Re: Good source for "new" 5.25 and 3.5 inch floppy disks?

[glen herrmannsfeldt <gah@ugcs.caltech.edu>]

Michael J. Mahon wrote:

(snip)

> If you're not sure, and you care about the permanence of your data,
> HD media in DD 3.5" drives should be avoided.

As far as I understand it, it either will or won't write.
There is a very small probability of a partial write,
somewhat similar to a coin flip landing on the side.

> As noted before, a DD 5.25" drive will *not* reliably write HD media.

With a factor of two in coercivity for 5.25in it is pretty much
zero chance.  Note that core memory depends on half the current not
writing a bit for every write or read cycle.

-- glen