Raymond Check discusses MS DOS Floppy Disk Cache

Chuck Guzis cclist at sydex.com
Tue Sep 24 18:34:10 CDT 2019

On 9/24/19 4:13 PM, Fred Cisin via cctalk wrote:

> COULD somebody go from write protected 8" or non-write-protected 5.25"
> (did you sense door open?) to disk out of drive in under 250ms, and then
> lso go from door open, no disk to non-write protected disk in drive
> (door still open?) in under another 250ms?   I can't.  But if somebody
> could, then you just need to change that user's settings to about 100ms.

It's impossible to flip open a drive and change floppies in less than a
couple of seconds.   We tried.   The drives were MIcropolis and MPI drives.


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