The DOS Zone
FAT System Guide
Invalid drive specification.
Please view my Notices page before viewing this area, it is not complete!
This is work in progress.
There are two main reasons that you get this message.
The first is that you are trying to access a drive which doesn't exist, this
could be because the drive requires drivers to be loaded before it can be
accessed. A CD-ROM or zip drive for example.
The second reason is that the version of DOS which you are using isn't aware
of the file system which is on the disk.
This is a common problem with FAT32 volumes, since few types of DOS can access them.
Trawled this site and still can't find the solution to your problem?
If so I highly recommend The DOS Board.
It has several good techies waiting to answer your questions and I
hang around there a lot too.