Sony VAIO VGN-CS21S/T Windows XP 64 bits drivers sonyvaioteam 13 years ago Application / Utility – SonicStage Mastering Studio Writing Function Update Program – 1.0.00.04130 Application / Utility – VAIO Media Plus – 1.0.3.15070 Application / Utility – VAIO Update – 5.1.1.04090