Gigabyte GA-P55A-UD3 User Manual

- 41 - BIOS Setup
CPU Clock Skew
Allows you to set the CPU clock prior to the Chipset clock.
Options are: 0ps~750ps. (Default: 0ps)
CMOS Setup Utility-Copyright (C) 1984-2009 Award Software
Advanced Memory Settings
higf
: Move Enter: Select +/-/PU/PD: Value F10: Save ESC: Exit F1: General Help
F5: Previous Values F6: Fail-Safe Defaults F7: Optimized Defaults
Item Help
Menu Level

 ExtremeMemoryProle(X.M.P.)
(Note)
[Disabled]
System Memory Multiplier (SPD) [Auto]
Memory Frequency (Mhz) 1333 1333
Performance Enhance [Turbo]
DRAM Timing Selectable (SPD) [Auto]
 ProleDDRVoltage   1.5V
 ProleQPIVoltage   1.1V 
x Channel Interleaving 6 Auto
x Rank Interleaving 4 Auto
>>>>> Channel A

Channel A Timing Settings [Press Enter]
>>>>> Channel B

Channel B Timing Settings [Press Enter]

Advanced Memory Settings
(Note) This item appears only if you install a memory module that supports this feature.
Extreme Memory Prole (X.M.P.)
(Note)
Allows the BIOS to read the SPD data on XMP memory module(s) to enhance memory performance
when enabled.
Disabled Disables this function. (Default)
Prole1  UsesProle1settings.
Prole2
(Note)
 UsesProle2settings.
System Memory Multiplier (SPD)
Allows you to set the system memory multiplier. Auto sets memory multiplier according to memory SPD
data. (Default: Auto)
Memory Frequency(Mhz)
 The rst memory frequency valueis the normaloperating frequency ofthememory being used; the
second is the memory frequency that is automatically adjusted according to the BCLK Frequency(Mhz)
and System Memory Multiplier settings.
Performance Enhance
Allows the system to operate at three different performance levels.
Standard Lets the system operate at its basic performance level.
Turbo Lets the system operate at its good performance level. (Default)
Extreme Lets the system operate at its best performance level.
DRAM Timing Selectable (SPD)
Quick and Expert allows the Channel Interleaving and Rank Interleavingitemsto becongurable.
Options are: Auto (default), Quick, Expert.

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