> My strong advice would be to return those caps by a dedicated,
> isolated track to the nearest uP ground pin to the crystal pins

And ground the crystal case too. That's solved mysterious micro
behaviour a couple of times for me
--=20
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist
.