https://en.wikipedia.org/wiki/SAPARi
https://community-place.neocities.org/
You will get a glimpse of SAPARi in this video: https://www.audiosciencereview.com/forum/index.php?threads/sonys-3-000-minidisc-pc-from-japan-–-vaio-pcv-mx2.25762/
SAPARi was made possible through work done by Sony...