What do the sadmac errors mean?
Source: http://www.nd.edu/~madmacs/sad_mac.html NOTE These apply to real Mac’s, not really applicable to the Lisa. Here only for completeness. The Sad Mac What is the Sad Mac? Usually when one turns on their Macintosh, it smiles at them (Happy Mac). But once in a long while it kind of snarls at you. First, lets explain what happens the moment you flick the switch, or hit the power key inside your Macintosh. Once your Macintosh is brought up to full power the Mac runs what’s called in the computer world a Power On Self Test (POST). Several memory and system diagnostic tests take place. If any one of these test fails, the Sad Macintosh icon appears. The Macintosh SE will have two 8-digit hexadecimal numbers displayed under the icon, remarkably similar to the icon pictured above. How do I make a Sad Mac happy again? Most hardware failures that display a Sad Macintosh error will do so before the floppy drive or hard drive start spinning. If a Sad Macintosh appears after the disk starts spi
