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Screen on fan to protect cables and fingers
5V PSU into the barrel jack and a pair of AMS1117 5V VRM's will split the power load between slots 1/2 and 3/4
delaminating 8 pin FFC
The ultimate in double
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TRS-80 Diagnostic ROM for Model 4/4P computer-repair-rack Screen on fan to protectGet the most out of your TRS 80 Model 4 4P with this essential diagnostic ROM! This TMS 2532A EPROM chip is pre burned with the popular "TRS 80 Diagnostic ROM" from Github user MisterBlack1. It's designed to be installed in the boot ROM position of your TRS 80 Model 4 or 4P, providing valuable diagnostic capabilities. (For detailed information and installation instructions, please refer to the Github repository.) Improve your troubleshooting
