Toshiba Sound Card Driver Sound Card Driver Needed?

Sound card driver needed? - toshiba sound card driver

I have a Toshiba A200-1AX comes with Windows Vista, formatted, and then Windows XP is installed, the problem with Windows XP recognizes the donesn't High Definition sound card and I need someone who Realtek Realtek sound driver said he expects to 6.0 per someone can help me achieve this pleaassssssssssssss too? 1 !!!!!