906114-01 PLA - Programmable Logic Array, Custom IC, DIP Packaging, NEW OLD STOCK programmed IC.
For Commodore 64 systems
If bad, symptoms are: Blank screen, no border. It can produce colored screen or flashing color garbage instead of startup screen. It can cause intermittant loss of cursor, screen freeze and/or program crashes after warmup and it can put random characters on screen. This chip normally runs hot! It is the most common chip to fail in the C64.
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