jumber

hi my sys is p4 1.7 ,256 rd ram, intel 850 mv mtherbrd,ati radeon 9200se 128mb, samsung cd rw, lg dvd rw,winxp sp1 now my problem is that i m unable to run both the cd rw as well as the dvd rw the jumber settings for samsung cd rw is set on secondary master and the jumber settings for...