I have an AMD K-62 266, SIS6326,128 MB, FIC 503+, & an Actiontec 56K Call Waiting PCI Modem. I've followed everything I have, but when I try to setserial it gives me an I/O error. I have double & triple check the I/O value 0xd800. Is it me, my hardware or what? I have tried RH 6.1, Caldera 2.3, S.u.S.E. 6.2, Slackware 7, TurboLinux 3.6,Linux Pro. I don't know if I'm an idiot or if this is a difficult question.