Gigabyte GA-P55A-UD3 User Manual

- 17 - Hardware Installation
1-4-2 Installing a Memory
Notch
DDR3 DIMM
Before installing a memory module, make sure to turn off the computer and unplug the power
cord from the power outlet to prevent damage to the memory module.
DDR3 and DDR2 DIMMs are not compatible to each other or DDR DIMMs. Be sure to install
DDR3 DIMMs on this motherboard.
ADDR3memorymodulehasanotch,soitcanonlytinonedirection.Followthestepsbelowtocorrectly
install your memory modules in the memory sockets.
Step 1:
Note the orientation of the memory module. Spread the retaining
clips at both ends of the memory socket. Place the memory module
onthesocket.Asindicatedinthepictureontheleft,placeyourn-
gers on the top edge of the memory, push down on the memory and
insert it vertically into the memory socket.
Step 2:
The clips at both ends of the socket will snap into place when the
memory module is securely inserted.

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