An 8-bit floppy controller that has:
* hardware that supports 1.2M drives; and
* its own BIOS, a BIOS that supports 1.2M drives.
The one pictured below supports four drives, via its own BIOS, in any combination of 360K/1.2M/720K/1.44M
Click on photo for more details
( BTW. In relation to 1.44M drives, if your IBM 5160 has one of the 1986 dated revisions of motherboard BIOS, then be aware of the possible 1.44M booting problem described at here. )