You don't state the reasons why you think that you need the real-mode
drivers for the CD-RW drive, but if it is because the drive is not displayed
in My Computer and there is an error message displayed beside the drive in
Device Manager, then please have a look at this MSKB article:
CD-ROM Access Is Missing and Messages Cite Error Code 31, Code 32, Code 19,
or Code 39 After You Remove Easy CD Creator in Windows XP http://support.microsoft.com/default.aspx?scid=314060
Please note that the title of the article is a little misleading, as the
problem and its resolution is not limited to the removal of Easy CD Creator.