23 Apr
2011
23 Apr
'11
12:36 a.m.
Any alignment
must be totally lost by now. But if I do get it
working I
can format a disk on it and see if that works. Reading and writing
files
might be more of a problem, I can't remember if there is any way to
create directories and files in the bare OS, or if one needs
programs
from another disk, in which case I would be out of luck if it is so
badly misaligned that it can't read other disks.
Could you connect it up as a second drive? I seem to rememebr there's
a
socket for that on the ST (a strange 14 pin DIN socket?). Or test it
on
some other machine that uses a standard-ish floppy drive? 
25 Apr
25 Apr
12:50 p.m.
I could connect it as a second drive in a PC. I think
it is actually a
bog-standard drive.
I think you're rpobsbly right, the ST has a pretty standaed disk interface.
Connecting a new drive to the ST was dead easy, however most of the old
diskettes that came with the machine seem to be bad. Now I shall have to
It's always possibl the alignment of that old drive was a bit off, and
most of the disks youy have were recorded on a misaligned drive. In wichh
case I guess you should try to get the drive going again anf fiddle with
the alignment until it can read the disks. And then copy them to new
disks recorded on a known-well-aligned drive.
try to get the old drive working again.
I thought the head assembly on the old drive might have had bushes for
the guide rod. Not so, they were just holes punched through the sheet
metal...
Ouch!. That's horrible. The service manuals I have for 3.5" drives (rather
better 3.5" drives than this one) say that the slide rails are matched ot
the head assembly, and you can't replace either separately. The
tolerances are just too tight. I can't believe holes in sheeet metal are
anything like accurate enough
-tony
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