Extended Memory - Texas Instruments TravelMate 4000M User Reference Manual

Extended Memory

Extended memory is internal system
or your applications (that support extended
MS-DOS
memory) can access Extended memory if your system is
configured with an extended memory driver (
Extended memory drivers manage the extended memory
ensuring that two programs do not use the same part of
memory. The enhanced mode of MS Windows uses
extended memory to multitask applications.
includes the
MS-DOS
is defined in your
HIMEM.SYS
automatically loaded each time you boot the system.
also enables
HIMEM.SYS
64-KB region located just above the 1-MB mark for storage
of code and data. This area is known as high memory area
( .
HMA)
Note: can also be loaded in
MS-DOS
conventional memory. Refer to your MS-DOS User's Manual
for instructions.
Note: Some application programs that run in 386
enhanced mode (such as Windows) require special extended
memory managers. Use the extended memory manager
provided with your application, if available. Otherwise, use
, the
HIMEM.SYS MS-DOS
computer.
You can define part of extended memory as one or more
disks using the
RAM
provided in the next section.
Memory Areas
extended memory driver.
HIMEM.SYS
CONFIG.SYS
programs to use an extra
MS-DOS
HMA
version furnished with your
device driver. Details are
RAMDRIVE.SYS
Configuring Memory F-3
above 1024 KB.
RAM
).
XMS
file where it is
to free up