>I have an Power Mac 7200/90 and until now, have been successfully reading
>and copying files from Mac double-density disks to the hard drive for
>archives purposes. I am suddenly unable to copy files from a batch (6) of
>double-density disks. I am able to load the disk and read the contents of
>the files, but when I try to copy them to the desktop or a hard drive
>folder, the computer crashes. The has happened repeatedly and I cannot
>figure out how to proceed. The disks are Sony Micro Floppydisk Double Sided
>and the files have Last Modified dates from 1989-1990.
>
>Does anyone have any suggestions for me? I don't have access to any other
>working Macs with drives capable of reading double density disks.
>
>Kevin L. Glick
>Electronic Records Archivist
>Yale University
>[EMAIL PROTECTED]
>(203) 432-2202
>
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Kevin,
You do not say what OS you are using . I just opened a 720k DOS
formatted DD disk in 8.6 and successfully copied to the desktop so I feel
your problem is not one of OS incapacity. At least as far as OS 8.6 goes.
This phenomenon may be deterioration of the data medium. If
perchance the
disk was formatted in a high density drive at a higher energy level the
particles in the magnetic substrate may "shift " over time. A different
phenomenon occours when
an HD disk is formatted in a DD drive at a lower energy level. Causing
another form of data loss over time.
You might experiment with a machine with a DD drive if you can find
one.
I assume there is no other problem with your current OS indicating
corruption there.
Good Luck,
Adrian D'Alessio
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