Documentation for HP Nighthawk 20mb drive

[Robert Armstrong]

>I'm glad you ignored the rest of what I had to say then. Is there a part
number on the drive?
> I'm finding a lot of conflicting information about the internal workings
of the 9153C.
> I have found several references to the 9133 being MFM (ST-412), but that
is NOT the
> 9153. How about a "long" part number on either unit? (4numbers - 4 or 5
numbers)?

  Try 97500-85620.  Actually I think there were a couple of different
versions, and I'm not really familiar with HP nomenclature.  FWIW, HP also
sold this drive in some early PCs, for which is used a custom HP controller
card.

  Thanks - I appreciate the help!

Bob