Actually the problem was i could not record sound. and when external speakers were functional and I inserted my headphone into the jack no audio output in the jack . jop advised me to upgrade my ALSA . as I was running SLED 10 SP 1 he asked to receive all the updates but that was a time consuming process so I directly downloaded the latest alsa for SLED from Suse build service and installed ...and the rest configuration I did as jop asked me to do... and the problem was solved...I proudly say that now all of my hardware works with linux