Talk:Power Supply Connector

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Moving the article[edit]

Power supply (unit) is more common for the hardware that is plugged into the C64 to get the power. This article is about the connector in the C64, so I moved the article to a more precise title and to avoid further confusion. --Camailleon 21:08, 19 May 2010 (CEST)


Please tell me what happens if you power a C64 with 5 VDC only, without applying 9 VAC? I recently did just that, and the machine started normally. The RF modulator does not work, as well as sound. But when connected via AV out, it is possible to use Basic as usual. My question is the following. Will prolonged usage of a C64 without 9 VAC cause any damage to it? - IP, 22 January 2011,06:37

Hello IP,
I posted your question in the English Forum of the Wiki see here. --Camailleon 18:05, 22 January 2011 (CET)

Power Supply Connector[edit]

Something that I found on my early REV A board is that the 9VAC pins are 6 and 7, the +5VDC is pin 4 as shown, but the -5VDC is connected to the shield (outer ring). Not sure when this changed but something to be aware of.

topher010366 Aug 2019