1 Jun
1998
1 Jun
'98
10:41 a.m.
What exactly does alignment entail? What part is getting misaligned?
Does this happen to any other type of drive (CD-ROM, HDD,etc.)
no
is
> > It's better to get the right alignment
disk, though
> >
> With the current price of fdds so low, it's hard to justify buying
something
that I would
rarely use.
Probably true for PCs, although I've found _new_ cheap fdds to be
misaligned. I check them befroe installation, you see.
Definitely untrue for classic computers :-), where you either want to
keep as many parts original as possible, or need a floppy drive that's longer made e.g. 80 track 300 rpm 5.25". Yes, some
1.2Mbyte drives
_can_
be kludged to rotate slower, but it's not always
obvious what to do.
And
service manuals for cheap fdds are not available.
> > Are you sure? Putting 12V where 5V should go is a bad idea, and I
wasn't
> > aware that Atari drives had the connector
backwards.
> >
> Yeah this is pretty well documented in the Atari threads. This isn't
true
for
> all brands however but I've never heard of any
voltage conflicts.
It's a 4 pin
> connecter and I wasn't aware of it also having
12v available on that
connecter.
> Apparently most fdd brands will work 720 or 1440
but HD is not
available
without a
modification, I just got unlucky with the one I bought.
The standard pinout of the 4 pin power connector (both 5.25" and 3.5"
types) is ground on the middle 2 pins and +5V, +12V on the outside 2.
Some 3.5" drives (but by no means all!) are +5V only, and the +12V pin unused. My ST is hard to get to, and I don't have a
service manual, so
I
can't check to see what it does.
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-tony