Mac OS 8.5 Issues on Umax SuperMacs

There are plenty of sites offering installation and troubleshooting advice for Mac OS 8.5 – at least for the Power Mac user. Since neither Apple Computer nor Umax Corporation provides any support for Mac OS 8.5 on SuperMacs, this page exists to cover problems specifically noted by users of the Umax SuperMac series of Macintosh […]

Fixing Sound and Display Problems in the Classic Mac OS

1998 – Go into your Preferences folder and remove Display Preferences and Sound Preferences. One of the problems when Mac system software switched over was that the engineering team at Apple created Monitors & Sound, instead of leaving them separate, when they created Mac OS 7.6. This created two separate versions of preferences files which […]

ISDN

ISDN is a nearly forgotten service provided by the telephone company to provide digital transmission of voice, data, video, and more over a conventional land line. It is faster and more reliable than the 56k modems that have been in use since the late 1990s. [There was a time when we had ISDN service for […]

Macintosh Serial Throughput: Modem Results

1998 – Your results may vary, but this should provide a good starting point for tweaking serial throughput on your Mac setup. Note that FreePPP allows serial port settings of 115.2 kbps and 230.4 kbps, settings not possible with Apple’s serial toolbox routines. This follows up on our earlier article, Macintosh Serial Throughput, providing real […]