> Spontaneous reboots often point to bad RAM. Are you borrowing DIMMS
> from one board to the other? Just a shot in the dark idea.
> 
> Jason

To further complete the census, 
I was having daily reboots at the same time from only *one* of 2 machines
that were plugged into the same UPS. Turns out it was cutting power to at
least one of its sockets after its battery went bad.

Andy