> Did you have a programmer/debugger connected that could have issued an
> spurious erase command?

Nope.


> By the way, those old AT supplies often need a minimum load to regulate
> properly.

Yep.  I do have a min load on it.  Problem is that after running for some 
time, the voltage level drops.  Also, the voltage drops when there is a load 
of about 1A or so on it.

Chees,
-Neil.


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