TRS-80 Diagnostic ROM for Model I trs-80-model-iii Protect your TRS-80 Model I

Protect your TRS-80 Model I (or Expansion Interface) power supply with this durable 3D-printed cover

Bank of shorted resistor footprints allows easy drive select number remapping

25C020 SPI EEPROM

it provides enhanced diagnostic capabilities for efficient troubleshooting

first cut the exposed traces on the top side of the board which short out resistors R1 through R4 (which are not normally installed)

TRS-80 Diagnostic ROM for Model I trs-80-model-iii Protect your TRS-80 Model ITroubleshoot your TRS 80 Model I 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 leftmost ROM of your Model I, it provides enhanced diagnostic capabilities for efficient troubleshooting. (For complete details and installation instructions, please visit the Github repository.) Simplify troubleshooting and