MSI X99S SLI PLUS Manual - Manual (Page 72)

Chapter 3
3-10 BIOS Setup 3-11 BIOS Setup
▶sSATA Mode [AHCI Mode] (For SATA7~10)
Sets the operation mode of the onboard 2nd SATA controller.
[IDE Mode] Specify the IDE mode for SATA storage devices.
[AHCI Mode] Specify the AHCI mode for SATA storage devices. AHCI (Advanced
Host Controller Interface) offers some advanced features to enhance
the speed and performance of SATA storage device, such as Native
Command Queuing (NCQ) and hot-plugging.
▶SATAX Hot Plug [Disabled]
Allows user to enable or disable the SATA hot plug support. This item will appear
when the “SATA Mode” set to [AHCI].
[Enabled] Enables hot plug support for the SATA ports.
[Disabled] Disables hot plug support for the SATA ports.
▶HD Audio Controller [Enabled]
Enables or disables the onboard High Definition Audio controller.
▶HPET [Enabled]
Enables or disables the HPET (High Precision Event Timers) support.
▶USB Configuration
Sets the onboard USB controller and device function. Press <Enter> to enter the sub-
menu.
▶USB Controller [Enabled]
Enables or disables all USB controller.
▶XHCI Hand-off [Enabled]
Enables or disables XHCI hand-off support for the operating system without XHCI
hand-off feature.
▶EHCI Hand-off [Enabled]
Enables or disables EHCI hand-off support for the operating system without EHCI
hand-off feature.
▶Legacy USB Support [Enabled]
Sets Legacy USB function support.
[Auto] The system will automatically detect if any USB device is connected
and enables or disables the legacy USB support.
[Enabled] Enables the USB support for legacy operating systems that do not
support USB.
[Disabled] The USB devices are available only for UEFI applications.
▶Power Management Setup
Sets system Power Management of EuP2013 and AC Power Loss behaviors. Press
<Enter> to enter the sub-menu.