IBM 9331-011 8" External Floppy Drive - eBay 183038271095

Chuck Guzis cclist at
Thu Feb 1 20:04:21 CST 2018

I'll also add the Jonathan (Glitch) has taken over the "what
motherboards can do what with floppies" list.

Interestingly, a lot of later legacy-floppy equipped motherboards do
very well with regards to supporting FM reading/writing--yes, even P4,
AM3+ and other boards. (N.B., I said "later" not "recent" or "bleeding

Much to my surprise, a P3 Intel i820 (that's the one with RDRAM) FIC
board not only handles FM, but 128-byte sector MFM.

P1 and 486 boards with integrated floppy controllers tend to be very
spotty on anything but MFM support.

Check glitch's table--there's an "fdtest" utility that will tell you
what your FDC can do--or not.


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