Re: SCSI and hot-pluggable systems..... <sigh>

Joel Philip Jaeggli (
Tue, 8 Jul 1997 10:49:12 -0700 (PDT)

My ups (APC Smart-UPS 1400) and most of the other ones around here
includeing our BEST ferrups 7000va have serial ports so I expect you'd
probably want to do this in userspace. On mine I just have a null modem
cable connected to it and I can watch the status with kermit.


On Mon, 7 Jul 1997, Pavel Machek wrote:

> Hi!
> > What's the status on UPS (uninteruptable power system) support? Can
> > linux read commands from ANY UPS systems? (eg: Power is about to
> > fail).
> Hmm, my friend (mj) wrote support for this for one particular ups in 5
> minutes ;-).
> > Or perhaps this is a power-management deal.
> > Comment: If this IS APM-based, APM in non-laptops is GOOD to have!
> > (required in laptops!)
> > Just a pet peeve.... but it's a manufacturer problem (nonstandard APM)
> > rather than a linux problem.
> Look at that card and write it. 5 minutes after you get know how that
> UPS signalization works.
> --
> --
> I'm really Pavel
> Look at ;-).

Joel Jaeggli
Academic User Services
"On two occasions I have been asked [by members of Parliament!], `Pray,
Mr. Babbage, if you put into the machine wrong figures, will the right
answers come out?' I am not able rightly to apprehend the kind of
confusion of ideas that could provoke such a question."
-- Charles Babbage