The Apple-1 Registry

List of all original Apple-1. If you are a first time visitor and not familiar with iconic Apple-1 computers, please read all the information first.

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'Ohio' Apple-1 - number 76 in the Registry

10 pictures published.

Version

2nd batch NTI

Handwritten number, stamp, label

Stamp, no number on the back

Location

unknown

Verification

Auction. According to pictures.

Website(s)

eBay auction is no longer available at ebay.com


Description

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


History

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.


Auctioned

June 2016


Components

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


Equipment

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


State

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.


Remarks

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


Last update

Jan 23, 2020


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)


Change log for all Apple-1.


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