The last version of Mac OS X I used with a modem was 10.2.8 I believe, and Apple's internal modem was still not usable on iMacs or Power Macs. Does anyone know if 10.3 has full modem support yet? Under 10.2.8 and below the modem would frequently disconnect at random times, or get stuck while dialing and require a paperclip reset. The only solution is to boot into 9.2.2 to use the Internet. I cannot recommend a Mac to anyone if it is not compatible with dial-up Internet.