aek at bitsavers.org
Fri Jun 5 08:50:21 CDT 2009
Eric Smith wrote:
> Memorex introduced the first commercially-sold 8" read/write floppy
> drive, the 650, and later a 651 with faster seek times. These were
> hard-sectored and had the sector/index hole near the outer edge, and
> spun at 375 RPM. I don't know whether the diskettes used by the Memorex
> 65x drives were interchangeable with Minnow disks, but my box of Memorex
> disks were presumably for the Memorex 65x drive. I've heard that the
> 65x drive was used in some early word processing systems.
They were also sold by AED in the 2500 floppy disc subsystem.
Burroughs also used this style floppy. There is a notch in the outer case
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