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Replacement for the 342-0055 at F9 – Address State Machine
They don’t fail often, but when they do – man are you in trouble. Until now.
The JCM Apple /// Bipolar ROM replacement series allows you to replace any of these ROM Chips.
10 in stock
— OR —
Each JCM Apple /// Bipolar ROM replacement contains a surface mount 28C64-like EEPROM chip, a carrier PCB to adapt the pinouts, and surface mount pins to allow you to plug the replacement directly into your Apple ///.