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Gigabyte GA-P67A-UD7 Intel P67 Motherboard - FIRST LOOK

Gigabyte GA-P67A-UD7 Intel P67 Motherboard - FIRST LOOK - PCSTATS
Abstract: Today PCSTATS is giving you a first look at the new flagship Intel P67 motherboard from Gigabyte called the GA-P67A-UD7. There's a lot for computer enthusiasts, gamers and overclockers to get excited about with this particular board, not the least of which is 3-way SLI/Crossfire videocard support, a Port 80 card, (10) USB 3.0 ports, (6) SATA 6GB/s ports and a good dose of engineering....
Filed under: Motherboards Published:  Author: 
External Mfg. Website: gigabyte Dec 03 2010   Max Page  
Home > Reviews > Motherboards > gigabyte GA-P67A-UD7

Fine Tuning the GA-P67A-UD7

Motherboards can look alike from afar, but once you begin building a computer system with one you quickly realize where extra time has been spent to make your life easier. A physical power and reset switch are easily accessible on the Gigabyte GA-P67A-UD7 motherboard, to the left is the clear CMOS button.


Physical power and reset buttons you won't confuse with the CMOS reset switch!


Off to one side, the CMOS reset is accessible but not close enough to the power/reset buttons to accidentally wipe your BIOS settings.

Gigabyte 3X USB Power Boost is a feature Gigabyte adopted with its P55 motherboards to increase the amount of power supplied by USB ports, so devices like the Apple iPad can be charged for example. 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 motherboard both of these values are increased, USB2.0 from 500mA to 1500mA, and USB 3.0 from 900mA to a maximum 2700mA.


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

In addition the fusing behind each USB port has been improved. Apparently the fuses on a motherboard reduce available power from the nominal 5V by a small amount, typically to 4.6V. Solid state fuses like the ones pictures above are standard to all recent motherboards, and you'll find them near buy all USB ports/headers and Firewire devices if you care to look. Higher tolerance fuses are installed so power drop is reduced by a smaller amount (4.8V we are told, rather than 4.6V for the standard fuse of this type). USB voltage levels can impact device stability and the number of devices able to be connected to each port.

Additionally, the USB ports continue to receive power even when the system is off, so iPad/iPod/iPhones can be plugged in and charged up without having to leave the rest of the computer on.

While USB 2.0's 480Mb/s maximum bandwidth was enough for many years, USB 3.0 (above in blue) expands the bandwidth to a whopping 4.8Gb/s (4800Mb/s) which is more appropriate for today's large mass storage devices. Much of this speed improvement is due to USB 3.0 being a bi-directional bus, meaning it can transfer information to a device and to a host computer simultaneously.

The GA-P67A-UD7 board 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 "Turbo USB 3.0" which if activated will enable the second NEC Renesas D720200 controller and 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.

All eight USB 2.0 ports are delivered by the Intel P67 chipset, naturally. Overclocking features are represented in the Gigabyte GA-P67A-UD7 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
 Pg 1.  Gigabyte GA-P67A-UD7 Intel P67 Motherboard - FIRST LOOK
 Pg 2.  Socket 1155 and P67 Chipset Highlights
 Pg 3.  Photo Highlights - Gigabyte GA-P67A-UD7 Motherboard
 Pg 4.  — Fine Tuning the GA-P67A-UD7
 Pg 5.  Overclocking the GA-P67A-UD7

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