Intermec 6640 Technical Reference page 150

Toolkit for the 6640 Computer
" NOTE:
4-90 6640 Mobile Computer Technical Reference
Bootable Network Diskette
drive D:.
Do not use the "C:\" root directory as the destination directory be-
cause it will overwrite AUTOEXEC.BAT, MSDOS.SYS, and other
system files.
For this example, the floppy disk drive is
OK
SECTION 4