Gigabyte GA-H87-HD3 User Manual page 59

C-1. UEFI RAID Configuration
This mode supports Windows 8 64-bit installation only.
Step 1:
In BIOS Setup, go to BIOS Features and set OS Type to Windows 8 and CSM Support to Never. (Figure 2)
Save the changes and exit BIOS Setup.
Step 2:
After the system reboot, enter BIOS Setup again. Then enter the Peripherals\Intel(R) Rapid Storage Technology
sub-menu (Figure 3).
Figure 2
Figure 3
- 59 - Configuring SATA Hard Drive(s)