Driver for sony optiarc ad 5170 a

is there any chance that somebody has this driver,on site it is forgoten long time ago!
thanks a lot!

Do you mean driver or firmware? There is no driver to download, it comes with your operating system

firmware,i think!sorry.I have the problem:when i whant to burn DVD,like win 7 , 32 bit,nero and ashampoo,it gives me a massage “power calibration error”. i reduced speed,put another dvd…same think.please help!
sorry for bad english!