A. The procedure below should be used on systems with Windows95 and/or DOS installed, however be aware it is sometimes good idea to have a small DOS installation for use with hardware setup etc. Before you start this make sure you have an up-to date ERD (rdisk -s) and the 3 NT installation disk (winnt32 /ox) just in case :-)
- Modify the attributes on boot.ini to allow the file to be edited
attrib c:\boot.ini -r -s - Using Notepad (or another test editor open c:\boot.ini and remove the
lines for DOS and/or Windows95 from the \[operating systems\] section,
e.g. the lines to remove may be
c:\="MS DOS 6.22"
c:\bootsect.622="MS DOS 6.22"
c:\="Windows 95"
Lines to avoid removing are structured like
multi(0)disk(0)rdisk(0)partition(2)\WINNT="Windows NT Workstation Version 4.00" - Save the file, and put back the file attributes
attrib c:\boot.ini +r +s - If you are removing DOS then delete the DOS tree structure
deltree c:\dos - If you are removing Windows95 then delete the Windows 95 tree
structure ** Make sure it is not the same directory as NT is installed
in, this is very unlikely however **
deltree d:\window95 - You will also need to remove applications that were only installed for use with Windows 95/DOS, e.g. programs under Program Files, however NT will also install applications in this directory so be careful.
- DOS and Windows95 place a number of files on the boot partition that
can be deleted, e.g.
- autoexec.bat
- config.sys
- IO.SYS
- MSDOS.SYS
- bootlog.txt
- command.com
It will probably be safer to copy them somewhere before deleting them and just check NT boots OK. You may need to set them to be deletable using
attrib <file> -r -h -s
You can basically delete all files at the base of the boot partition except
- boot.ini
- ntldr
- ntdetect.com
- ntbootdd.sys (for SCSI systems)
Which are needed for NT startup - Reboot the machine and Windows95/DOS are now removed
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