Gigabyte GA-990FXA-UD3 Manual - Page 40
NB/PCIe/PLL Voltage Ctrl
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******** System Voltage Optimized ******** System Voltage Control Determines whether to manually set the system voltages. Auto lets the BIOS automatically set the system voltages as required. Manual allows all voltage control items below to be configurable. (Default: Auto) CPU PLL Voltage Control Allows you to set the CPU PLL voltage. Normal Supplies the CPU PLL voltage as required. (Default) 2.025V ~ 3.135V The adjustable range is from 2.025V to 3.135V. Note: Increasing CPU voltage may result in damage to your CPU or reduce the useful life of the CPU. DRAM Voltage Control Allows you to set memory voltage. Normal Supplies the memory voltage as required. (Default) 1.025V ~ 2.135V The adjustable range is from 1.025V to 2.135V. Note: Increasing memory voltage may result in damage to the memory or reduce the useful life of the memory. DDR VTT Voltage Control Allows you to set the DDR VTT voltage. Normal Supplies the DDR VTT voltage as required. (Default) 0.515V ~ 1.145V The adjustable range is from 0.515V to 1.145V. NB Voltage Control Allows you to set the North Bridge voltage. Normal Supplies the North Bridge voltage as required. (Default) 0.865V ~ 1.9750V The adjustable range is from 0.865V to 1.9750V. HT Link Voltage Control Allows you to set the HT Link voltage. Normal Supplies the HT Link voltage as required. (Default) 0.725V ~ 1.835V The adjustable range is from 0.725V to 1.835V. NB/PCIe/PLL Voltage Ctrl Allows you to set the North Bridge PCIe PLL voltage. Normal Supplies the North Bridge PCIe PLL voltage as required. (Default) 1.325V ~ 2.435V The adjustable range is from 1.325V to 2.435V. CPU NB VID Control Allows you to set the CPU North Bridge VID voltage. Auto sets the CPU North Bridge VID voltage as required. The adjustable range is dependent on the CPU being installed. (Default: Normal) Note: Increasing CPU voltage may result in damage to your CPU or reduce the useful life of the CPU. CPU Voltage Control Allows you to set the CPU voltage. Auto sets the CPU voltage as required. The adjustable range is dependent on the CPU being installed. (Default: Normal) Note: Increasing CPU voltage may result in damage to your CPU or reduce the useful life of the CPU. Normal CPU Vcore Displays the normal operating voltage of your CPU. BIOS Setup - 40 -