Commodore "Super PET" Restoration (Part 3)

Part 3 of 3. Test, Repair and Demo of the 6809 side.
Finishing up the last few repairs and demoing the working SuperPET

Links
SuperPET "hello world" in all programming languages
   • Hello World in every programming language ...  
  / 1382125548185513988  
SuperPET OS/9 MMU: https://store.go4retro.com/superpet-o...
Mike Naberezny's page http://mikenaberezny.com/hardware/sup...
SuperPET Basic Banked RAM Test by Mike Naberezny
https://drive.google.com/drive/folder...
More information about the Super PET
http://seefigure1.com/2013/12/07/supe...
http://www.6502.org/users/andre/petin...
http://zimmers.net/cbmpics/csp9000.html
https://www.vintagecomputer.net/brows...

Restoration Process Photos https://photos.app.goo.gl/yNoMKGcVotW...
My Twitter:   / hutchca  
My Blog: https://blog.hutchins1.net/

Index
00:00 Intro & recap
01:20 System RAM failure and testing
04:50 Identifying and replacing the faulty dRAM chip
07:02 Expansion RAM diagnostics
08:30 Incorrectly identifying the faulty expansion dRAM chips
09:46 Correctly identifying the faulty expansion dRAM chips
11:14 Additional diagnostics
11:57 Repairing the option ROM socket towers
18:06 Explaining the side switches
18:57 SuperPET Demo
19:39 Waterloo menu and languages demo
22:52 OS/9 Demo
25:11 Outro