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Gigabyte GA-P55A-UD4P Intel P55 Express Motherboard Review

Gigabyte GA-P55A-UD4P Intel P55 Express Motherboard Review - PCSTATS
Abstract: Top of the list is Gigabyte's 333 Onboard Acceleration marketing pitch, which in real world terms is USB2.0 slots capable of outputting higher voltages to power external hard drives and the like, a pair of 4800Mb/s SuperSpeed USB 3.0 ports for high-speed peripherals care of the brand new NEC PD720200 controller and 6.0 GB/s SATA III.
 87% Rating:   
Filed under: Motherboards Published:  Author: 
External Mfg. Website: Gigabyte Feb 03 2010   J. Apong  
Home > Reviews > Motherboards > Gigabyte GA-P55A-UD4P

Overclocking the Core i5 / BIOS Screenshots

Overclocking Results:
Stock Max. OC
Motherboard BCLK Speed: 133 MHz

210 MHz

If you're new to Overclocking and not sure what to do, check out these two excellent Guides for some pointers:
Overclocking the CPU and Memory
Overclocking the Videocard

Socket 1156 Intel Core i5 processors contain an integrated memory controller that takes overclocking into somewhat of a new realm. Overclocking methodologies change along with CPU architectures, and this time around the good old Front Side Bus is nowhere to be seen. A new timing called the motherboard base clock (BCLK), set by default at 133MHz, is what PCSTATS will be overclocking on the Gigabyte GA-P55A-UD4P motherboard today.

PCSTATS will be overclocking the Intel P55 Express based Gigabyte GA-P55A-UD4P motherboard with an Intel Core i5 750 processor installed. Before the overclocking session began, the CPU multiplier was changed from 20X to 12X so it won't hold the system back.

The DDR3-1333 memory was changed to run in DDR3-800 MHz mode for the same reasons. These changes are done because PCSTATS is only interested in finding the maximum base clock (BCLK) the Gigabyte GA-P55A-UD4P motherboard can sustain... the higher, the better!

Starting off from a BCLK of 133MHz, the Gigabyte GA-P55A-UD4P was slowly overclocking in 25MHz jumps, first to 150MHz, the 175MHz, 195MHz and 210MHz. Beyond this point the Core i5 750 processor has a hard time, but for fun 215MHz was attempted.... No luck. The board quickly BSOD just past the POST screen.

After a bit of fiddling we ended up sticking with a maximum overclocked BCLK of 210MHz from the GA-P55A-UD4P motherboard. About average from what PCSTATS has been seeing from the Intel P55 Express chipset thus far.

Inside the BIOS - OC and Memory Tuning Options

Gigabyte's status page gives a readout on most of the important numbers for the GA-P55A-UD4P motherboard and its attached memory and CPU slots.

Most of the major overclocking features of the GA-P55A-UD4P are controlled from the Advanced Frequency Settings page and the Advance CPU Core Features page. CPU multipliers, BCLK speeds and memory speeds can all be adjusted here.

Voltage control for the CPU, chipset, PCI Express graphics controller and DDR3 memory can be adjusted individually for system tuning or diagnostic purposes.

SATA 6GB/s (called SATA3 here) and USB 3.0 can be toggled on and off in the BIOS.

Finally most of the on-board peripherals can be toggled on and off in the BIOS. This can have a small impact on performance, but for the most case you can leave these on unless you need to troubleshoot motherboard problems.

Let's get the GA-P55A-UD4P hooked up to the test bench, it's time to put this motherboard through its paces.

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Contents of Article: Gigabyte GA-P55A-UD4P
 Pg 1.  Gigabyte GA-P55A-UD4P Intel P55 Express Motherboard Review
 Pg 2.  Gigabyte 333 - 6Gb/s SATA III, Intel P55 Chipset
 Pg 3.  Motherboard Highlights Photo Gallery
 Pg 4.  — Overclocking the Core i5 / BIOS Screenshots
 Pg 5.  PC Power Draw and Test System Specs
 Pg 6.  Motherboard Benchmarks: Sysmark 2007
 Pg 7.  Motherboard Benchmarks: SiSoft Sandra - Processor
 Pg 8.  Motherboard Benchmarks: Sandra - Memory
 Pg 9.  Motherboard Benchmarks: PCMark Vantage
 Pg 10.  Motherboard Benchmarks: 3DMark06, Vantage, FEAR
 Pg 11.  Motherboard with USB3 = Future-Proof Solutio

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