DSQD Drives (Was: RE: Diags/Boot image for Altos 580)

From: Douglas Quebbeman <dhquebbeman_at_theestopinalgroup.com>
Date: Sun Mar 17 12:33:06 2002

> I just took a look at the docs for the Series 5 Altos computers and
> there is a repair ticket for a Mitsubishi M4853 Disk Drive. The floppy
> disk summary docs indicate that drive is a 5.25, HH, 720K, 96
> TPI drive.

Ok, not GCR, but I suppose similiar to drives used
in the Sanyo MB550 (or whatever that silver incompatible
was called).
 
> The CP/M version with my Altos 580 is 2.2 Licensed from Digital Research
> by Lambda Software (4 disks.) Each of the six disks I have are labeled
> double sided, double density, soft sectored. Of the two other disks, one
> is for the 580-20 and is labeled MPM/CPM for Altos 580-20, the other
> Altos Diags for model 580-x.
>
> Hope this helps!

Can you make copies for Doc?

Regards,
-doug q


>
> Douglas Quebbeman wrote:
> >
> > > IIRC the Floppy on an Altos 580 is DSQD.
> >
> > Am I correct that while different from standard
> > DSDD, they are *not* GCR drives?
> >
> > What other machines might carry these drives, can I
> > hook one up to a standard PC controller in a box
> > running DOS, and then duplicate the disks?
> >
> > > I had one that had the CMI hard drive replaced with a
> Seagate ST225. So I
> > > know they will take similar configured Hard Drives. I
> think they will take
> > > 10, 15 and 20 Meg HDs.
> >
> > This is good to know, ST225s still pop up from time to time...
> >
> > -dq
>
Received on Sun Mar 17 2002 - 12:33:06 GMT