Asus RS520-E6/RS8 - Manual (Page 97)

ASUS RS520-E6/RS8 6-3
6.1.3 RAID controller selection
You can choose either the LSI Software RAID Configuration Utility or the Intel
Matrix Storage Manager as the default utility to create RAID set(s). See 5. RAID
configuration utility selection on page 4-6 for details.
6.1.4 Setting the RAID item in BIOS
You must enable the RAID function in the BIOS Setup before creating RAID set(s)
using SATA HDDs. To do this:
1. Enter the BIOS Setup during POST.
2. Go to the Main menu > IDE Configuration, and then press <Enter>.
3. Set the Configure SATA as item to [RAID].
4. Save your changes, and then exit the BIOS Setup.
Refer to Chapter 5 for details on entering and navigating through the BIOS
Setup.