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20 Medalist 8421, 6421, 4311 and 2112, Rev. A
Supported operating systems
The Disk Manager dynamic drive overlay provides support for
drives with capacities greater than 528 Mbytes under MS-DOS,
Windows 3.
x,
Windows 95, Windows NT 3.51, Windows NT 3.50
(requires DM upgrade drivers), OS/2 V3.0 (Warp full pack), and
OS/2 V2.0–3.0 (requires DM upgrade drivers).
Before you install a non-DOS operating system on the drive,
install DOS and Disk Manager and make sure that the drive is
bootable. Instructions for running the dynamic drive overlay with
other operating systems are available in the Disk Manager online
manual.
Removing the Dynamic Drive Overlay
If Disk Manager installs a dynamic drive overlay (DDO) and you
do not need this software to access the full capacity of your
drive, you can remove the dynamic drive overlay without losing
your data. However, if you do not have another method for
accessing high-capacity drives, you will lose access to the full
capacity of your drive (see “Addressing drive-capacity limita-
tions” on page 11).
Before you attempt to remove a DDO, make a backup copy of all
the data on your hard drive. Also, run CHKDSK, SCANDISK or a
third-party equivalent to detect and repair any damaged files
before you follow the procedure on page 21.
Caution.
If the DDO migration program encounters a
serious file problem or is interrupted by a power loss or
hardware failure, the migration will fail and your data
will be lost.
!