[Coco] Another problem

Bruce W. Calkins brucewcalkins at charter.net
Thu Jul 16 19:38:03 EDT 2015


I have found head alignment to be a common problem with 3.5" drives.   A few 
years ago I was snagging them for free.  Now?  they are getting a bit 
scarce.  I have not found them easy to realign either.
Bruce W.
===================

----- Original Message ----- 
From: "Michael Graham"

> Sounds like a head alignment problem, to me.
>
> --Michael
>
> On 7/16/2015 1:55 PM, Bill wrote:
>> Naturally, about the only time I post is when I have a problem. So, here
>> goes:
>>
>> I have 2 Coco 3 systems. One consists of a Coco 3, MPI and a dual set of 
>> 3
>> ½” 80 track drives (set 1). I’m running an FD 500 (unaltered) disk
>> controller with it.
>>
>> The other is a Coco 3 with a dual set of 3 ½” 80 track drives. I’m 
>> running a
>> 26-3029 (unaltered) controller (set 2). Individually, they work fine. 
>> When I
>> change the drives from one computer to the other, they still work fine.
>>
>> The problem is that the disks created from Set 1 cannot be read by Set 2.
>> Regardless which computer they are hooked to, one set of drives cannot 
>> read
>> the disks created by the other set of drives.
>>
>> Ideas? Solutions?
>>
>> Thanks 


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