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.

[Main menu] [top] [Syntax] [Options] [Comments] [Examples] [See also] (File)


  Copyright © 2008 W. Spiegl.

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