Disclosure: Note that as an eBay Partner Network Affiliate, I may earn from qualifying purchases. Introduction I purchased this nice 250407 Revision C motherboard as part of a lot of boards. It was missing the PLA (U17) and the VIC-II video chip (U19) as shown below. A new GAL-PLA (e.g.
Read postReplace a Faulty PLA Chip in a Commodore 64 8-Bit Computer with a PLA20V8 (15-30 mins)
Task: Replace a Faulty PLA Chip in a Commodore 64 with a PLA20V8 Needed: PLA20V8 Time: 15-30 minutes Introduction The Programmable Logic Array or PLA is key to managing the chips using the data bus in the Commodore 64. Unfortunately, the MOS-branded PLAs are prone to failure. The good news
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