Amiga 600 SD to IDE HDD LED Always on Explanation & Fix
971The first 1000 people who click the link will get 2 free months of Skillshare Premium: https://skl.sh/janbeta0820
Explaining and fixing the issue of the permanently lit HDD LED in my Amiga 600.
After installing an SD to IDE adapter in my Amiga 600, the HDD activity indicator LED stayed on permanently. I investigate the issue and show some possible solutions in this video.
Fix using a resistor: https://forum.amiga.org/index.php?topic=72859.0
Fix using a MOSFET: http://megaburken.net/~patrik/Amiga%20SD%20Adapter%20HD%20LED%20Fix/fix.txt
Picture of the fix: http://megaburken.net/~patrik/Amiga%20SD%20Adapter%20HD%20LED%20Fix/example.jpg
The KA-47 by Rastport: https://rastport.com/products/KA47/
Amiga 600 schematics are available here: https://www.amigawiki.org/doku.php?id=en:service:schematics
74HCT14 Schmitt-Trigger data sheet: https://www.diodes.com/assets/Datasheets/74HCT14.pdf
Buy SD to IDE adapter here*:
US: https://amzn.to/2PkgqU6
UK: https://amzn.to/31iZrXJ
DE: https://amzn.to/3a6EUtH
* Stuff marked with "*" contains affiliate links. You don't pay anything extra and I get a little commission from everything you buy through the links (even if you buy something different there).
This video was sponsored by Skillshare.
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Thanks for watching!
TIME STAMPS:
0:00 Introduction
1:42 Sponsor Message
3:12 Why the Problem appears
6:46 Visualizing the Problem
10:26 Workaround with a Resistor
11:42 Fix with a MOSFET
12:57 KA-47 Solution from Rastport
16:12 How does it work?
21:50 Verifying my explanation with the Oscilloscope
23:23 Thank you and Goodbye
#JanBeta #Amiga600 #Commodore
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