Hello h-a-l 9000, Thx for your hint considering the serial port setting. I had the setting under the section [bios]. At first it did not work, but after rereading I saw the difference in the section name. Serial communication now works fine. nipperds

Hello dvjr, I have tested with the mentioned dosbox cvs release 1 feb 2006. At first it seemed to work okay with this version. However when sharing this with my friend dos4ever. It did not work okay. It seems to make a difference is dosbox is started with numlock on or off. With the NTVDM the …