*early* Domain OS available? ---> 8" floppy with Imagedisk
Gary E Kaufman
gkaufman at the-planet.org
Tue Jul 11 18:16:52 CDT 2006
> From: Jules Richardson <julesrichardsonuk at yahoo.co.uk>
> Subject: Re: *early* Domain OS available?
>
>
> Al Kossow wrote:
>
>>> The floppy drive appeared to be a standard PC style 5 1/4" drive.
>>>
>> It would be a good thing to try Imagedisk on these to try to get the
>> software archived.
>>
>> I've had pretty good luck with reading 5" floppies. 8" is another story...
>>
>
> Hmm, good point - I had 'floppy-based' stuck in my head and completely missed
> that the fax we've got says that they're 8". That suggests it's a pretty early
> Apollo and well before the 3000 or 4000 series.
>
> At least if they're 8" disks then the recording density is pretty low and so
> there's a good chance they're intact. OTOH, I've never tried hooking up an 8"
> drive to a modern machine (i.e. PC) and tried Imagedisk (for example) with it.
I've used a Shugart 801R with Imagedisk, and it works very nicely. I
laid out a small pcb to simplify the connections and could have more
made up if there were any interest.
Dave Dunfield was invaluable in helping me work thru issues getting
single density to work properly. I ended up with an Adaptec ISA scsi
adapter card for the floppy controller which works well (it's a 1522a).
- Gary
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