Sandy Bridge, Part 3: Gigabyte P67A-UD4 & Intel DP67BG P67 Motherboards

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Gigabyte GA-P67A-UD4: Physical Details

The Gigabyte GA-P67A-UD4 is an ATX form factor motherboard with a fairly standard layout. The PCB is cooled with a pair of odd looking heatsinks and is littered with small blue/grey solid-state capacitors.

The GA-P67A-UD4 has a pair of PCI-E 16x slots (running at 8x/8x if both are utilized), three PCI-E 1x slots, and a pair of PCI slots. There are four fan headers in total, two on the top edge, one on the upper right side and one on the lower left side.

The board's six internal SATA ports sit on their side, something we feel should be standard on all boards. The PCH heatsink is a significantly larger than on the Intel and Asus H67 boards we reviewed recently, but is lacking in total surface area. Also note there is an internal USB 3.0 header that can drive an two ports in addition to the ones on the rear panel.

The area around the socket is incredibly tidy with neat rows of capacitors and inductors. The VRMs are kept cool by a fancy-looking heatpipe cooler measuring 29 mm high.

Back panel ports: PS/2, 8 x USB 2.0, 2 x USB 3.0, optical/coaxial S/PDIF, 2 x eSATA, RJ45, and a standard set of six analog audio ports.

Gigabyte GA-P67A-UD4: BIOS

While most P67 boards have switched from BIOS to UEFI, Gigabyte still uses an old school Award BIOS, though word is they plan on updating their current batch of P67 boards to UEFI in the near future.

BIOS: Advanced Voltage Settings.

BIOS: PC Health Status.

The P67A-UD4's BIOS has plenty of voltage options (we imagine that most P67 boards are similar in this regard), but you shouldn't have to tweak much other than the CPU voltage to get your overclock on seeing as increasing the multiplier is really the only way to get a substantial increase in clock speed. The fan control offered is rather basic with three different settings for only one fan header. The manual options allow you to set the steepness of the fan speed/temperature curve.

BIOS Summary: Gigabyte GA-P67A-UD4
BCLK/DMI/PEG Frequency 80.0 to 200.0 MHz
CPU Clock Ratio 16 to 57 (for i5-2500K)
CPU Voltage
0.750V to 1.700V in 0.005V increments
QPI/VTT Voltage
0.800V to 1.700V in 0.020V increments (1.050V default)
System Agent Voltage 0.655V to 1.305V in 0.010V increments (0.920V default)
PCH Core Voltage 0.840V to 1.940V in 0.020V (1.050V default)
CPU PLL Voltage 1.520V to 2.520V in 0.020V increments (1.800V default)
Memory Multiplier 8.00, 10.66, 13.33, 16.00, 18.66, 21.33
Memory Timing Control Intermediate
DRAM Voltage
0.900V to 2.600V in 0.020V increments
Fan Control CPU Smart FAN Control: Normal, Silent, Manual, Disabled

Manual setting: 0.75 to 2.50 PWM value / °C

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