Zotac H55-ITX-C-E: Stacked LGA1156 Mini-ITX Motherboard

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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.

Performance menu.

Fan control options.

BIOS Summary: Zotac H55-ITX-C-E
CPU Clock Setting
100 to 500 MHz
CPU Core Voltage
-0.100V to +0.200V in 0.025V increments
PCH Voltage
-0.10V, -0.05V, +0.01V to 0.10V in 0.01V increments
Memory Voltage
-0.20, -0.10V, +0.02V to +0.20V in 0.02V increments
Memory Clock
800, 1067, 1333, 1600 MHz
Memory Timing Control
Integrated Graphics
GPU Memory
32MB, 64MB, 128MB + DVMT (128MB, 256MB, Max DVMT)
GPU Voltage
-0.100V to +0.200V in 0.25V increments
Fan Control
Thermal Cruise Mode
Target Temp Value: 0 to 100
Tolerance Value: 0 to 15
Lowest Value: 0 to 255
Manual Mode
PWM Control: 0 to 255

Like many mini-ITX boards, the H55-ITX's BIOS is severely restricted. Voltages can be adjusted for the CPU, PCH, RAM, and the integrated GPU, but the ranges offered are minuscule. Particularly disappointing is a -0.100V undervolt limit for the CPU. The board has dynamic fan control with adjustable options as well as a fixed manual speed option.

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