Asus SABERTOOTH 990FX - Manual (Page 80)

3-18 Chapter 3: BIOS setup
Chapter 3
SATA Port5-Port6 [AHCI]
Allows you to set the SATA configuration. This item appears only when you set the OnChip
SATA Channel item to [Enabled].
[IDE] Set to [IDE] when you want to use the Serial ATA hard disk drives as
Parallel ATA physical storage devices.
[AHCI] Set to [AHCI] when you want the SATA hard disk drives to use the AHCI
(Advabced Host Controller Interface). The AHCI allows the onboard
storage driver to enable advanced Serial ATA features that increases
storage performance on random workloads by allowing the drive to
internally optimize the order of commands.
You can only set SATA Port5-Port6 to [IDE] if Port1-Port4 is set to [IDE].
S.M.A.R.T. Status Check [Enabled]
S.M.A.R.T. (Self-Monitoring, Analysis and Reporting Technology) is a monitor system. When
read/write of your hard disk errors occur, this feature allows the hard disk to report warning
messages during the POST.
Configuration options: [Disabled] [Enabled]
SATA Hot Plug on PORT1-6 [Disabled]
Allows you to set SATA Hot Plug on PORT1-6 to external SATA port.
Configuration options: [Disabled] [Enabled]