Texas Instruments TravelMate 4000M User Reference Manual page 262

Memory Device Drivers
To install
following command line in your
other device commands that use Extended memory:
DEVICE=C:\WINDOWS\HIMEM.SYS
In this form,
is on a "first-come-first-served" basis.
RAMDRIVE.SYS
A RAM disk is a portion of your computer's memory
configured to simulate a disk drive. A RAM disk, also called
a virtual disk, can be accessed much faster than a normal
drive.
You lose the data stored on a
computer power off. Therefore, to save the contents of a
RAM disk, copy the contents of the RAM disk to a floppy or
to the hard drive before turning off power. You can copy
files using the included Laptop File Manager utility or the
MS-DOS COPY
it automatically. Unlike a normal disk, a
require formatting before use.
To set up a
CONFIG.SYS
DEVICE=C:\DOS\RAMDRIVE.SYS [size]
Specify the size in kilobytes. The minimum size is 16 KB,
and the default value is 64 KB.
Several other options are available for setting up a
disk. Refer to your BatteryPro & Productivity Software
User's Manual for details.
The
drive letter being used by your system. For example:
F-8 Configuring Memory
HIMEM.SYS
HIMEM.SYS
command, or you can set up a batch file to do
disk, include the following line in your
RAM
file:
disk is given the drive letter that follows the last
RAM
in its simplest form, include the
CONFIG.SYS
uses default values. Access to
disk when you turn the
RAM
file before any
HMA
disk does not
RAM
RAM