Fred Cisin via cctalk <cctalk(a)classiccmp.org> writes:
For example, they say that a 3 inch drive (as compared
to 3.5" drive)
has "a different voltage system".
That's correct. The Amstrad-branded 3" drives that are common in the UK
have a power connector that's wired backwards from the usual 3.5"
standard, and a completely different pinout on the data
connector. There's a picture of one here:
https://www.retrotechnology.com/herbs_stuff/3inch_floppy.html
(The other useful thing to know about those drives is that the drive
belt is the same size as a standard Royal Mail rubber band, so in a
pinch you can ask your postman for a temporary replacement.)
"There are over 150 floppies present in our
collections,"
That does NOT seem to me to be a large collection at all.
I did the same thing for Abertay University when I was working there in
2019, after the university's newly-appointed archivist approached the
computer science department asking if anybody could help read some
floppies he'd found. He went through the archives and found 30 floppies
in total in various formats, all of which I managed to read using
ImageDisk -- although for a couple of them I had to deliberately
misalign a 5.25" drive.
Abertay has about 4,000 students to Cambridge's 22,000, which works out
at roughly the same number of archived disks per student...
--
Adam Sampson <ats(a)offog.org> <http://offog.org/>