one of the custom IBM gate array chips is broken, so I didn't feel too bad about removing every single last chip
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one of the custom IBM gate array chips is broken, so I didn't feel too bad about removing every single last chip 8 comments
so it's not something you can really clone unless you have the IBM custom chips, but here's the schematic and board layout: https://github.com/schlae/EGACard Creative Commons license as usual. |
(original Twitter thread about the repair https://twitter.com/TubeTimeUS/status/1400990452233342976)