Huh? Printers use parallel ports... -----Original Message----- From: Open discussion of TI Graphing Calculators [mailto:CALC-TI@LISTS.PPP.TI.COM]On Behalf Of Jason Eppink Sent: Friday, September 25, 1998 5:03 PM To: CALC-TI@LISTS.PPP.TI.COM Subject: Re: Graph-link My only serial port is being used by my printer. You have to understand, I have a 486 from about 5 years ago.