The Apple-1 Registry

List of all original Apple-1. If you are a first time visitor and not familiar with iconic Apple-1 computer please read first all information.
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'Duston 1' Apple-1 - number 45 in the Registry


2nd batch NTI




Existence confirmed. Known to registry caretaker or expert. According to pictures.

Last update

Nov 18, 2018


White 6502 and plastic film decoupling caps.
77 stamped on back.
Blue (replacement?) keyboard connector.
Added RCA video connector.


Adam Duston bought this computer and #23 in the Apple-1 Registry at the Byte Shop in 1976.
Puchased from Adam Duston August 1996 by David Larsen.


White ceramic MOS MCS 6502 CPU, plastic AMI S6820 PIA, 8 KB plastic DRAM. 5 small golden capacitors, 2 blue big capacitors. 1 silver capacitor (not original).


Video RCA connector added (the same modification is found at number 23 in the Registy). One big blue capacitor changed to silver capacitor. On some pictures the silver capacitor is blue. It was modified at some point.Blue keyboard connector.


David Larsen presenting this Apple-1

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Change log (since March 20, 2018)

Nov 14, 2018: 1 video(s) deleted
Nov 14, 2018: Description of picture(s)/video(s)
Nov 14, 2018: 8 picture(s) added
Nov 14, 2018: Components
Nov 18, 2018: History

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