- HIMEM
HIMEM is a
DOS device driver which allows DOS programs to store data inextended memory via the Extended Memory Specification (XMS). This device driver is of particular importance because various versions ofMicrosoft Windows that ran on top of the DOS operating system requiredHIMEM.SYS
to be loaded to be able to run.As of MS-DOS 5.0,
HIMEM.SYS
was introduced and could be used to load the DOS kernel code into theHigh Memory Area (HMA) to increase the amount of availableconventional memory by specifyingDOS=HIGH
in
.CONFIG.SYS HIMEM.SYS
provides access to the memory beyond the first 1 MB of space and thus is required byWindows 9x /Me in order to load the graphical portions of the operating systems.InFreeDOS , the matching file is namedHIMEM.EXE
and can be loaded from the FreeDOS configuration file namedFDCONFIG.SYS
orCONFIG.SYS
.ee also
*
Conventional memory
*High Memory Area
*Extended memory
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