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cmorley · 23 April 2019, 09:27

JP9 on the 8A board (near Gary) determines if it uses on board RTC or trapdoor RTC.

This is part of the Commodore "sell the same PCB as A500 or A500+" options.

Google "amiga 500+ JP9" or look at the schematic.

23 April 2019, 09:27	#3
cmorley Registered User Join Date: Jun 2018 Location: Oxford, UK Posts: 66	JP9 on the 8A board (near Gary) determines if it uses on board RTC or trapdoor RTC. This is part of the Commodore "sell the same PCB as A500 or A500+" options. Google "amiga 500+ JP9" or look at the schematic.