You can request a list of all the startup parameters with the following command:
win /?
You can executed this command from a DOS box or from the Run command on the Start menu. You will see a list of startup parameters similar to the following list.
Starts Windows.
WIN [/D:[F][M][S][V][X]]
/D Used for troubleshooting when Windows does not start correctly.
:F Turns off 32-bit disk access.
Equivalent to SYSTEM.INI file setting: 32BitDiskAccess=FALSE.
:M Enables Safe mode.
This is automatically enabled during
Safe start (function key F5).
:N Enables Safe mode with networking.
This is automatically enabled during Safe start (function key F6).
:S
Specifies that Windows should not use ROM address space between
F000:0000 and 1 MB for a break point.
Equivalent to SYSTEM.INI file setting:
SystemROMBreakPoint=FALSE.
:V Specifies that the ROM routine will handle interrupts from the hard
disk controller.
Equivalent to
SYSTEM.INI file setting: VirtualHDIRQ=FALSE.
:X Excludes all of the adapter area from the range of memory that
Windows scans to find unused space.
Equivalent to SYSTEM.INI file setting: EMMExclude=A000-FFFF.