ASROCK Z97 Extreme6/ac User Manual page 94

Dynamic Storage Accelerator
Keep this option enabled for higher HDD and SDD I/O performance, lower latency and
increased system responsiveness.
Hard Disk S.M.A.R.T.
S.M.A.R.T stands for Self-Monitoring, Analysis, and Reporting Technology. It is a
monitoring system for computer hard disk drives to detect and report on various
indicators of reliability.
M2_2/SATA3_4, SATA3_5 Switch
Auto: M2_2/SATA3_4, SATA3_5 auto switch
Force_SATA: Switch to SATA3_4, SATA3_5
Force_M2_2: Switch to M2_2
ASMedia SATA3 Mode
IDE: For better compatibility.
AHCI: Supports new features that improve performance.
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