Serial link between MSDos and Linux troubles

Last Updated or created 2022-12-28

In post https://www.henriaanstoot.nl/2022/11/25/disk-troubles-or-missing-old-skool-hardware/ 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 https://en.wikipedia.org/wiki/Null_modem

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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