Thanks for all the responses!
Here are a few more details and what I have tried:
Running only Dos 6.22 with both computers
Radios are in normal mode not mem mode
Master CPU reset - did not fix
Swapped com ports - same thing - computers could talk to each other through
ALT G function but not to radios
I can change bands via keyboard (computer responds) but radio does not
respond.  Still get "Radio Timeout" message
Any other things to try?
Please advise & tnx.
Bob KQ2M
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