The latest Intel RST driver (10.5.0.1027) and suitable BIOS (the latest version) are available from the ASRock website. ASRock recommends to users to update both BIOS and Intel RST driver to the latest version. Below are links to the latest BIOS and drivers:
Intel Smart Response Technology dramatically increases the efficiency of the user’s storage system. For users who would like to connect an SSD and HDD to a ASRock Z68 motherboard, the Intel Smart Response Technology can make the SSD become the “Cache of the HDD” to boost up the HDD access speed.