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MSD Super Disk

MSD Super Disk
The MSD SD-2 dual floppy disk drive
ManufacturerMicro Systems Development
TypeFloppy disk drive
Introductory price$695 (SD-2)[1]
Media5¼" floppy disk SS SD
Operating systemMSD DOS, partially CBM DOS 2.6 compatible.
CPURockwell International 6511Q microcontroller @ 1 MHz
Memory6 kB SRAM (3x 2016), 16kB EPROM (2x 2764)[2][3]
Storage170 kB per disk – TEC brand (model FB-501)[4]
ConnectivityParallel IEEE-488, Commodore serial IEEE-488 bus (IEC Bus)
Backward
compatibility
Commodore 64, C128 Commodore PET/CBM, 4000-series, 8000-series, B128
RelatedCommodore 1541 & 4040

The MSD Super Disk were a series of 5¼-inch floppy disk drives compatible to some degree with the Commodore 1541 disk drive. produced by Micro Systems Development (Dallas, Texas; later MSD Systems) for use with Commodore 8-bit home computers. Two different versions of the MSD Super Disk were available: the single-drive model, SD-1; and the dual-drive model, SD-2.

  1. ^ Cite error: The named reference kevelson198407 was invoked but never defined (see the help page).
  2. ^ "msd/SCHEMATICS".
  3. ^ "cbm/firmware/drives/other/msd/".
  4. ^ "REPAIRS TO THE MSD SD-1 (SINGLE) AND SD-2 (DUAL) DISK DRIVE".

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MSD Super Disk Italian

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