Archive for the 'Inbuilt Diagnostic Routines' Category

A2 Diagnostic

Sunday, September 9th, 2018

Apple Internal Diagnostic Routines Apple IIgs The Apple IIgs has a fairly extensive inbuilt diagnostic program that is easily accessed at power up by holding the Open-Apple & Option keys when turning on the power, or at any time when pressing Control – Open-Apple – Option – Reset. #Name$Location 1 ROM Checksum $FF/7CAE 2 RAM […]