Gigabyte GA-P55A-UD6 User Manual

- 21 - Hardware Installation
1-8 Back Panel Connectors
USB 2.0/1.1 Port
The USB port supports the USB 2.0/1.1 specication. Use this port for USB devices such as a USB key-
board/mouse, USB printer, USB ash drive and etc.
PS/2 Keyboard/Mouse Port
Use this port to connect a PS/2 mouse or keyboard.
Optical S/PDIF Out Connector
This connector provides digital audio out to an external audio system that supports digital optical audio.
Before using this feature, ensure that your audio system provides an optical digital audio in connector.
Coaxial S/PDIF Out Connector
This connector provides digital audio out to an external audio system that supports digital coaxial audio.
Before using this feature, ensure that your audio system provides a coaxial digital audio in connector.
IEEE 1394a Port
The IEEE 1394 port supports the IEEE 1394a specication, featuring high speed, high bandwidth and
hotplug capabilities. Use this port for an IEEE 1394a device.
eSATA/USB Combo Connector
This connector supports SATA 3Gb/s and USB 2.0/1.1 specication. Use the port to connect an external
SATA device; or use this port for USB devices such as a USB keyboard/mouse, USB printer, USB ash
drive and etc.
RJ-45 LAN Port
The Gigabit Ethernet LAN port provides Internet connection at up to 1 Gbps data rate. The following de-
scribes the states of the LAN port LEDs.
Activity LED:
State Description
Blinking Data transmission or receiving is occurring
Off No data transmission or receiving is occurring
Connection/Speed LED:
State Description
Orange 1 Gbps data rate
Green 100 Mbps data rate
Off 10 Mbps data rate
Activity LED
Connection/
Speed LED
LAN Port
• When removing the cable connected to a back panel connector, rst remove the cable from your
device and then remove it from the motherboard.
• When removing the cable, pull it straight out from the connector. Do not rock it side to side to
prevent an electrical short inside the cable connector.

Gigabyte GA-P55A-UD6 Specifications

General

Memory voltage	1.5 V
Number of memory slots	6
Maximum internal memory	16 GB
Processor socket	LGA 1156 (Socket H)
Processor manufacturer	Intel
USB 2.0 connectors	2
Power fan connector	Yes
Number of SATA connectors	8
AGP x8 slots	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
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 ALC889
Motherboard chipset	Intel® P55
Audio output channels	7.1 channels
Motherboard form factor	ATX
Compatible operating systems	Win XP, Vista, 7
PCI Express x16 slots	3
RAID levels	0, 1, 10
Bundled software	Norton Internet Security
Networking features	10/100/1000 Mbit
BIOS memory size	32 Mbit

Weight and Dimensions

Depth	244 mm
Width	305 mm