I have not had any luck in configuring an Asus Z87 Pro motherboard BIOS Version 1602 for an SSD as the OS drive and 2 x 1TB Seagate drives in a Raid 1. In the UEFI BIOS - SATA sets all Intel ports to AHCI or Raid and the Boot Menu can not specify a particular drive either all Hard Drives or Boot Drives only.