Re: [tlug] DD floppies

["Walter Hansen" <gandalf@example.com>]

I think that is right. DD Double Density. HD High Density. I remember in
the old Apple ][ days they used to sell one sided disks that were
certified for Apple and Comadore. The thing was Apples used the underside
of the disks and Comadores used the top side. We used to notch them with
hole punches and use the other side.

> Jim wrote:
>
>>Brett Robson <b-robson@example.com> wrote:
>>
>>
>>
>>>2DD
>>>
>>>
>>
>>What does the "2" in "2DD" mean?
>>
>
> Two sided I think.  Some of the really old floppies only used one
> side... I think.  But whether it's one sided or two doesn't matter if
> the disk is two-sided (as all HD disks are).  Either it uses both sides
> or it doesn't - both are there, so.....
>
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