Date   : Fri, 07 Jun 1985 11:54:44 edt
From   : "James A. Mullens" <jcm@ornl-msr.ARPA>
Subject: Re: power supply protectors.

Here is some (possibly) related data.  I have an Apple, an IBM PC, and a
Sage II in the same room at my house.  The IBM is clearly more sensitive
to power fluctuations than the other two (it has full AST 6-pack, dual
floppies, and color display).  I suspect my house has strange wiring
because I blow a lot of light bulbs.  I have also had a lot of problems
with my IBM.  I have had 4 separate problems on 3 separate AST 6-pack
boards, occasional memory parity halts, and a CPU failure.  (I have a
hot 8087 right next to the CPU and have wondered about heat problems
though).  I have not had problems like this with any other computer.
I put el cheapo Radio Shack surge protectors on my lines.  These are
supposed to protect against "x" surge events, and have a small light
which goes out when they are used up.  I have had them installed for
several months.  No more IBM problems yet, but the surge lights have
not gone out either..
q