18 Jun
1998
18 Jun
'98
4:10 p.m.
On Wed, 17 Jun 1998, Tony Duell wrote:
I wonder if implemented if it would be necessary to let the read
electronics know which sensor it was reading to compensate for the
rotation positional difference. Or whether when reading the flippy
side it would simply wait longer to read the sector header.
- don
Likewise the
Commodore 8-bitters. In the early 1980s, I was one of the
first in my school (I was 14 or so at the time) to own a floppy disk
(yes, a disk, not a drive). I had heard of "flippy disks" with two
index holes, which you could turn over, thus using both surfaces in a
single sided drive. But I didn't realise you needed to give it a second
index hole.
Incidentally the Siemens drives in my Z-90 have mouting positions (and
pins on the PCB plugs) for a second index sensor and write-protect switch
so that they can use a normal disk as a 'flippy'. None of my drives have
this fitted, though
-tony