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BIOS Setup
Adjusted DRAM Frequency (MHz)
It shows the adjusted DDR Memory frequency. Read-only.
ClockGen Tuner
Press <Enter> to enter the sub-menu and the following screen appears.
CPU / PCI Express Amplitude Control
These items are used to select the CPU/ PCI Express clock amplitude.
CPU CLK Skew/ IOH CLK Skew
These items are used to select the CPU/ IOH chipset clock skew. They can help
CPU to reach the higher overclocking performace.
Adjust PCI Frequency (MHz)
This field allows you to select the PCI frequency (in MHz).
Adjust PCI-E Frequency (MHz)
This field allows you to select the PCIE frequency (in MHz).
Auto Disable DRAM/PCI Frequency
When set to [Enabled], the system will remove (turn off) clocks from empty DIMM and
PCI slots to minimize the electromagnetic interference (EMI).
CPU Voltage (V)/ QPI Voltate (V))/ CPU PLL Voltage (V)/ DRAM Voltage (V)/
DDR_VREF_CA_A (V)/ DDR_VREF_CA_B (V)/ DDR_VREF_CA_C (V)/
DDR_VREF_DQ_A (V)/DDR_VREF_DQ_B (V), DDR_VREF_DQ_C (V)/ IOH Voltage
(V), ICH Voltage (V)
These items are used to asjust the voltage of CPU, Memory, QPI and chipset.
For CPU Voltage:
The value here is the offset for you to adjust/add based on the current CPU voltage.
Please read the real-time CPU voltage in “CPU Vcore” in the “H/W monitor” page.
Please note the based CPU Voltage will vary depending on the different CPU you
install.
For QPI Voltage:
The value here is the offset for you to adjust/add based on the current QPI voltage.
The default based QPI Voltage is from 1.1V to 1.22V, and it will vary depending on the
different CPU you install. You can read the QPI voltage in GreenPower Center.
For DRAM Voltage:
According to the Inte CPU spec, DRAM Voltage setting 1.65V may damage the CPU
permanently. It is strongly recommended that you install the DRAM with the voltage
setting below 1.65V. You can read the DRAM voltage in GreenPower Center.
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