Thread: Zx81
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Old 15th Mar 2020, 6:22 pm   #75
SiriusHardware
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Join Date: Aug 2011
Location: Newcastle, Tyne and Wear, UK.
Posts: 7,527
Default Re: Zx81

Just hauled out my original ZX81 'Ski Jump' power supply and yes, Julie is right, tip positive on the ZX81, not tip negative as per my (obviously faulty) memory.
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