Monotech CPU Replacement


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Product Overview

Replace those increasing rare and expensive MOS 6510 or 8500 CPUs, with a widely available 6502 Chip

This device uses a standard 6502 CPU which are abundant and relatively cheap, and produced by many manufacturers like Rockwell, UMC, Synertek and MOS, etc

The additional functions required to make the 6502 behave like a 6510 or 8500 have been integrated onto the module with discrete logic chips.

This module has been fully assembled and extensively tested to work with an EVO64 (or any other C64 or clone)

Please note: This module does NOT ship with a 6502 CPU. You must supply your own!


Designed by Monotech Vintage PCs



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  • 5
    Works Exactly as Advertized

    Posted by James Tyree on Jun 23rd 2023

    I had an 8500 from a C64C go bad on me, and rather than pay, at least twice as much for replacement 8500 processor on eBay, I thought I'd try the Monotech CPU replacement. I have several 6502s from 1541 drives with bad D500 coils. The computer booted perfectly the first time it was powered up. Amazing device and I'm so happy there is a modern reliable solution to getting the computers back up and working!