Serial link between MSDos and Linux troubles

Last Updated or created 2022-12-28

In post i mentioned the serial connectors i’ve bought to connect the Laser XT to my Workstation to transfer files.

The null modem i’ve made is like mentioned on

I’ve used the loopback handshaking using 3 wires. ( Only using a DB25 and a DB9 on the other end )

So i configured the Linux side as follows.

I’ve tried two usb to serial converters.

Both when trying on windows 10 are not supported any more

Dec 14 17:34:40 zspot kernel: [ 1082.299607] usb 1-4: pl2303 converter now attached to ttyUSB0

sudo stty -F /dev/ttyUSB0 9600

Then i start dosbox.
To enable a com port i have to enter:

serial1=directserial realport:ttyUSB0

Starting Norton Commander and selecting COM1

After a few seconds i got this ..

What else is there to check?
At least i’ve still got the Flux Engine!

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