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Re: Power failure + UPS question = LILO question



On Thu, 3 Jul 1997, Mack wrote:

> > 
> > 2. I have realized that I need a UPS, does anyone know one that will able
> >    automatic shutdown for linux? does any Unix UPS will be good?
> > 
> 

Get a real on-line UPS, not the lousy ones that only sayn they are on-li,e
and they actually mean they have a regulator that reacts to peaks. The
on-line UPS should maintain voltage steady...

--Ariel



> You can buy one of those UPS's with rs232 connector, and use the standard
> UPS support in your inittab, but I chose not to do so, since I have too
> many devices on my serial and parallel ports already.
> 
> I bought a UPS with no monitoring cable (much cheaper) and built a very
> simple device connected to my GAME PORT which is unused.
> 
> I wrote a simple upsd program to sample this device and shutdown after a
> while.  (ofcourse I added some other fancy controls :)
> 
> The device is just a 220V relay, "pressing" the "joystick button #1" upon
> power failure and depressing upon power back.
> 
> I can send you the upsd and driver if you plan to connect such device.
> 
> If you choose to buy an rs232 ready UPS, just read the UPS howto.
> 
> 	Yoav
> 
> 

   +---------------------------------------------------------+
   | Ariel Biener                                            |
   | e-mail: ariel@post.tau.ac.il        Work ph: 03-6406086 |
   +---------------------------------------------------------+


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