Atari 8 Bit Diagnostics
An explantation of error codes when using the Atari 8 Bit Diagnostic Roms. Best used with Test dongles for a more complete diagnostic picture.
24 Downloads
Dead Test
The diagnostic cartridge allows testing of Keyboard port, Serial Port, User port, Cassette Port, Joystick ports, AM/PLA/ROMs/Sound/Integrated Circuits.
You will need the testing harness to complete these all of these tests.
213 Downloads
BBC Micro
BBC Model B Computer Fault Notes
258 Downloads
CoCo Diagnostics Cartridge
Instruction for using the CoCo Diagnostics Cartridge with the Dragon 32.
187 Downloads
C128 Instruction & Troubleshooting Manual
This book helps you on how to try to fix you Commodore 128. It gives you many options to try to repair your computer.
260 Downloads