This package contains the Intel Serial ATA (SATA) Advanced Host Controller Interface (AHCI) Controller Driver for the supported notebook models and operating systems. This package is used to create a diskette that is needed during a new operating system installation to ensure that the notebook hard drive is detected and usable for the installation. Please do not forget to check with our site as often as possible in order to stay updated on the latest drivers, software and games. Note: Try to set a system restore point before installing a device driver. It will help you restore system if installed driver not complete.