Wild-hair floppy drive question

[Randy McLaughlin]

From: "Doc Shipley" <doc at mdrconsult.com>
Sent: Saturday, June 11, 2005 11:11 PM


> Allison wrote:
>>>>Doc asks:
>>>>
>>>>
>>>>>  Would a DSHD floppy drive with a DSHD disk in it
>>>
>>>  Sorry, no, I meant a 3.5" floppy drive.  As soon as Allison replied I 
>>> realized the question was ambiguous.
>
>> Ah, so you wish to use a 3.5" floppy for an Altos that has a 5.25 DSQD?
>>
>>
>> If that is the question the answer is yes.  (use one hole media aka 
>> 720k).
>
>   I have a few pounds of DSDD 3.5" media.
>
>   What I think I *don't* have is a 3.5" drive that can be jumpered to ID 
> 0.
>
>> If not a TEAC FD55GFV will work as a DSQD 5.25".
>
>   That's a possibility too.  The drive in the Altos doesn't sound 
> particularly healthy, so I'm scouting a replacement.
>
>   Is there a document explaining the differences between the several TEAC 
> FD55Gxx drives?  I have a bunch of TEAC FD55GFRs, but the "V" models are 
> really rare around here.
>
>   And speaking of floppy things, you remember that set of Kaypro master 
> disks I got from you?  I finally ID'ed them.  They're MS-DOS based, for a 
> Kaypro 16.  :)  If you have a use for them I don't, and if not I'll put 
> them up to the list for postage.
>
>
> Doc

The easy thing to do is just make a cable with pins 10, 11, & 12 twisted. 
This takes the standard controllers DS0 line and drives DS1.


Randy
www.s100-manuals.com