Changes Norton Desktop Makes to AUTOEXEC.BAT and SYSTEM.INILast reviewed: February 14, 1995Article ID: Q82408 |
This information applies to:
SUMMARYThis article discusses the following changes that are made to your system files by Norton Desktop for Windows versions 1.0 and 1.1:
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SHELL= Setting Changed in SYSTEM.INI FileNorton Desktop for Windows can be installed as a shell that replaces the Program Manager of Windows. To do this, Norton Desktop modifies the [boot] section of the SYSTEM.INI file. To temporarily disable Norton Desktop, edit the SYSTEM.INI file in a text editor (such as Microsoft Windows Notepad), and change the line "shell=ndw.exe" so that it reads "shell=progman.exe" (without the quotation marks).
Device Drivers Installed in the SYSTEM.INI FileNorton Desktop for Windows installs three virtual device drivers (VFINTD, VDMADX, and VNSS) in the \WINDOWS\SYSTEM directory and places the following four lines in the [386enh] section of SYSTEM.INI:
DEVICE=VFINTD.386 DEVICE=VDMADX.386 DEVICE=VNSS.386 DMABufferSize=21The following is an explanation of the lines in the [386enh] section of SYSTEM.INI:
Lines Description ----- ----------- DEVICE=VFINTD.386 Virtual Floppy Interrupt Device Driver DEVICE=VDMADX.386 Virtual direct memory access (DMA) Device Driver (replaces the default VFINTD, VDMADX, VNSS internal DMA device driver *vdmad) DEVICE=VNSS.386 Virtual Screen Saver Device Driver DMABufferSize=21 Sets amount of RAM reserved for buffered DMA (default=16)Removing or remarking out these lines causes Windows to exit to the command prompt when you try to start Windows in 386 enhanced mode. To remove Norton Desktop for Windows, you need to remove the three device= lines mentioned above and add the following line to the [386Enh] section of the SYSTEM.INI file:
DEVICE=*vdmad Changes to the AUTOEXEC.BAT FileWhen you install Norton Desktop for Windows version 1.0 or 1.1, your AUTOEXEC.BAT file may be modified. Toward the end of the installation the following choices are given:
For more information, call Symantec technical support.
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