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Any #Atari experts out there know where I can find out the max current draw from the 5V (pin 7) of a 2600 joystick port?

From the schematics it looks like it comes directly off a 7805 and the field service manual BOM lists a 78M05 which I think has a max 500mA with suitable heatsink. But that is powering the whole console...

But so far my searching is failing me with a definitive answer! :)

#Atari2600 #RetroComputing #MakersHelp