More than two floppy drives?

Did you know PCs started out supporting 4 Floppy drives? And added an option for 8! But, it's almost never used.
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I found the history and technical side of four floppy drives to be far more interesting and frustrating than I expected.There's even more to this story that I left out because it was beating a dead horse but all computers with floppy drives should have supported more but just didn't.

More info on using a secondary controller: https://www.seasip.info/VintagePC/floppies.html
XT-FDC: https://www.retrobrewcomputers.org/doku.php?id=boards:isa:xt-fdc:start
Sergey's FDC: http://www.malinov.com/Home/sergeys-projects/isa-fdc-and-uart
Playlists of more stuff like this:
1980s: https://www.youtube.com/playlist?list=PLJVwF78cppBgCQCjbuyVorx-YC_HmxX4r

Видео More than two floppy drives? канала Tech Tangents