Thank you for quick respond, I'm not just following you - pls take my excuse :confused: . Did I understand you correctly -there is still possibility increase EMS (in my ThinkPad machine) by using some settings? All what I know is following - all attempts to get that full functional DOS application …

Hi everyone, I have communication problem with running old DOS based software for PLC (PSR,FUPLA if someone familiar to..) in DOSBOX. Original software works under WIN XP without any problems with communication even my laptop doesn't have real comport (I'm using PCMCI RS232 converter with attached …

Hi, I'm experiencing problems with make serial ports working in DOSbox despite of trying a lot of things which I've found from other threads (from h-a-l and others...thanks them all a lot) But still can't make my application communicate through COM port. The last chance as those guys mentioned is to …