The KIM-1 computer Resurrection. Testing The Ram. (The Good, The Bad And The Ugly)

The supercomputer is hooked up to a ROM and RAM board to run test code to check the RAM for faults. .................................................................................................................................................................. https://drive.google.com/drive/folder... ______________Chapters___________ 00:00 Intro 00:09 This Episode 00:49 The Test Code 04:00 The EPROM 05:00 Erasure 05:43 Program The EPROM 06:46 Run The Test 08:00 Analyse The Results 15:07 Circuit Diagram 16:00 Scope View 18:20 D5 Good Trace 19:10 D6 Bad Trace 19:30 D7 Ugly Trace 21:30 Buffered Output 22:40 Timing Of R/W 24:22 Oscillations And Blips 26:30 Bad Manual 27:15 Buffer Chip 27:40 Test RRIOT RAM 28:00 Test Results 31:45 2nd RRIOT 34:00 What next Dont forget to visit    / @letsbuildatransistorcomputer   for his design. http://www.tcuts.co.uk