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:

Chessmate for the KIM-1
Since I have a well documented source of the Chessmate ROMs and made a VT100 version of Microchess I made a VT100 versio...

MCS Alpha 1
MCS Alpha 1
The ALPHA-1, made by Berliner Unternehmens MCS ("Micronic Computer Systeme GmbH") is an early computer, pro...

My KIM-1 expansions in Radio Bulletin
KIM-1 expansions in Radio Bulletin"
My KIM-1 system was based upon what we had published in Radio Bulletin. These artic...

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...








