• You must use DNA Lanmarc Network version 6.0 or later. If you use a
version earlier than 6.0, you receive the following error message:
• You must disable the network drivers in the CONFIG.SYS file before
you run MS-DOS 6 Upgrade Setup. To do this, remark out the following
After you remark out these device drivers, restart the computer and
run Setup. If you plan to install DoubleSpace, do so before you remove
the REM statements and restart the computer to regain your network
When you run DoubleSpace, CHKDSK, or Defragmenter, you must start
your computer without loading the previously mentioned DNA Lanmarc
network drivers. To do this, restart your computer and press the F8
function key when "Starting MS-DOS..." is displayed. You can then
step through your CONFIG.SYS file, bypassing the network device
Some DoubleSpace features (such as LIST, CHKDSK, MOUNT, and UNMOUNT)
do not work correctly unless the network is disabled.
NOTE: DoubleSpace does not compress some of the DNA Lanmarc Network
files. These files remain on the uncompressed host drive.
The DNA Lanmarc product included in this article is manufactured by a
vendor independent of Microsoft; we make no warranty, implied or
otherwise, regarding this product's performance or reliability.