mpi (CDC) drive

From: Don Maslin <donm_at_cts.com>
Date: Tue Feb 29 22:34:23 2000

On Tue, 29 Feb 2000, Allison J Parent wrote:

> I have a MPI (CDC) 5.25 full height 2sided drive and some questions.
>
> Part number is 77711800

Allison, I have a 96tpi MPI with Part number 77686000, so it is
apparently not that. I also have a 100tpi MPI, bit it is installed and
inaccessible now.

                                                 - don

> is this 35, 40 or "other" cylinders?
>
> is it 48tpi, 96 or maybe 100 tpi?
>
> It gets cranky from tracks 9-14 inward (even a Format) and it makes me
> wonder what it is or is it just flakey? Appearances suggest flakey but I'm
> making sure it's not an oddball MPI 100tpi.

I'm sure that you have checked that the head assembly slides freely on
the guide rods.
 
> FYI: it's a NS* Advantage and it runs fine off a generic HH5.25/48tpi
> floppy.

Certainly points at the drive.
 
> Anyone have a NS* CP/M OS manual for it. It has CP/M and it's apparently
> a NS* version for the Advantage and slightly strange compared to others I've
> seen?

What is different about it?

                                                 - don
 
>
> Allison
>
>
Received on Tue Feb 29 2000 - 22:34:23 GMT