Wrote a bit about me hacking an extra 2MB RAM onto a #Psion Series 3mx.

TL;DR: The hardware can see the RAM. A RAM dumping app can see the RAM. The OS couldn't, but now can and doesn't like it. Did I make a mistake? Don't know yet. To be continued.

#retrocomputing

https://oldbytes.space/@thelastpsion/114030256395843629