Gigabyte X99 Gaming 5 Manual

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 &Reset Case Open Status
 Disabled	 	 Keeps	or	clears	the	record	of	previous	chassis	intrusion	status.	(Default)
 Enabled     Clears the record of previous chassis intrusion status and the Case Open	field	 will	
show "No" at next boot.
 &Case Open
 Displays the detection status of the chassis intrusion detection device attached to the motherboard CI 
header.	 If	the	 system	 chassis	 cover	is	removed,	 this	field	 will	show	 "Yes",	 otherwise	 it	will	 show	 "No"....

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 &Fan Speed Percentage
	 Allows	you	to	control	 the	fan	speed.	 This	item	is	configurable	 only	when	CPU OPT Fan Speed Control is 
set to Manual. Options are: 0.75 PWM value /oC	~	2.50	PWM	value	/oC.
 &1st System Fan Speed Control (SYS_FAN1 Connector)
  Allows you to determine whether to enable the fan speed control function and adjust the fan speed.
 Normal      Allows the fan to run at different speeds according to the system temperature. You 
can adjust the fan speed with System...

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 `Miscellaneous Settings
 &PCIe	Slot	Configuration
 Allows you to set the operation mode of the PCI Express slots to Gen 1, Gen 2, or Gen 3. Actual operation 
mode	 is	subject	 to	the	 hardware	 specification 	of	 each	 slot.	Auto	lets	 the	BIOS	 automatically	 configure	this	
setting.	(Default:	 Auto)
 &3DMark01 Enhancement
	 Allows	you	to	determine	whether	to	enhance	some	legacy	benchmark	performance. 	(Default:	Disabled)
BIOS Setup  

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2-4 System Information
This section provides information on your motherboard model and BIOS version. You can also select the default 
language used by the BIOS and manually set the system time.
 &System Language
 Selects the default language used by the BIOS.
 &System Date
	 Sets	the	system	 date.	The	date	format	is	week	(read-only),	month,	date,	and	year.	Use		to	switch	
between	 the	Month,	 Date,	and	Year	 fields	 and	use	the		or		 key	to	set	 the	 desired	
value.
 &System Time
  Sets the system...

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2-5 BIOS Features
 &Boot Option Priorities
	 Specifies	 the	overall	 boot	order	 from	the	available	 devices.	Removable	 storage	devices	 that	support	 GPT	
format	 will	be	prefixed	 with	"UEFI:"	 string	on	the	 boot	 device	 list.	To	boot	 from	 an	operating	 system	that	
supports	GPT 	partitioning,	select	the	device	prefixed	with	"UEFI:"	string.
 Or if you want to install an operating system that supports GPT partitioning such as Windows 7 64-bit, select 
the	optical	drive	that...

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 &SATA Support
 All Sata Devices    All SATA devices are functional in the operating system and during the POST. 
(Default)
 Last Boot HDD Only   Except for the previous boot drive, all SATA devices are disabled before the OS 
boot process completes.
	 This	item	is	configurable	only	when	Fast Boot is set to Enabled or Ultra Fast.
 &VGA Support
 Allows you to select which type of operating system to boot.
 Auto        Enables legacy option ROM only.
 EFI	Driver	 	 	 Enables	EFI...

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 &Storage Boot Option Control
 Allows you to select whether to enable the UEFI or legacy option ROM for the storage device controller.
 Do not launch    Disables option ROM.
 Legacy	 	 	 Enables	legacy	option	 ROM	only.	(Default)
 UEFI       Enables UEFI option ROM only.
	 This	item	is	configurable	only	when	CSM Support is set to Enabled.
 &Other PCI Device ROM Priority
 Allows you to select whether to enable the UEFI or Legacy option ROM for\
 the PCI device controller other 
than...

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2-6 Peripherals
 &Initial Display Output
	 Specifies	the	first	initiation	of	the	monitor	display	from	the	PCI	Express	graphics	cards.
 PCIe	1	Slot		 Sets	the	graphics	card	on	the	PCIE_1	slot	as	the	first	display.	(Default)
 PCIe	2	Slot		 Sets	the	graphics	card	on	the	PCIE_2	slot	as	the	first	display.
 PCIe	3	Slot		 Sets	the	graphics	card	on	the	PCIE_3	slot	as	the	first	display.
 PCIe	4	Slot		 Sets	the	graphics	card	on	the	PCIE_4	slot	as	the	first	display.
 &OnBoard LAN...

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 &Legacy USB Support
	 Allows	USB	keyboard/mouse	to	be	used	in	MS-DOS.	(Default:	Enabled)
 &XHCI Hand-off
 Determines whether to enable XHCI Hand-off feature for an operating system without XHCI Hand-off 
support.	(Default:	Enabled)
 &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...

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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...