Frederick Bruckman <fb@enteract.com> writes:

> The DOS file system actually starts one track in on the extended
> partitions, so make a partiton "f" with start 11341953=11341890+63 and
> size 17992737=17992800-63.

Yup, I can independently verify that this works - it's what I did a
few weeks ago to get an extended DOS partition mounted.