I know this isn't exactly on-topic for this list, but please humor me.
It's really a mac-specific unix question, but not particularly dependent
on which mac unix clone....  :-)


Background:

We're considering adding UPS backup for a 7600 that happens to be running
MkLinux, and I thought I'd send it to this list as well, just to get some
answers from a somewhat different crossection of the Mac community.  The
goal is to back up the computer, without the monitor, for at least 30
minutes.


Questions:


1. What VA rating would you suggest to achieve that (the system's power
supply is rated at 3 amps max, no idea what the real drain is, though),

2. How hard is it to set up LAN signalling on a free unix clone (i.e. is
powerd or the equivalent available in source code form, and if not, how
hard would something like that be to write)? 


Any ideas?

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