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means it was set to 9600bps. Setting it to 38400 did not work, and switching it back to 9600bps now also failed.. Measuring the switch showed that several of the switches failed to make contact, so I decided to replace the switch. Desoldering the thing showed something special:

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clearly some rework has been done on the board at some time.

I did not have a 7 switch DIP switch so I had to use an 8 switch one and cut of the legs of the 8th switch:

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I could now switch to 38400bps for the TU58 which helps a lot with load speed of these diagnostics

Preparing for running the emulation

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