himem

Device driver for XMS and higher memory.
   device=c:\fdos\bin\himem.exe [options]

Options

   /MAX=###
   Limits the maximum amount of RAM to be controlled to ###Kb.

   /METHOD:XXX
   Specifies the method used for A20 handling.
   Possible values for XXX:
     ALWAYSON: Assume that A20 line is permanently ON.
     BIOS: Use the 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
   Specify the number (n) of Kb that a program must request to gain
   access to the HMA (default: 0).

   /NOX2MAX32
   Do not limit XMS 2.0 free memory report to 32M - 1K.

   /NUMHANDLES=n
   Sets the number of memory handles that will be obtainable by programs.
   Default is 32
   Minimum is 8
   Maximum is 128

   /VERBOSE
   Gives extra information during installation. Useful for bug reports.

   /NOABOVE16
   Tells himem not to attempt to detect XMS memory above 64MB, i.e. only
   use the lower 64MB.

   /TESTMEM:ON|OFF
   Perform or skip extended memory testing (default: OFF).

   /X
   Do not use INT 15h function E820h to detect greater than i64M.

   /X2MAX32
   Limit XMS 2.0 free memory report to 32M - 1K (default).

   /LOG
   Logs the driver activity to a log file.

Copyright © 2004 Rob Platt
This file forms part of The FreeDOS HTML Help Documentation, and is covered under its terms: see index.htm