Gigabyte GA-Z77X-UD5H Manual - Page 56

SATA Controllers Intel Z77 Chipset, xHCI Pre-Boot Driver Intel Z77 Chipset - raid setup

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&& SATA Controller(s) (Intel Z77 Chipset) Enables or disables the integrated SATA controllers. (Default: Enabled) && SATA Mode Selection (Intel Z77 Chipset) Enables or disables RAID for the SATA controllers integrated in the Intel Z77 Chipset or configures the SATA controllers to AHCI mode. IDE Configures the SATA controller to IDE mode. RAID Enables RAID for the SATA controller. AHCI Configures the SATA controllers to AHCI mode. Advanced Host Controller Interface (AHCI) is an interface specification that allows the storage driver to enable advanced Serial ATA features such as Native Command Queuing and hot plug. (Default) && xHCI Pre-Boot Driver (Intel Z77 Chipset) Enabled The USB 3.0 ports are routed to the xHCI controller before booting to OS. (Default) Disabled The USB 3.0 ports are routed to the EHCI controller before booting to OS. When this item is set to Enabled, the xHCI Mode below will be automatically set to Smart Auto; when this item is set to Disabled, the xHCI Mode below will be automatically set to Auto. && xHCI Mode (Intel Z77 Chipset) 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 should follow the steps in Auto, when previous boot routs ports to EHCI. Note: This is the recommended mode when BIOS has xHCI preboot support. (Default) Auto BIOS routes the sharable ports to EHCI controller. Then it uses ACPI protocols to provide an option to enable the xHCI controller and reroute the sharable ports. Note: This is the recommended mode when BIOS does NOT have xHCI pre-boot support. Enabled All shared ports are eventually routed to the xHCI controller during the BIOS boot process. If BIOS does not have pre-boot support for the xHCI controller, it should initially route the sharable ports to the EHCI controller and then prior to OS boot it should route the ports to xHCI controller. Note: OS has to provide support for the xHCI controller in this mode. If the OS does not provide support, all sharable ports won't work. Disabled The USB 3.0 ports are routed to the EHCI controller and the xHCI controller is turned off. All USB 3.0 devices function as High Speed devices regardless of xHCI software support/availability. If this item is set to Disabled, the HS Port #1/2/3/4 Switchable and xHCI Streams items below will become unconfigurable. && HS Port #1 Switchable~HS Port #4 Switchable (Intel Z77 Chipset) Enabled Corresponding USB 3.0 port is routed to xHCI. The USB 3.0 device attached on this port with Super-Speed capability is visible to xHCI controller. (Default) Disabled Corresponding USB 3.0 port is routed to EHCI. The USB 3.0 device attached on this port with Super-Speed capability will function as High-Speed. BIOS Setup - 56 -

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BIOS Setup
- 56 -
SATA Controller(s) (Intel Z77 Chipset)
&
Enables or disables the integrated SATA controllers. (Default: Enabled)
SATA Mode Selection (Intel Z77 Chipset)
&
Enables or disables RAID for the SATA controllers integrated in the Intel Z77 Chipset or configures the
SATA controllers to AHCI mode.
IDE
Configures the SATA controller to IDE mode.
±
RAID
Enables RAID for the SATA controller.
±
AHCI
Configures the SATA controllers to AHCI mode. Advanced Host Controller Interface
±
(AHCI) is an interface specification that allows the storage driver to enable advanced
Serial ATA features such as Native Command Queuing and hot plug. (Default)
xHCI Pre-Boot Driver (Intel Z77 Chipset)
&
Enabled
The USB 3.0 ports are routed to the xHCI controller before booting to OS. (Default)
±
Disabled
The USB 3.0 ports are routed to the EHCI controller before booting to OS.
±
When this item is set to
Enabled
, the
xHCI Mode
below will be automatically set to
Smart Auto
; when this
item is set to
Disabled
, the
xHCI Mode
below will be automatically set to
Auto
.
xHCI Mode (Intel Z77 Chipset)
&
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 should follow the steps in
Auto
, when previous boot
routs ports to EHCI. Note: This is the recommended mode when BIOS has xHCI pre-
boot support. (Default)
Auto
BIOS routes the sharable ports to EHCI controller. Then it uses ACPI protocols to
±
provide an option to enable the xHCI controller and reroute the sharable ports. Note:
This is the recommended mode when BIOS does NOT have xHCI pre-boot support.
Enabled
All shared ports are eventually routed to the xHCI controller during the BIOS boot process.
±
If BIOS does not have pre-boot support for the xHCI controller, it should initially route
the sharable ports to the EHCI controller and then prior to OS boot it should route the
ports to xHCI controller. Note: OS has to provide support for the xHCI controller in this
mode. If the OS does not provide support, all sharable ports won't work.
Disabled
The USB 3.0 ports are routed to the EHCI controller and the xHCI controller is turned
±
off. All USB 3.0 devices function as High Speed devices regardless of xHCI software
support/availability. If this item is set to
Disabled
, the
HS Port #1/2/3/4 Switchable
and
xHCI Streams
items below will become unconfigurable.
HS Port #1 Switchable~HS Port #4 Switchable (Intel Z77 Chipset)
&
Enabled
Corresponding USB 3.0 port is routed to xHCI. The USB 3.0 device attached on this
±
port with Super-Speed capability is visible to xHCI controller. (Default)
Disabled
Corresponding USB 3.0 port is routed to EHCI. The USB 3.0 device attached on this
±
port with Super-Speed capability will function as High-Speed.