As there is an issue with option ROMs loading on the PS/1 2121, I was able to get it to work by setting the BIOS address to C800, and setting PREBOOT in the config.txt configuration file. After enabling the Disk BIOS, I am able to use the PicoMEM on this machine now.
FreddyVRetro
commented
1 month ago
Hello,
As there is an issue with option ROMs loading on the PS/1 2121, I was able to get it to work by setting the BIOS address to C800, and setting PREBOOT in the config.txt configuration file. After enabling the Disk BIOS, I am able to use the PicoMEM on this machine now.