Seagate ST4766E MS-DOS 4.01 chkdsk Fix

If you are running a Seagate ST4766E drive and have formatted it using the
disk manager that comes with the drive and you are running dos 4.01, you have
undoubtedly found out by now that chkdsk doesn't work and gives the message "INVALID MEDIA".
 

There is a fix for that problem, though, and here it is direct from Seagate technical support:

Using debug, type the following (hit return after each command):

       DEBUG CHKDSK.COM (return)
       ECS:37CE (return)
       EB (return)
       W (return)
       Q (return)