TRS-80 Diagnostic ROM for Model III

Troubleshoot your TRS-80 Model III with ease using this pre-programmed diagnostic ROM!

This 2716 EPROM chip is pre-burned with the helpful "TRS-80 Diagnostic ROM" created by Github user MisterBlack1. Designed for installation in the U104 location of your Model III, it provides enhanced diagnostic capabilities for efficient troubleshooting. (For complete details and installation instructions, please visit the Github repository.)

Simplify troubleshooting and get your TRS-80 Model III running smoothly! Order your pre-programmed diagnostic ROM today.