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Modifications were performed on the board by the original owner (presumably for additional memory), involving cutting traces and running wires.Stamp on the back.


Bought probably 1977 and kept for over 39 years in Dayton, Ohio, USA.
Sold 2016 at eBay auction for only US$ 60,300. Low price due to condition of the auction.


June 2016


White ceramic Synertek SY6502 CPU (7702), white ceramic MOS MCS 6520 PIA (0722), 8 KB plastic DRAM. 5 blue and 3 yellow capacitors.


Original Apple Cassette Interface (NTI). Original Operation Manual, original Preliminary BASIC Manual. Apple-1 ad.


Board has been physically modified - traces have been cut and jumper wires run up to the breadboard area. Added and cut wires at switch board. Added sockets at breadboard. Added wires on the back.
CPU and PIA from 77, so changed or added later. Somy chips like four 74S257 added 1993. Hole drilled at voltage regulator.


The low price may be due to the circumstances of the auction.

Last update

Nov 16, 2021

Change log (since March 20, 2018)

Apr 02, 2018: Newly added to the Apple-1 Registry
Dec 07, 2018: Auctions added
Jun 17, 2019: 10 picture(s) added
Jan 23, 2020: Website(s)
Nov 16, 2021: Labels / stamps added

Change log for all Apple-1.

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