Opening RL02 disk pack

[Noel Chiappa]

    > From: Paul Birkel

    >> I thought RL0x drives use an IBM 5440 type pack (as used on the IBM
    >> System/3 .... DEC may have used their own format (and servo track
    >> stuff), I don't know much about the 5440.

    > Sounds to me like it was different, but in a good way?

I took a look, and found a manual for a 5440:

  http://bitsavers.org/pdf/ibm/system3/GA33-3002-0_5444_5440_ComponentsDescr_Aug70.pdf

and the details (format, etc) are indeed different. The packs are physically
compatible, but that's as far as it goes.

	Noel