In more modern systems, the FDC, if present at all, is typically part of the many functions provided by a single super I/O chip. In these systems, the controller also often combined a microcontroller to handle data transfer over standardized connectors like SCSI and IDE that could be used with any computer. I tried al the variants that can be found on. I only have a windows xp machine with a usb floppydrive. Later designs included more of this functionality on the controller and reduced the complexity of the external circuitry single-chip solutions were common by the later 1980s.īy the 1990s, the floppy disk was increasingly giving way to hard drives, which required similar controllers. 1 Hello, Id like to format a DSDD floppy to make it bootable for an IBM 5150. 3.5' 1.44 MB IBM DS/HD MF2-HD 'HIGH DENSITY' NEW DISKS VARIOUS COLORS AND BRANDS 3.5' RECYCLED 720K IBM FORMAT DS/DD MF2-DD 'LOW DENSITY' 'DOUBLE DENSITY' 3.5' MacIntosh 1. Early controllers required additional circuitry to perform specific tasks like providing clock signals and setting various options. 10 Disks For 10 3.5 inch disks - 10 Disks for 10 Need just a few disks You can order 10 disks for 10. The NEC D765AC FDC IC is the large dual in-line package at the top.ĭepending on the platform, data transfers between the controller and host computer would be controlled by the computer's own microprocessor, or an inexpensive dedicated microprocessor like the MOS 6507 or Zilog Z80. Circuitry that controls reading from and writing to a computer's floppy disk driveįDC board from an IBM 5150.
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