Unfortunately I receive the same results... I changed the windows settings to their corresponding onmes and also activated the hardware handshake (which doesbox mentions) but still have no improvement. Attached you'll see the failure counter of the software. Here I'll attach a code snippet where …

Maybe i should also mention about the needed baud-rates: COM1 Baud: 9600 Parity: Mark Databits: 8 Stoppbits 1 COM2 Baud: 28800 Parity: Mark Databits: 8 Stoppbits 1 COM3 Baud: 115200 Parity: None Databits: 8 Stoppbits 1 COM4 Baud: 9600 Parity: None Databits: 8 Stoppbits 1 These values are read out …

and does your old setup give these warnings as well ? Serial4: Desired serial mode not supported (5,7,m,1) The old setup is the System I mentioned above, it is a full PC running MS-DOS as only system on it. The messages you see are created by DOSBox itself. But to answer your question precise: No I …

try plugging it in a different USB controller. Some don't work very well with USB to serial adapters. (at least that is what I think you are using) I already did, I am currently use the one provided by the Intel Chipset provided with the Dell Optiplex PC. Same behavior with "another" USB-RS232 …

Hello, My Name is Sebastian and I am new to this Forum. The Reason I'll write is that I am currently breaking my head about a fact that I am unable to solve on my own.... But lets start with the original setup: Intended by Design there was a i386 PC in my Industrial Machine which communicates via 4 …