If I remember correctly
Removable + fixed
7900 5mb
7905 10mb fixed(1 data/1 servo)
7906 15mb fixed(double density 1 data/1 servo + 1data)

Removable pack
7920 50mb
7925 125mb

Peter C.
Paul Courry <[log in to unmask]> wrote in message
news:F4B1826B1A21D211AEC5006008207AF4011F2BEF@dogbert.csillc.com...
> Our company has a HP7920 discdrive, size 10Mb. This this is as big as a
table and uses 14" removable disc packs.
>
> Obviously it has no value, but does anyone run a museum or otherwise have
a valid use for it? Shipping is on your dime, located
> in the San Diego area. A local 3000 refurbisher can ship for a price.
>
> Paul Courry
>