MROM64C PCB assembly instructions

1. Solder all top-side chips (U2, U3, U4) and capacitors (C2, C3, C4).



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2. Solder the capacitor (C1) and pull-up resistors (R1 - R7) on the underside.



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3. Break apart some single-row round pin headers. One length of 2 pins and two lengths of 14 pins are needed.



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4. Cut down the bottom right corner pin's solder joint, as it may collide with the DIP socket



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5. Install the DIP socket



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6. Install the pin headers



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7. It is complete. Installed a programmed 010 ROM into the socket and install in a C64.

Page created: 27FEB2026
Last modified: 27FEB2026