Build Your Own SBC6120

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Ethan Dicks' SBC6120All the design files you will need to build your own SBC6120, including the schematics, PC board Gerber images, JEDEC files for programming the three GALs, the HEX files for programming the two EPROMs, and a complete reference manual, the SBC6120 User's Guide, are available at no charge from the Spare Time Gizmos Downloads page.

SBC6120 silk screenIf you need help obtaining specialized parts such as PC boards, HD6120 CPU chips, programmed GALs or EPROMs, then check the Spare Time Gizmos Orders page for a list of what's currently available.

Spare Time Gizmos cannot promise to provide support for the SBC6120, however if you are a hobbyist building one for personal use and need help, then write to us and we'll do what we can. If your organization would like to put the SBC6120 to use in a commercial application, then Spare Time Gizmos would be happy to enter into a consulting contract with you. Please write to us with your needs.

Licensing

All SBC6120 files are Copyright (C) 2001-2003 by Spare Time Gizmos.

Steve Loboyko's SBC6120All SBC6120 documentation files including, but not limited to, schematics, Gerber files, and the SBC6120 User's Guide, are covered under the terms of the GNU Free Documentation License. Permission is granted to copy, distribute and/or modify these files under the terms of the GNU Free Documentation License, Version 1.1 published by the Free Software Foundation; with no invariant sections; with the front cover text "Portions Copyright (C) 2001-2003 by Spare Time Gizmos" and our URL, and with no back cover text.

All SBC6120 software and firmware including, but not limited to, BTS6120, PALX, GAL programming, and the VM01/ID01 handlers, are covered under under the terms of the GNU General Public License. Permission is granted to copy, distribute and/or modify these files under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.

In general, these licenses will allow you to use the SBC6120 design for any purpose you choose, including to create derivative works of your own. However if you choose to distribute the SBC6120 design or a derivative, then you must make your distribution, including source files, free to anyone.  Refer to the GPL FAQ for more information.

Resources

Bill Buzbee's SBC6120The most valuable resource available to SBC6120 builders is our Yahoo! mailing list, where you can meet other people who have built a SBC6120 and many of whom have had the same problems you do! To join the list, just click on the "Join Yahoo! Group" icon at the bottom of this page.

Other SBC6120 resources are

bulletOur list of SBC6120 Parts and Kits for sale.
bulletOur Downloads page, where you can obtain the SBC6120 design files and User's Manual.
bulletOur WinEight emulator, which you can use to develop boot images for the SBC6120.
bulletDatasheets for all the Intersil/Harris 12 bit microprocessor parts including the 6100, 6101, 6102, 6103, 6120 and 6121.
bulletJim Kearney's bootable OS/8 IDE image in binary for WinEight and in the SBC6120 Download format.
bulletJim Kearney's archive of OS/8 games in binary for WinEight and in the SBC6120 Download format.
bulletJim Kearney's instructions on building an OS/8 system for the SBC6120.
bulletThe classic Adventure game for the PDP-8 and OS-8.

Here are links to some PDP-8 languages and interpreters which may or may not run on the SBC6120 - please let us know if you get one of them working!

bullet University of Minnesota Pascal-OS/8
bulletPascal-S from ETH Zurich
bulletRogAlgol
bulletLisp (DECUS 8-102A)

Jim Kearney's SBC6120Several of the builders have set up web pages with pictures of their units and accounts of their own experiences; here's just a few:

Jim Kearney's SBC6120 with an elegant "minimalist" enclosure
Jim Kearney's SBC6120 with a CompactFlash card installed
Bill Buzbee's battery powered portable (!!) SBC6120
Steve Loboyko's wire wrapped SBC6120 clone
Ethan Dicks' SBC6120 in a case

If you've built an SBC6120 and would like it linked here, send me an email and I'll be happy to do it.
 

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