How to: Setup computer to dual boot with Windows 95 and previous version of DOS.
Solution:
Add the line 'BootMulti=1' (without quotation marks) to the MSDOS.SYS file in the root folder of the boot drive.
NOTE 1: The following steps apply only to computers that had a previous version of MS-DOS (versions 5.0 to 6.22) installed prior to installing Windows 95, and the previous version of MS-DOS was not removed during the installation of Windows 95.
NOTE 2:You cannot add a previous version of MS-DOS after Windows 95 has been installed.
NOTE 3: Windows 95 OEM Service Release 2 (OSR2) cannot be set to dual boot with a previous version of MS-DOS
1) Open a DOS Window.
2) Type the following at the DOS prompt, and press ENTER:
CD\
3) Type the following at the DOS prompt, and press ENTER:
ATTRIB C:\MSDOS.SYS -S -H -R
4) Type the following at the DOS prompt, and press ENTER:
EDIT MSDOS.SYS
5) Add the following line to the [Options] section in MSDOS.SYS:
BOOTMULTI=1
NOTE: You can make this line the first line in the '[Options]' section.
6) Select the 'File' menu and select 'Save'.
7) Select the 'File' menu and select 'Exit'.
8) Type the following at the DOS prompt, and press ENTER:
ATTRIB C:\MSDOS.SYS +S +H +R
9) Type the following at the DOS prompt, and press ENTER:
EXIT
NOTE: To boot using the previous version of MS-DOS, restart the computer and, when 'Starting Windows 95' appears on the screen, press F8. (The boot manager screen appears.) Select 'Previous version of MS-DOS', and press ENTER.
