Extended Memory - Texas Instruments TravelMate 5000 Series User Reference Manual

Extended Memory

Extended memory is internal system
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.
MS-DOS
HIMEM.SYS
automatically loaded each time you boot the system.
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:
n
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
n
provided with your application, if available. Otherwise, use
HIMEM.SYS
computer.
You can define part of extended memory as one or more
RAM
provided in the next section.
or your applications (that support extended
includes the
is defined in your
also enables
.
can also be loaded in
MS-DOS
, the
MS-DOS
disks using the
Memory Areas
extended memory driver.
HIMEM.SYS
CONFIG.SYS
programs to use an extra
MS-DOS
version furnished with your
device driver. Details are
RAMDRIVE.SYS
Configuring Memory E-3
above 1024 KB.
RAM
).
XMS
file where it is
to free up
HMA