I'm using a Gateway 650,windows 98 2nd ed,rs-232c ,TS-570D,tried 4800 baud on both and 9600 on both.I'm also using Prolog 2K logging program and the rig control is working fine.Comm port 1 seems to be LPT-1 for the printer,Prolog appears to be on Comm port 2.Any help would be greatly appreciated. Larry-WA2BMH Tnx!