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.

Go to previous entry #93   -   Go to next entry #95
Note: This is the 94th entry in the list and not the 94th Apple-1 produced. The Apple-1 does not have a serial number.

'Chaffey College' Apple-1 - number 94 in the Registry

6 pictures published.


2nd batch NTI

Serial number, stamp, label

no number on the back




Existence verified. Known to registry caretaker or expert.


Working condition


Operational Apple-1 “NTI” computer including the original Apple-1 “NTI” board, original Apple Cassette Interface (ACI) "NTI" and original wooden Byte Shop Apple-1 case with Datanetics keyboard and power supply.
This set also includes a period Xerox copy of the Apple-1 Basic Manual and Apple-1 Operations Guide with an original MOS 6502 programming manual, Apple-1 software on cassette tapes, cables and a working video monitor compatible with the Apple-1.


This Apple-1 was obtained by the current owner in 1977 from his electronics professor who taught microprocessors at Chaffey College in Rancho Cucamonga, California. The professor sold the computer to to one of his students for $600 which was used towards the purchase of an Apple II computer.

Sold at auction in November 2021 for US$ 500,000 John Moran Auctioneers. At the internet you may find many times 400K, but it was US$ 400,000 + 25% buyers premium (via liveauctioneers it would have been + 30% = US$ 520,000).


Nov. 2021


White ceramic Synertek CPU C6502 (7643), plastic Synertek PIA SY6520 (7630), 8 KB Mostek MK4096N-11. All chips are date-correct. 6 blue and one yellow caps


Original ACI. Original wooden Byte Shop case with power supply.. Manuals are copies.

Last update

Nov 16, 2021

Change log (since March 20, 2018)

Oct 18, 2021: Newly added to the Apple-1 Registry
Oct 18, 2021: 5 picture(s) added
Oct 18, 2021: Auctions added. Components added
Oct 18, 2021: State (shortlist) added. Components (shortlist) added
Oct 18, 2021: Description of picture(s)/video(s)
Oct 20, 2021: Components. Equipment. History
Oct 20, 2021: Additional information
Nov 01, 2021: Description
Nov 03, 2021: Component detail added
Nov 09, 2021: Auctions. History
Nov 11, 2021: 1 picture added
Nov 11, 2021: History
Nov 11, 2021: Description of picture(s)/video(s)
Nov 16, 2021: Description of picture(s)/video(s)
Nov 16, 2021: Working condition

Change log for all Apple-1.

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