MSI X99s Gaming 7 Manual

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 &EHCI Hand-off
 Determines whether to enable EHCI Hand-off feature for an operating system without EHCI Hand-off 
support.	(Default:	Disabled)
 &USB Storage Devices
 Displays a list of connected USB mass storage devices. This item appears only when a USB storage device 
is installed.
 &Two Layer KVM Switch
 Set to Enabled	to	 ensure	 proper	device	functionality	 when	chaining	 two	KVM	 switches.	 (Default:	Disabled)
 `Intel(R) Ethernet Network Connection (LAN2)
	 This	sub-menu	provides...

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 `PCH	sSATA	Configuration	(sSATA3	0~3	Connectors)
 &sSATA Controller
	 Enables	 or	disables	 the	integrated	 SATA	controllers	 that	control	 the	sSATA3	 0~3	connectors.	 (Default:	
Enabled)
 &Configure	sSATA 	as	
	 Allows	you	to	decide	whether	to	configure	the	SATA 	controllers	to	AHCI	mode.
 IDE	 	 	 Configures	the	SATA 	controllers	to	IDE	mode.
 AHCI	 	 		
Configures	the	SATA 	controllers	 to	AHCI	 mode.	 Advanced	 Host	Controller	 Interface	
(AHCI)	is	an	 interface	 specification...

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 `SATA Mode options
	 This	sub-menu	provides	SATA-related	configuration	options.
 &sSATA Port 0/1/2/3
	 Enables	or	disables	each	SATA	port.	(Default:	Enabled)
 &Hot plug
	 Enables	or	disable	the	hot	plug	capability	for	each	SATA 	port.	(Default:	Disabled)
 &sSATA Device Type
	 Allows	you	to	select	the	type	of	the	device	connected	to	the	SATA 	port.	(Default:	Hard	Disk	Drive)
 `PCH	SATA	Configuration	(SATA3	0~5	Connectors)
 &SATA Controller
	 Enables 	or	 disables	 the	integrated	 SATA	controllers...

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 &XHCI Mode
 Allows you to determine the operating mode for the xHCI controller in OS.
 Smart Auto     This mode is available only when the BIOS supports the xHCI controller in the pre-boot 
environment. This mode is similar to Auto, but it adds the capability to route the ports 
to	xHCI	 or	EHCI	 according	 to	setting	 used	in	previous	 boots	(for	non-G3	 boot)	in	the	
pre-boot environment. This allows the use of USB 3.0 devices prior to OS boot. xHCI 
controller enabling and rerouting...

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 &AC BACK
 Determines the state of the system after the return of power from an AC power loss.
 Always	Off	 	 	
The	system	stays	off	upon	the	return	of	the	 AC	power.	(Default)
 Always On   The system is turned on upon the return of the AC power.
 Memory   The system returns to its last known awake state upon the return of the \
AC power.
 &Power On By Keyboard
 Allows the system to be turned on by a PS/2 keyboard wake-up event.
 Note: To use this function, you need an ATX power...

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 &ErP
	 Determines	whether	to	let	the	system	consume	least	power	in	S5	(shutdown)	state.	(Default:	Disabled)
 Note: When this item is set to Enabled, the following functions will become unavailable: Resume by Alarm, 
PME event wake up, power on by mouse, power on by keyboard, and wake on \
LAN.
 &Soft-Off by PWR-BTTN
	 Configures	the	way	to	turn	off	the	computer	in	MS-DOS	mode	using	the	power	button.
 Instant-Off	 	 Press	the	power	button	and	then	the	system	will	be	turned	off	instantly....

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2-9 Save & Exit
 &Save & Exit Setup
 Press  on this item and select Yes. This saves the changes to the CMOS and exits the BIOS Setup 
program. Select No or press  to return to the BIOS Setup Main Menu.
 &Exit Without Saving
 Press  on this item and select Yes. This exits the BIOS Setup without saving the changes made 
in BIOS Setup to the CMOS. Select No or press  to return to the BIOS Setup Main Menu.
 &Load Optimized Defaults
 Press  on this item and select Yes to load the optimal BIOS default...

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BIOS Setup  

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Chapter	3	 Configuring	SATA	Hard	Drive(s)
To	configure	SATA 	hard	drive(s),	follow	the	steps	below:
A. Install	SATA	hard	drive(s)	in	your	computer.	
B. Configure	SATA 	controller	mode	in	BIOS	Setup.
C. Configure	a	RAID	array	in	RAID	BIOS.	(Note	1)
D. Install the SATA RAID/AHCI driver and operating system. (Note	2)
Before you begin, please prepare the following items:
 •At	least	 two	SATA 	hard	 drives	 (to	ensure	 optimal	 performance,	 it	is	 recommended	 that	you	use	two	hard	 drives 	
with...

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The BIOS Setup menus described in this section may differ from the exact settings for your motherboard. 
The actual BIOS Setup menu options you will see shall depend on the moth\
erboard you have and 
the BIOS version.
B.	Configuring	SATA	controller	mode	in	BIOS	Setup
Make	sure	to	configure	the	SATA 	controller	mode	correctly	in	system	BIOS	Setup.
Step 1: 
Turn	on	your	 computer	 and	press	 	 to	enter	 BIOS	 Setup	 during	 the	POST 	(Power-On	 Self-Test).	Go	to	
Chipset\PCH	 SATA	Configuration,...