OK. Read carefully & insert the lines EXACTLY as stated below.

Download UNIIDE.

Extract the files to a Temporary directory on your HDD.

Copy MSCDEX.EXE & CDROM.SYS to your bootable floppy disk.

Edit the CONFIG.SYS on the Floppy & insert this line :- DEVICE=A:\CDROM.SYS /D:OEMCD

Edit the AUTOEXEC.BAT on the Floppy & insert this line :- A:\MSCDEX.EXE /D:OEMCD

When you have done this, save the files to the flopy & reboot.

Your cd-rom should now be active when booting from the floppy disk.