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Western Digital FD1771

The FD1771, sometimes WD1771, is a floppy disk controller chip, the first in a line of floppy disk controllers produced by Western Digital. It uses single density FM encoding introduced in the IBM 3740. Later models in the series added support for MFM encoding and increasingly added onboard circuitry that formerly had to be implemented in external…

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Western Digital FD1771

Nodes39
Edges38
Triples0
Avg. degree1.95
Density0.051282
Components1

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density series external added later mfm double data floppy disk chip digital support components encoding models mhz compatible many required

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