Not loading for me, but here's the archive: https://web.archive.org/web/20250207044221/https://blog.piernov.org/identifying-defective-ram-ic/ https://web.archiv

Not loading for me, but here's the archive: https://web.archive.org/web/20250207044221/https://blog.piernov.org/identifying-defective-ram-ic/ https://web.archive.org/web/20250207044221/https://blog.pier... On 80's arcade games and home computers you can try piggybacking a known working RAM chip onto each of the RAMs for a quick diagnosis, if you're lucky (it doesn't always work).