Hi Gerard, Com numbers are just references to the physical addresses. com 1 = 03f8 com 2 = 02f8 com 3 = 03e8 com 4 = 02e8 If your ports are not jumpered, you can simply change the port address from 02e8 to 02f8, then it will become com 2. Hope this helps, Jim Killmaster Gerard Stevenson wrote: > > I have seen this accomplished (I THINK??) in the past with a different > machine but, I seek some assistance on how can I change the Serial Comm ports > designator? I am not sure of the main board but, it does have an up-to-date > version of Award BIOS. In Device Manager (Win 95A), I show two serial comm > ports....Comm 1 & Comm 4. I want to change the 4 to a 2. Can anyone advise > me????? > > Thanks, > > Gerard F. Stevenson > Gatoruf007@aol > > Curious about the people moderating your > messages? Visit our staff web site: > http://nospin.com/pc/staff.html PCBUILD only works if you contribute. Send your messages to be posted to: [log in to unmask]