[rescue] cd-rom rot

Robert Toegel rjtoegel at gmail.com
Sat Feb 22 11:23:51 CST 2020

Well, the only reason I mentioned it was that I once read that when they
upgraded Hubble, the computer was upgraded to a 486 and we were beyond that
on Earth.  The story was that the more modern chips were much denser so a
cosmic rays striking a newer chip would more likely change something than
would happen in a 486.  Just wondered if the same logic applied to floppies
all else being the same (not cosmic rays but just random noise or loss of


On Sat, Feb 22, 2020, 11:57 Jonathan Patschke <jp at celestrion.net> wrote:

> On Fri, 21 Feb 2020, Robert Toegel wrote:
> > Hmmm...were the older ones not as dense (single density as opposed to
> > double density)?  Just musing about what could be the difference that
> makes
> > the older ones seem to last longer.
> That's probably a big part of why the 360k floppies have great longevity,
> but my observation was chiefly about 1440k HD diskettes.
> Something in the manufacturing process must've gotten "cost optimized" as
> people shifted from using diskettes for working document storage to using
> them almost exclusively for software distribution.
> --
> Jonathan Patschke   |   "The more you mess with it, the more you're
> Austin, TX          |    going to *have* to mess with it."
> USA                 |                            --Gearhead Proverb
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