Gigabyte GA-P55A-UD3 User Manual

BIOS Setup - 51 -
PCH SATA Control Mode (Intel P55 Chipset)
 EnablesordisablesRAIDfortheSATAcontrollersintegratedintheIntelP55Chipsetorconguresthe
SATA controllers to AHCI mode.
IDE   DisablesRAIDfortheSATAcontrollersandcongurestheSATAcontrollerstoIDE
mode. (Default)
RAID(XHD) Enables RAID for the SATA controllers.
AHCI   CongurestheSATAcontrollerstoAHCImode.AdvancedHostControllerInterface
     (AHCI)isaninterfacespecicationthatallowsthestoragedrivertoenableadvanced
Serial ATA features such as Native Command Queuing and hot plug.
SATA Port0-3 Native Mode (Intel P55 Chipset)
SpeciestheoperatingmodeoftheintegratedSATAcontrollers.
Disabled Allows the SATA controllers to operate in Legacy IDE mode.
In Legacy mode the SATA controllers use dedicated IRQs that cannot be shared with
other device. Set this option to Disabled if you wish to install operating systems that
do not support Native mode.
Enabled Allows the SATA controllers to operate in Native IDE mode.
Enable Native IDE mode if you wish to install operating systems that support Native
mode. (Default)
USB Controllers
Enables or disables the integrated USB 1.0 controller. (Default: Enabled)
Disabled will turn off all of the USB functionalities below.
USB Legacy Function
Allows USB keyboard to be used in MS-DOS. (Default: Enabled)
USB Storage Function
 Determineswhether to detect USB storage devices, including USB ash drivesandUSBhard drives
during the POST. (Default: Enabled)
Turbo SATA3 / USB3.0 (Marvell 9128 /NEC USB 3.0 Controller)
Determines whether to set the PCIe speed of the Marvell 9128 or NEC USB 3.0 controller to PCIe Gen 2.
Please note that when only one graphics card is installed on the PCIEX16 slot, it will operate at up to x8
mode if either one of the two controllers is set to PCIe Gen 2.
Auto   LetstheBIOSautomaticallycongurethissetting,dependingonthedeviceinstalled.
(Default)
Turbo SATA3 Sets the PCIe speed of the Marvell 9128 controller to PCIe Gen 2.
Turbo USB3.0 Sets the PCIe speed of the NEC USB 3.0 controller to PCIe Gen 2.
Disabled Disabled forces the Marvell 9128 and NEC USB 3.0 controllers to PCIe Gen 1.
Azalia Codec
Enables or disables the onboard audio function. (Default: Auto)
If you wish to install a 3rd party add-in audio card instead of using the onboard audio, set this item to Disabled.
Onboard H/W LAN
Enables or disables the onboard LAN function. (Default: Enabled)
I f you wish to install a 3rd party add-in network card instead of using the onboard LAN, set this item to Disabled.
Green LAN
When the onboard LAN function and Green LAN are enabled, the system will dynamically detect if a
LAN cable is connected or not. If not, the corresponding LAN controller will be disabled automatically.
(Default: Disabled)

Gigabyte GA-P55A-UD3 Specifications

General

Non-ECC	Yes
Memory voltage	1.5 V
Number of memory slots	4
Maximum internal memory	16 GB
Processor socket	LGA 1156 (Socket H)
Processor manufacturer	Intel
USB 2.0 connectors	2
Number of SATA connectors	8
Number of EATX power connectors	0
Special features	@BIOS Q-Flash Xpress BIOS Rescue Download Center Xpress Install Xpress Recovery2
Controller interface type	iTE IT8720
Controller 2nd interface type	ATA-133/100/66/33
Headphone outputs	6
PS/2 ports quantity	1
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Audio chip	Realtek ALC888
Motherboard chipset	Intel® P55
Audio output channels	7.1 channels
Motherboard form factor	ATX
Compatible operating systems	Win XP, Vista, 7
PCI slots	3
Bundled software	Norton Internet Security
Networking features	10/100/1000 Mbit
RAID levels	0, 1, 10
BIOS memory size	32 Mbit

Weight and Dimensions

Depth	244 mm
Width	305 mm