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Gigabyte GA-P67A-UD7-B3 Intel P67 Motherboard Review

Gigabyte GA-P67A-UD7-B3 Intel P67 Motherboard Review - PCSTATS
Abstract: This is a performance-oriented motherboard with a great set of gamer-friendly options, overclocking tools and extensive connectivity list in a hefty matt-black package that looks fantastic.
 80% Rating:   
Filed under: Motherboards Published:  Author: 
External Mfg. Website: Gigabyte Jan 03 2012   Max Page  
Home > Reviews > Motherboards > Gigabyte GA-P67A-UD7-B3

Gigabyte 3X USB Power Boost

The Gigabyte GA-P67A-UD7-B3 motherboard draws its USB 3.0 from a combination of sources; the Intel P67 chipset and two VLI VL810 hubs / NEC Renesas D720200 controllers. There is a mode in the BIOS called "Tubro USB 3.0" which if activated enables the second NEC Renesas D720200 controller to switch to a direct connection with the Intel socket 1155 processor, essentially circumventing the Intel P67 chipset.

If this is done several USB 3.0 ports will end up sharing bandwidth with the PCI Express x8 lanes devoted to the videocards, so unfortunately that means if you want to use the USB 3.0 ports in this mode you will be restricted to a single videocard operating in PCI Express x8 mode if we understand the manual correctly.

Gigabyte has also increased the amount of power supplied by the USB ports, so devices like an Apple iPad can be recharged. Standard USB 2.0 ports are limited to 500mA maximum load and the USB 3.0 specification increases this to 900mA. On the Gigabyte GA-P67A-UD7-B3 motherboard these values are increased to a maximum of 1500mA for USB 2.0, 2700mA for USB 3.0 ports.

In addition the fusing behind each USB port has been improved. Traditional fusing typically reduces available power from the nominal 5V, to 4.6V.


Each USB port is protected by a solid-state fuse, that according to Gigabyte is 4X more power efficient.

Solid state fuses like the ones pictures above are standard to all recent motherboards and you'll find them near every USB or Firewire port if you look. Higher tolerance fuses are installed on this platform so power drop is reduced to 4.8V we are told, rather than 4.6V. USB voltage levels can impact device stability and the number of devices able to be connected to each port.

Additionally, one USB header is designed to continue to receive power even when the PC system is powered off, so iPad/iPod/iPhones/cellphones/MP3 players can be plugged in and charged up without having to leave the rest of the computer on.

Overclocking features are represented in the Gigabyte GA-P67A-UD7-B3 BIOS as you might expect. A brief look at the overclocking options is next.

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Contents of Article: Gigabyte GA-P67A-UD7-B3
 Pg 1.  Gigabyte GA-P67A-UD7-B3 Intel P67 Motherboard Review
 Pg 2.  360-Degree Motherboard Gallery: GA-P67A-UD7-B3
 Pg 3.  360-Degree Motherboard Gallery - Part 2
 Pg 4.  360-Degree Motherboard Gallery - Part 3
 Pg 5.  — Gigabyte 3X USB Power Boost
 Pg 6.  Intel P67 B3-Stepping Chipset & LGA1155 Heatsinks
 Pg 7.  Inside Gigabyte's BIOS
 Pg 8.  Overclocking and Test System Specs
 Pg 9.  Test System Hardware & Specs
 Pg 10.  Sysmark 2007 - Workstation Motherboard Benchmarks
 Pg 11.  SiSoft Sandra - CPU Motherboard Benchmarks
 Pg 12.  Sandra: Memory - Motherboard Benchmarks:
 Pg 13.  PCMark Vantage - System Motherboard Benchmarks
 Pg 14.  3DMark 11 - Gaming Motherboard Benchmarks
 Pg 15.  3DMark Vantage - Gaming Motherboard Benchmarks
 Pg 16.  3DMark06 - Gaming Motherboard Benchmarks
 Pg 17.  FEAR - Gaming Motherboard Benchmarks
 Pg 18.  Conclusions and Total System Power Draw

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