Thanks for the help but could you be a little more specific about the file you're talking about? I'm not sure which one you mean in the other thread. LB

Hello all, Trying to get dos box to use my serial ports but it's not working so well. I did read the tutorial on how to use your modem and serial ports. It got me pointed in the right direction but I could still use some advice. In the config file I have: serial1=directserial realport:com1 startbps: …