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Win9x Msdos.sys parameters

What are the configuration parameters for the MSDOS.SYS file by dxd
Posted: 22 Jun 00

Here are the parameters straight from the Win98 Resource Kit:

[Paths] section
HostWinBootDrv=c Defines the location of the boot drive root directory.
WinBootDir= Defines the location of the necessary startup files. The default is the directory specified during Setup; for example, C:\Windows.
WinDir= Defines the location of the Windows 98Windows 98 directory as specified during Setup.
[Options] section
AutoScan= Enables ScanDisk to run automatically when your computer restarts. The default is 1. When this value is set to 1, ScanDisk will run automatically., you will be prompted if you want to run ScanDisk; if you do not respond after one minute, ScanDisk runs automatically. Setting this value to 0 disables this feature. Setting it to 2 launches ScanDisk automatically (if needed), without prompting you.
BootDelay=n Sets the initial startup delay to n seconds. The default is 0is 2. BootKeys=0 disables the delay. The only purpose of the delay is to give the user sufficient time to press F8press ctrl after the Starting Windows message appears.
BootFailSafe= Enables Safe Mode for system startup. The default is 0. (tThis setting is typically enabled typically by equipment manufacturers for installation.).
BootGUI= Enables automatic graphical startup into Windows 98Windows 98. This is equivalent to putting the win statement in Autoexec.bat. The default is 1.
BootKeys= Enables the startup option keys (that is, F5, F6, and F8). The default is 1. Setting this value to 0 overrides the value of BootDelay=n and prevents any startup keys from functioning. This setting allows system administrators to configure more secure systems. (These startup keys are described in Chapter 27, ôGeneral Troubleshooting.ö).
BootMenu= Enables automatic display of the Windows 98Windows 98 Startup menu, so that the user must press CTRL to see the menu. The default is 0. Setting this value to 1 eliminates the need to press CTRL to see the menu.
BootMenuDefault=# Sets the default menu item on the Windows Startup menu; the default is 3 for a computer with no networking components and 4 for a networked computer.
BootMenuDelay=# Sets the number of seconds to display the Windows Startup menu before running the default menu item. The default is 30.
BootMulti= Enables dual-boot capabilities. The default is 0. Setting this value to 1 enables the ability to start MS-DOS by pressing F4 or by pressing F8 to use the Windows Startup menu.
BootWarn= Enables the Safe Mode startup warning. The default is 1.
BootWin= Enables Windows 98Windows 98 as the default operating system. Setting this value to 0 disables Windows 98Windows 98 as the default; this is useful only with MS-DOS version 5 or 6.x on the computer. The default is 1.
DblSpace= Enables automatic loading of Dblspace.bin. The default is 1.
DoubleBuffer= Enables loading of a double-buffering driver for a SCSI controller. The default is 0. Setting this value to 1 enables double-bufferingdouble buffering, if required by the SCSI controller.
DrvSpace= Enables automatic loading of Drvspace.bin. The default is 1.
LoadTop= Enables loading of Command.com or Drvspace.bin at the top of 640K memory. The default is 1. Set this value to 0 with Novell NetWare or any software that makes assumptions about what is used in specific memory areas.
Logo= Enables display of the animated logo. The default is 1. Setting this value to 0 also avoids hooking a variety of interrupts that can create incompatibilities with certain memory managers from other vendors.
Network= Safe Mode With Networking is no longer supported in Windows 98Windows 98. This value should be set to 0 or left blank to disable this feature.

Back to Microsoft: Windows FAQ Index
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