I have also had intermittent problems.  K3 #1442, P3 #0089, XP Pro, only two 
mods applied yet(10 db gain mod that came with it, and the one with the 470 ohm 
resister).  In the beginning it was as bad as getting timeouts to the radio 
from HRD or N1MM or even the utility program.  Bypassing the P3 eliminated the 
problem and reinstalling it became intermittent.  I inspected the RS232 cable 
ends and the connectors for pushed or bent pins and found nothing but it seemed 
to get better.  I then removed the cover, inspected the ribbon cable position 
and seating, then removed it and reseated it.  It then seemed to work much 
better but still hangs up the display once in a while.  Power cycle the P3 to 
clear it.  Sometimes, after a while,  it seems to break loose on it's own.  No 
more timeouts though.

I was reading the mods manual and wondered if the mod where the chokes are 
jumped out might be part of the problem.  Also realized I don't remember 
reconnecting the ground to the K3 after doing the 10db mod and do not have one 
conneced to the P3 and also should probably ground the PC case to the same 
ground buss.  Wonder if the "pin one" problem is causing some of this.  
Thoughts?

I called today intending to order the  DSP all the outstanding mods but 
realized I had a lot of questions.  Will call tomorrow(today) when they are not 
at lunch.

73, de Jim KG0KP
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