#313 Intel 8080 SBC 80/20 Single Board Computer Russian 8224

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episode 313
Installing a replacement 8224 clock chip
  1. IMSAI Guy
  2. s100
  3. s-100
  4. cpm
  5. cp/m
  6. cpm80
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and its working again! great job! cant wait to see it with working
serial port

leonardoelias
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This was an interesting video, as I was working on a Hazeltine 1500 video terminal. While connecting my OScope up to pin 10 and 11, I must have shorted something out.
Now it appears that my 18.0000MHz crystal in not working, and probably the 8224 as well. The 18MHz crystal was hard to find, and the 8224's are even harder to find.
Although I do see a lot of the Russian made 8224s out there. Perhaps I could purchase one or two of those from you?
I was wondering where you actually had your probes connected? As your video shows you pointing to the 8224 and then pans up to the LogicDart, which appears to be connected
somewhere further down on the board.

jeffnay