UM8272A-4 controller equivalent, floppy disk controller.
* IBM Compatible in Both Single and Double Density Recording Formats
* Programmable Data Record Lengths: 128, 256, 512, or 1024 Bytes/Sector
* Multi-Sector a.
The UM8272A is an LSI Floppy DIsk Controller (FDC) Chip, which contains the circuitry and control functions for interfacing a processor to 4 Floppy Disk Drives, It is
capable of supporting either IBM 3740 single density
format (F rvi), or IBM Syste.
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