not sure if there was a pre-modified BIOS but I used this guide
https://flecom.net/yahoo-groups/RuGRiD-Laptop/files/25_Grid1520files/12_hdBios.txt
to put a different conner in my GRiD back in the day
to boot from floppy you just have to press the F key after you hear the boot beep (after it's...
stupid question but would these drop in a gridcase with a red plasma? I have one with several lines out and didn't even know these displays were still available