>
> I really don't think that your problem is the filter caps.   I think the
> problem is that your VCC is coming up too slowly when you turn the system
> back on.  This is a known problem with the pics.  Check the data book.
Mine
> has a section warning about this and a solution is provided as well! How
big
> are the caps?  If you have very large filter caps like in a computer
grade
> linear supply (10000 uf plus) it will take a realtivly long period of
time
> for those caps to charge when the system is turned on.
>
> Dave Duley
> V.P. DreiTek Inc.

Nope, if I unplug the offending cable and let the VDC drop to GND, then
power up, I got no problems.