# 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]

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## 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.

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## 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!

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## Examples:

      IN CONFIG.SYS / FDCONFIG.SYS:
        device=c:\fdos\bin\himemx.exe
        device=c:\fdos\bin\jemm386.exe

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## See also:

      config.sys
      devload
      emm386
      fdconfig.sys
      fdxms
      fdxms286
      himem
      jemm386
      jemmex

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## 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.

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      Copyright © 2008 W. Spiegl.

      This file is derived from the FreeDOS Spec Command HOWTO.
      See the file H2Cpying for copying conditions.