MSI E7320 Master-S User Manual page 67

Adaptec SATA RAID Utility for Intel ICH-HR
Adaptec RAID Configuration (ARC) Utility—Part of the controller's built-in
BIOS code. You start ARC by pressing Ctrl+A during BIOS startup. For details,
see Adaptec RAID Configuration Utility.
Array Configuration Utility (ACU)—A DOS/BIOS application used to create,
configure, and manage arrays. For details, see Adaptec RAID Configuration
Utility.
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