how to calibrate gigabyte m912 touchscreen

Hello all i have a gigabyte m912 netbook running opensuse 11.2 and kde. The hardware is almost the same with other netbooks but also has touchscreen wich works but is not calibrated. At first i had some problems runnung sax but know it load fine but don’t know what to do to calibrate the screen, in the hardware section i found that my screen model is chi mei n089a1-l01 but there isn’t such model in the sax. can anyone help me on how to calibrate my screen? any good tutorial? thanks in advanced maxsap