FD400 drive troubleshooting
Richard A. Cini
rcini at optonline.net
Tue Nov 27 06:55:32 CST 2007
The "he" is me...
I've swapped drives originally and this drive worked for a short time. I was
originally looking for common failure modes for these drives. I've cleaned
the heads using a disk but a more thorough and direct cleaning is warranted.
The problem is that this is the second drive in the pair and to get to it
means I have to disassemble half of the unit. I just haven't had the time in
the last few days.
I also want to check the drive RPM. I found a program for the Model 100 and
bar code reader which turns it into a stroboscope, but I wanted to validate
it on a working drive, so I have to pull out a TM100 drive. But, alas, I
haven't had time for that in the last few days, either. I'm going to try to
do that today.
On 11/27/07 12:08 AM, "dwight elvey" <dkelvey at hotmail.com> wrote:
> How about back to the original subject.
> Has he tried to swap the boards on the drives. On floppies,
> these are usually interchangeable. That would
> Isolate the problem to the mechanical or electrical.
> You keep typing, we keep giving. Download Messenger and join the i¹m
> Initiative now.
Collector of Classic Computers
Build Master and lead engineer, Altair32 Emulator
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