What does EMM386 EXE do?

What does EMM386 EXE do?

Overview. EMM386. EXE can map memory into unused blocks in the upper memory area (UMA), allowing device drivers and TSRs to be “loaded high”, preserving conventional memory. The technique probably first appeared with the development of CEMM, included with Compaq MS-DOS 3.31 in 1987.

What does config sys do?

CONFIG. SYS is a configuration file on DOS systems. It is a text file that contains the settings and commands to load drives in a DOS system. This is a primary configuration file for OS/2 and DOS OS.

How do I access config sys?

Type “cd\” and press “Enter.” Type “edit config. sys” in the command window to open an editor for the Config. sys file.

Where is config sys?

root directory
In DOS, CONFIG. SYS is located in the root directory of the drive from which the system was booted.

What does ANSI SYS do?

The ansi. sys defines functions that change display graphics, control cursor movement and reassign keys. The ANSI. SYS device driver supports ANSI terminal emulation of escape sequences to control your system’s screen and keyboard.

What does Himem SYS do?

SYS is a DOS device driver which allows DOS programs to store data in extended memory according to the Extended Memory Specification (XMS). The memory beyond the first 1 MB of address space is required by Windows 9x/Me in order to load, therefore these versions of Microsoft Windows required HIMEM. SYS . …

Does Windows 10 use config sys?

Windows XP, Windows Vista, Windows 7, Windows 8, and Windows 10 do not have or use the config. sys file. This file has been replaced by the Windows registry.

How do you edit a sys file?

SYS” file under DOS:

1. Open an MS-DOS prompt and type “cd..” ( without quotation marks ), this brings you to the root.
2. ” attrib -r -s -h msdos.sys” ( without quotation marks ): now you can modify “msdos.sys”
3. Make the changes needed, save the file and type ” attrib +r +s +h msdos. sys” ( without quotation marks ).

Where is config sys Windows XP?

They live in \windows\system32 (and contain helpful text). Config. sys & autoexec. bat in root of system drive are ignored.

How do you edit a SYS file?

How do I enable ANSI SYS?

To load ansi. sys, you must use the device= or devicehigh= command in config, just as you would in MSDOS. On Windows NT 5 (2K & XP), each copy of the DOS subsystem can be given a separate config file in the pif/shortcut (use the “advanced” button), and there is a default file called CONFIG.

What is ANSI for laptop?

A system file in the DOS operating system that was used for more control of text screens, such as changing colors and setting different text modes. Known as a “device driver,” ANSI. SYS was also used as a keyboard macro processor to assign commands to a function key or reassign awkwardly placed keys.

What is the NOEMS switch in EMM386.EXE?

EMM386.EXE has several purposes: In this case the NOEMS switch has been used to indicate that no extended memory should be used to emulate expanded memory. The command dos=high,umb will load a portion of dos into the high memory system and make the Upper Memory Blocks available.

Which is EMM386.EXE or HIMEM.SYS?

The extended memory manager, HIMEM.SYS is loaded first, followed by EMM386.EXE. EMM386.EXE has several purposes: In this case the NOEMS switch has been used to indicate that no extended memory should be used to emulate expanded memory.

Where do I find the EMM386.EXE device driver?

The Emm386.exe device driver must be loaded in Config.sys using a Device statement. The full path. Default is the root directory of the start-up drive (usually C:/) Although the EMM386 device driver must be loaded in Config.sys, it need not be activated unless required.

When is EMM386 activated in DOS 7?

EMM386 is activated at startup (Default). EMM386 is not activated at startup. EMM386 is not activated at startup but is automatically activated if any program calls for it. Although few programs these days use expanded memory, EMM386 is still needed to allow access to the upper memory area.