Re: Re: Who owns a 8050/8250 with tandon drives?

Hi, Rob

 

Don't know exactly what looks like tandon drives for 8050/8250 but they have a different floppy locking system as regular ones. Micropolis locking system have a sort of rectengular push button. To load the floppy disk, you push the disk into the unit, then, when you push (quite heavily) the button, the entire drive mecanism rotates to complete lock. To remove the floppy, you push (quite heavily) again the rectengular buton and the entire mecanism rotate back but does not eject the disk; you have then to pull the buton to eject the disk.

AFAIK, only full size 100 TPI Micropolis mecanics have this kind of disk loading. On regular (non Commodore) 100TPI Micropolis ones, this buton is (can be) blue to indicate double sided drive. Seen one pair for sell on eBay few years ago.

I think that Tandon drives have a more conventional locking system.

 

REgards - Hervé



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Message du : 13/03/2014 00:45
De : "Rob Clarke " <crock@clarke-family.org.uk>
A : cbm-hackers@musoftware.de
Copie à : 
Sujet : Re: Who owns a 8050/8250 with tandon drives?


 Hi Martin, can you tell externally if it's a tandon drive? I have 4 or 5 
in the attic and it would be easier if I didn't have to take then down 
of the shelves and open them up.

cheers, Rob

On 12/03/2014 19:34, Martin Hoffmann-Vetter wrote:
> Hello,
>
> did anyone owns a 8050 or 8250 with tandon drives? Many units come with
> micropolis drives. So the ROM content of the RRIOTs for tandon drives (e.g.
> 901483-04 and 901884-01) are missing. It would be very great if an owner of
> a unit with tandon drives can dump the ROM from a RRIOT!
>
> Thanks
>
> Martin
>
>
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