Gigabyte GA-P55A-UD3 User Manual

BIOS Setup - 42 -
Prole DDR Voltage
When using a non-XMP memory module or Extreme Memory Prole (X.M.P.) is set to Disabled, this
item will display as 1.5V. When Extreme Memory Prole (X.M.P.) is set to Prole1 or Prole2, this
item will display the value based on the SPD data on the XMP memory.
Prole QPI Voltage
The value displayed here is dependent on the CPU being used.
Channel Interleaving
Options are: Auto (default), 1~6.
Rank Interleaving
Options are: Auto (default), 1~4.
>>>>> Channel A/B Timing Settings
>>>>> Channel A/B Standard Timing Control
CAS Latency Time
Options are: Auto (default), 6~15.
tRCD
Options are: Auto (default), 1~15.
tRP
Options are: Auto (default), 1~15.
tRAS
Options are: Auto (default), 1~31.
>>>>> Channel A/B Advanced Timing Control
tRC
Options are: Auto (default), 1~63.
tRRD
Options are: Auto (default), 1~7.
CMOS Setup Utility-Copyright (C) 1984-2009 Award Software
Channel A Timing 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

>>>>> Channel A Standard Timing Control
x CAS Latency Time 9 Auto
x tRCD 9 Auto
x tRP 9 Auto
x tRAS 24 Auto
>>>>> Channel A Advanced Timing Control
x tRC 33 Auto
x tRRD 4 Auto
x tWTR 5 Auto
x tWR 10 Auto
x tWTP 21 Auto
x tWL 7 Auto
x tRFC 74 Auto
x tRTP 5 Auto
x tFAW 20 Auto
x Command Rate (CMD) 1 Auto
>>>>> Channel A Misc Timing Control
x B2B CAS Delay - Auto
x Round Trip Latency 46 Auto

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