I have to keep on running an old MS-DOS application (build with TurboPascal 7.0 and RTKernel4.0).
I can configure and connect the COM1 and LPT1 ports.
Everything seems working fine, including the communication (between PC and PLC using RS232) and the printing.
But after some time the communication stops.
In the logfile the message "serial0 overrun" appears repeatively.
Who can help me out ??
Hendri Salomons.