ASRock Z97 Extreme4 RAID Installation Guide - Page 8

2.4 Configuring a RAID array You can configure a RAID array using either UEFI Setup Utility or Intel® RAID BIOS setup utility, depending on the HDD capacity and the OS you are installing. Please refer to the table below to choose the corresponding RAID Utility. OS HDD Capacity Ultra Fast Boot Over 2.2 TB Not supported Windows 7 Under 2.2 TB Not supported Option ROM Setting UEFI SETUP UTILITY\Boot\ CSM [Launch Storage n/a OpROM policy] = [UEFI only] Required RAID Utility UEFI Setup Utility Intel® RAID BIOS setup utility OS HDD Capacity Ultra Fast Boot Windows 8.1 / 8 Under 2.2 Over 2.2 TB TB Over 2.2 TB Enabled Enabled Disabled Under 2.2 TB Disabled UEFI SETUP UTILITY\ Option ROM Boot\CSM [Launch n/a n/a n/a Setting Storage OpROM policy] = [UEFI only] Required UEFI Setup UEFI Setup UEFI Setup RAID Utility Utility Utility Utility Intel® RAID BIOS setup utility 8