HP drives

[Chuck Guzis]

On 29 Dec 2010 at 20:47, Dave McGuire wrote:

>    I have several boxes of disks (I seem to recall having discussed
> them here before) that I *think* are IBM-labeled but I'm not certain,
> as I last actually looked at them many years ago.  I know I still have
> them and I know where they are, but I'm several states away at the
> moment and can't check.  Anyway, they have a large notch along one
> side, and sector holes around the outer perimeter of the disk. 
> 
>    The only thing I'm not 100% certain of is whether or not they're
> IBM. 

Those certainly sound like Memorex 651 floppies; there's 
documentation for the 651 on bitsavers, if you want to compare notes.

--Chuck