IBM PS/2 Model 70 or compatible floppy drive wanted (Or help with current one?)

Gary Sparkes mokuba at gmail.com
Sun Jun 30 14:42:23 CDT 2019


Ah, just so we're all on the same page here.... The drive i'm looking for
seems to be "extra" special.... mine's got a ribbon cable connecting it to
the card edge connector .... same connector as these two pictured drives
but slightly different configuration. Apparently the drives shown are
compatible, however -
https://www.classic-computers.org.nz/blog/images/2009-09-16-broken-ibm-drives.jpg

Mine is like this one -
https://upload.wikimedia.org/wikipedia/commons/6/65/Floppy_IBM_PS2_M70_back.JPG

On Sun, Jun 30, 2019 at 3:28 PM Fred Cisin via cctalk <cctalk at classiccmp.org>
wrote:

> On Sun, 30 Jun 2019, Bill Degnan via cctalk wrote:
> > I have to check but I think there is a "regular" 3.5 to PS/2 drive
> adapter
> > around, someone selling one?  IIRC the PS/2's need a power line (or two)
> > merged into pin X (?).  It may be worth it to investigate the possibility
> > of buying or making an adapter as these PS/2 drives are becoming hard to
> > find.
>
> I might not be remembering correctly (un-refreshed wetware), but I thought
> that I remembered from 30+ years ago, that PS/2 drive connector consisted
> of 40? pins, of which the first 34 were standard? drive pinout, plus the
> added pins carried the power.
>
> If that remembraance is close to correct, then the adapter would consist
> of 40 pin connector to 34 plus power.
>
>
>

-- 
Gary G. Sparkes Jr.
KB3HAG


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