Gigabyte H55N-USB3: De Facto LGA1156 Mini-ITX Board?

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For enthusiasts, the options available within the BIOS can turn a good board into a great one. The ability to manipulate frequencies, voltages, and fan control settings vary depending on the hardware and the amount of trust placed in the users' hands by the manufacturer.

Frequency settings.

Voltage settings.

PC Health Status settings.

BIOS Summary: Gigabyte H55N-USB3
CPU Clock
100 to 600 MHz
CPU Core Voltage
0.50000V to 1.90000V in in 0.00625V increments
QPI/VTT Voltage
1.050V to 1.490V in varying increments (1.100V default)
PCH Voltage 0.950V to 1.500V (1.050V default)
Memory Voltage
1.30V to 2.60V in varying increments
Memory Multiplier
6, 8, 10
Memory Timing Control
Integrated Graphics
GPU Clock 0 to 2000 MHz
GPU Voltage
0.200V to 1.800V in varying increments (1.350V default)
Fan Control
Smart Fan Control
Enabled / Disabled
Smart Fan Mode
Auto / PWM / Voltage

Enthusiasts entering the H55N's BIOS will be greeted with a incredibly liberal level of customization for a mini-ITX motherboard. The core voltage can be undervolted down to 0.5V or overvolted up to 1.9V. Wide ranges are available for all voltages, including the memory and onboard GPU. Frequency control is similarly unbound, going as high as one would dare attempt.

The only disappointment is the lack of customizable Smart Fan settings. The automatic fan control can be either turned on or off, but aside from that, there's nothing you can do to alter fan speed behavior until you boot into an operating system. In addition, only one of the two fan headers can be controlled.

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