Tandy / Radio Shack TRS-80 Model 4 / 4P Power Supply Cap Kit - ASTEC AA12090 / AA12350 drives Front Panel:

Front Panel:

SST28SF040A

this board adds support for two external floppy drives (which previously only supported two internal drives)

MX25L3206EPI

PIC18F258*DIP28

Tandy / Radio Shack TRS-80 Model 4 / 4P Power Supply Cap Kit - ASTEC AA12090 / AA12350 drives Front Panel:Ensure the longevity and reliability of your TRS 80 Model 4 4P with this capacitor refresh kit! This kit includes all the necessary components to replace the electrolytic capacitors in your TRS 80 Model 4P, including high quality film replacements for the critical X class RIFA capacitors. This comprehensive upgrade will significantly improve the stability and lifespan of your system. Prevent future failures and keep your TRS 80 Model 4 4P running