Command: himemx
HIMEMX is the High Memory Manager.
HIMEMX has to be loaded in CONFIG.SYS / FDCONFIG.SYS.
Syntax:
HIMEMX [/MAX=####] [/METHOD:xxx] [/HMAMIN=n] [/NUMHANDLES=m]
[/TESTMEM:ON|OFF] [/VERBOSE] [/NOABOVE16] [/X] [/LOG]
Options:
/MAX=##### Limit memory controlled by XMM to #####K.
/METHOD:xxx Specifies the method to be used for A20 handling.
Possible values for xxx:
ALWAYSON Assume that A20 line is permanently ON
BIOS Use BIOS to toggle the A20 line
FAST Use port 92h, bypass INT 15h test
PS2 Use port 92h, bypass PS/2 test
KBC Use the keyboard controller
PORT92 Use port 92h always
/HMAMIN=n Specifies minimum number of Kbs of HMA that a program
must request to gain access to the HMA (default: 0Kb).
/NOX2MAX32 No limit for XMS 2.0 free/available memory reports
(default).
/NUMHANDLES=m Specifies number of XMS handles available (def: 48).
/TESTMEM:ON|OFF Performs or skips an extended memory test (def: OFF).
/VERBOSE Gives extra information during installation.
/NOABOVE16 Do not use INT 15h function E801h to detect >64M.
/X Do not use INT 15h function E820h to detect >64M..
/X2MAX32 Limit XMS 2.0 free/avail. memory report to 32M-1K
/LOG Logs the driver activity to the screen.
/? Shows the help.
Comments:
HIMEMX requires a 80386+ CPU. JEMM386 can be loaded after this
driver. Load HIMEMX as DEVICE=HIMEMX.EXE in CONFIG.SYS (although
it is an ".exe"-file!
Examples:
IN CONFIG.SYS / FDCONFIG.SYS:
device=c:\fdos\bin\himemx.exe
device=c:\fdos\bin\jemm386.exe
See also:
config.sys
devload
(emm386)
fdconfig.sys
(fdxms)
(fdxms286)
(himem)
jemm386
jemmex
xmgr
File:
Please read this command's lsm file also.
You will find the updated version (internet) here and
the version described in this manual page here.
The lsm file contains information about the name of the programmer,
the download site, and some other command related information.
Copyright © 2011 W. Spiegl.
This file is derived from the FreeDOS Spec Command HOWTO.
See the file H2Cpying for copying conditions.