Page on building now an Elektor Junior.
Two designs complete with PCB design (Bram Prosman), reports of a complete build ( Philippe Roehr, Philippe Roca).
About small SBC systems
Page on building now an Elektor Junior.
Two designs complete with PCB design (Bram Prosman), reports of a complete build ( Philippe Roehr, Philippe Roca).
Thanks to John at 6502.org the scan of this book is available, now stored on archive.org due to size.
See also the Lab-Volt page
![]() |
The description of the trainer is in the book Microprocessor Concepts and Applications Publisher: Lab-Volt Download here for archive.org |
He added KB9 Basic and OS65Dv3.3 software, described how to here.
Thanks to Larry:
New SYM-1 document: KIM/SYM : First Book of KIM appendix

A program, SerialTester, a guide and test results.

Found some photos of OSI 300 trainers, some youtube videos, circuit diagram and component layout.
Dave Williams designed, builds and sells on ebay MOS KIM-1 Reproduction boards. A real KIM-1 clone!


A program to convert between hex or binary files for 8 bit systems with a 64K address space.
V2 adds the Wozmon Apple 1 format and allow multipart Intel Hex, MOS Papertape and Motorola S records.

New ICs bought recently:
6501AQ, W65C22S, W65C22N in the 65XX IC collection.
Programming a Microcomputer 6502, by Caxton C. Forster, scanned and added to the KIM-1 Articles and Books page for download.
Enjoy!