Untitled attachment https://digipres.club/system/media_attachments/files/111/933/177/834/317/585/original/117a3aefc635790f.png
And at U15 and U16 are these weird Avasem/Wyse 192017-02 chips. I think I think these are custom 2 kilobyte RAM chips? I don't know why they'd be custom. That's especially bad because I think these are what broke.