Replacing a 2364 mask ROM from a vintage floppy disk drive with a 2764 EPROM

I purchased a set of these PCBs so I could fit a 2764 EPROM in place of a 2364 mask ROM in my Commodore 2031-LP 5.25" FDD, which was in need of repair. The quality of the PCB design was excellent - they are a good size, very sturdy, and work perfectly. The necessary components are readily available and quite cheap to buy, meaning that adapters are very affordable. The quality of PCBWay's service was excellent: the shared projects page is a incredibly useful tool; the general website is very easy to use and order from; the order approval process was very quick and went without issue; the manufacturing process screen is very useful and interesting to follow; the boards were shipped quickly, and arrived quickly and safely without any issues or import duties to be paid; the boards are of a very high quality, and are both as described and perfect for my purposes. My blog post about this project on PCBWay can be found here: https://www.pcbway.com/blog/Engineering_Technical/Repairing_a_1983_Commodore_2031_LP_5_25_FDD_using_23XX_to_27XX_EPROM_adapters_f_83ef8d2e.html My blog post about this project on my own website can be found here: https://retrorepairsandrefurbs.com/2022/05/22/1983-commodore-2031-lp-5-25-fdd-repair-restoration/





May 23,2022
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