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

Version

2nd batch NTI

Number / stamps / sticker

Stamp

Location

unknown

Verification

Auction. According to pictures.

Last update

Dec 07, 2018


Website / Pictures

eBay auction with pictures

?Note: In some countries, including those in the European Union, you need permission to use a picture and it is not allowed just to copy and paste whatever you find online. For this reason you find only a link as long as we don't have a written permission.

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 golden capacitors.


Equipment

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 cutted wires at switch board. Added sockets at prototype area. 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.


Change log (since March 20, 2018)

Apr 02, 2018: Newly added to the Apple-1 Registry
Dec 07, 2018: Auctions added




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