ECS P55H-A2, User Manual, Page: 49 / 84

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Using BIOS
DRAM Frequency (Auto)
This item enables users to adjust the DRAM frequency. The default setting is auto and
we recommend users leave the setting unchanged. Modify it at will may cause the
system to be unstable.
Performance Level (Standard)
This item shows the performance level of the components, the options are: Standard
and Enhanced.
Configure DRAM Timing by SPD (Enabled)
When this item is set to enable, the DDR timing is configured using SPD. SPD (Serial
Presence Detect) is located on the memory modules, BIOS reads information coded
in SPD during system boot up.
Memory Hole (Disabled)
This item allows users to enable or disable memory hole remapping.
DRAM Command Rate (Auto)
This item specifies the rate of the DRAM Command.
CPU Over-clocking Func (Disabled)
This item decides the CPU over-clocking function installed in your system. If the
over-clocking fails, please turn off the system power. And then, hold the PageUp key
(similar to the Clear CMOS function) and turn on the power, the BIOS will recover
the safe default.
PCIE Over-clocking Func (Disabled)
This item enables or disables the PCIE over-clocking function.
Spread Spectrum (Enabled)
If you enable spread spectrum, it can significantly reduce the EMI (Electro-Magnetic
Interference) generated by the system.
Voltage Function (Disabled)
Use this item to enable or disable the Voltage Function. If enable, users can increasethe
hardware voltage through BIOS settings.
Genuine Intel (R) CPU 000 @ 2.13GHz
This is display-only field and displays the information of the CPU installed in your
computer.
Auto Detect DIMM/PCI Clk (Enabled)
When this item is enabled, BIOS will disable the clock signal of free DIMM/PCI slots.
Ratio Status/Ratio Actual Value (Unlocked/16)
These items show the locked/unlocked ratio status and the actual ratio of the CPU
installed in your system.
Current Memory Frequency (1333MHz)
This item displays the current memory frequency.
CPU Vcore (1.072 V)
This item displays the current CPU voltage.