DOC formatting/BIOS recognition problems

[이영우]

Dear sir,
         I  tried to format a DOC (DIskOnChip 2000)using the firmware version 524p(doc524p.exb)and I got this result.
         operation system : redhat 7.2 (kernel : linux-2.4.7-10)

 I formatted the DOC using the firmware version524p
    the

   dformat -WIN:d800 -S:doc524p.exb -Y -NOFORMAT -FIRST

   returns

   formatting
   4096 of 4096
   statuscode is 26(flUnknownMedia)received from
   flmountVolume.
   Format failed

===> how to solutions this problems?
thanks you.