In 2018 Bram Prosman started with his Junior Computer Revival.
His story and the source of documents and image on his website, check there for updated files
I copied over here his 2.0, 2.1 and 2.2 designs of the basic Junior.
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Memory map Junior Computer |
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1980 04 72 Junior Monitor |
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Junior Computer Monitor Listing |
Junior Computer Monitor Original TASM source
TASM_32 for Windows 10, 64 bit
Version 2.0
Built and tested. Note the design flaws in Version 2.0, read this first!
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Junior Computer Schematics V2.00 |
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Junior Computer PCB BOTTOM V2.00 |
| Junior Computer PCB BOTTOM V2.00 Gerbers |
DISCLAIMER – Please note Bram has not tested yet the V2_1 and V2_2 PCB’s!
Version 2.1 and 2.2
Built and tested. Note the design flaws in Version 2.0, read this first!
Version 2.x added support for smaller push buttons instead of the rare and expensive original used Digitasten.
See also:
Teach KIM to Sing
A program to let the KIM-1 play music. Store notes and its pitch in memory and listen to it.
Published in the Byte Bo...
Radio Bulletin articles in English
A collection of articles about the KIM-1, original in Dutch, here translated to English and with source and binary of th...
Replica 1 TE PAL version
User ExPLIT on the German forum Verein zum Erhalt klassischer Computer e.V.
has build an Apple 1 Replica 1 TE from th...
Jolt with 4K and power supply
With thanks to Jonathan Chapman of Glitchworks who found a Jolt system, here images of a Jolt with 4K memory, an experim...








