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5. Make sure your CONFIG.SYS file contains a DEVICE command for […]
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5. Make sure your CONFIG.SYS file contains a DEVICE command for HIMEM.SYS. The command should appear before any other DEVICE commands and should look like the following
device=<path>\himem.sys
where <path> is the drive and directory where your HIMEM.SYS file currently resides. For example, if your HIMEM.SYS file is located in your DOS directory on drive C, type the following command:
device=c:\dos\himem.sys
6. Add a DEVICE command for EMM386.EXE that has the location of EMM386.EXE, that specifies you want EMM386.EXE to emulate expanded memory, and that indicates the amount of extended memory to allocate to EMM386.EXE. The following DEVICE command specifies that EMM386.EXE should use 640 kilobytes (K) of extended memory to emulate expanded memory
device=<path>\emm386.exe 640
where <path> is the drive and directory where your EMM386.EXE file currently resides. For example, if your EMM386.EXE file is located in your DOS directory on drive C, type the following command:
device=c:\dos\emm386.exe 640
If you also want to run programs in the upper memory area to increase your available conventional memory, add the RAM switch to the DEVICE command. The following command specifies that EMM386.EXE should provide 640K of emulated expanded memory, and should also provide access to upper memory blocks (UMBs)
device=<path>\emm386.exe 640 ram
where <path> is the drive and directory where your EMM386.EXE file currently resides. For example, if your EMM386.EXE file is located in your DOS directory on drive C, type the following command:
device=c:\dos\emm386.exe 640 ram
NOTE: Do not use the NOEMS switch; the NOEMS switch disables all support for expanded memory.
7. If you want MS-DOS to reside in the high memory area, make sure your CONFIG.SYS file contains a DOS=HIGH command (or a DOS=HIGH,UMB command if you used the RAM switch with EMM386.EXE). If the file doesn't contain one of these commands, insert the following line after the DEVICE=<path>\HIMEM.SYS command:
dos=high,umb