mtools 3.9.9 only supports media that has 512 byte sectors.
Whilst it has a 'blocksize' parameter, this is ignored when reading
the bootblocks. The latst 3.9.10 patch includes a work-around for
Fix: Remove files/patch-i and add files/patch-mformat.c and the following
Index: files/patch-mformat.c [new]
How-To-Repeat: Use mtools with a flash disk with >512 byte sectors (I used an
EM706S MP3 Player).
Over to maintainer