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Re: Wattage in arcade boards
07/30/13 01:38 PM
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> I wrote the values from the manual in the above post:
>
> Power requirements:
> FCC Approved power supply
> +5 VDC | 7 amp
> +12 VDC | 1 amp
>
> I just don't know what the final value is. Do I have to take the higher value as a
> reference (5V * 7amp = 35W)? Or do I need to add both values (5V * 7amp + 12V * 1amp
> = 47W)?
So let's look at this logically:
+5V required for board = 7A
+5V available from supply = 5A
+12V required for board = 1A
+12V available from supply = 2A
So your power supply isn't adequate on the +5V rail. You'll want something that supplies at least 10A at +5V unless you want to risk burning out the power supply, the board, or both.
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