FDC37C78 Floppy Disk Controller utilizes SMSC's proven SuperCell
technology for increased product reliability and functionality. Optimized
for motherboard applications.
Its true CMOS 765B core provides 100% compatibility with
IBM PC/XTTM and PC/ATTM architectures in
addition to providing data overflow and underflow protection. Sophisticated power control circuitry (PCC)
incorporated for multiple low power down modes support and Software
Configurable Logic (SCL) incorporated by the FDC37C669 Floppy Disk
Controller for ease of use, which doesn’t require any external
filter components. Software and register compatible with SMSC's
proprietary 82077AA core.