ~ To: rescue at sunhelp.org
> ~ Subject: [rescue] I just saw this from an old SGI page... it has me
> ~ slightly worried since...
> ~
> ~
> ~ I have no UPS for this thing, and I have no AC
> ~
> ~ --------------------------------------------------------------
> ~ ----------
> ~ One of my sources, who owns a home Onyx, says that the
> ~ beast's appetite
> ~ for electricity costs about $ 80-100 a month. He also notes that power
> ~ requirements should include air conditioning; the system gets
> ~ a bit sickly
> ~ at temperatures above 80 degrees.
> ~
> ~ It is technically illegal to run an Onyx at home (thus the source's
> ~ anomynity) due to radio interference regulations. The source
> ~ notes no such
> ~ problems with his system, but of course your mileage may vary.
> ~
> ~ Your Onyx will be horribly sensitive to power fluctuations,
> ~ so you'll need
> ~ a high-quality UPS for it to survive more than a few weeks. Don't even
> ~ think of buying spare parts.
> ~ --------------------------------------------------------------
> ~ ------------
> ~
> ~ Andrew
> ~
> ~ --------------------------------------------------------------
> ~ ----------
> ~ There are, of course, thousands of people who claim to be sys
> ~ admins who
> ~ have the single "skill" of working it out from a gui tool.
> ~ Ask these people
> ~ to move 500 users accounts or 300 virtual hosts from one
> ~ machine to another
> ~ and they are as useful as chocolate firemen. -- Anonymous
> ~ Coward on Slashdot
> ~ 8/15/01
> ~
> ~ UNIX and cigarettes, both addictive and both contain tar.
> ~ _______________________________________________
> ~ rescue list - http://www.sunhelp.org/mailman/listinfo/rescue
> ~
> _______________________________________________
> rescue list - http://www.sunhelp.org/mailman/listinfo/rescue

-- 
Steve Sandau
ssandau at bath.tmac.com