What does IIgs Diagnostic Self-Test Error Code ___ mean?
IIgs Diagnostic Self-Test Error Codes By: a list by Jeff Tarr, Jr., Apple IIgs Technical Reference by M. Fischer, and IIgs TechNote #095 by Dan Strnad The IIgs self-test is activated by pressing Open-Apple and Option on power up, or Open-Apple, Option, and Reset. During the test, the test number (in hexadecimal) is visible on the bottom of the screen followed by six zeros. After all tests are complete, a continuous 6 KHz one-second beep sounds and the screen displays a System Good message. If a test fails, the screen immediately displays a message “System Bad: ” followed by an eight-digit code (in hexadecimal) on the lower left hand side. The code is also displayed staggered in the upper left hand area to help you read it in the event of a display RAM failure. In case there is a video failure, the code is also sent to the printer port. Example 1: You get the message “System Bad: 05020000” This indicates failure of Test #05, the Fast Processor Interface Speed Test. The “02” says that th
