Gigabyte 990FXA-UD5 Motherboard

Overclocking Options

The Gigabyte 990FXA-UD5 offers some overclocking options, listed below (F3 BIOS):

• CPU base clock: From 200 MHz to 500 MHz in 1 MHz increments
• PCI Express clock: From 100 MHz to 150 MHz in 1 MHz increments
• CPU core (VDD) voltage: From -0.600 V to +0.600 V in 0.025 V increments
• CPU PLL voltage: From 2.025 V to 3.135 V in 0.005 V increments
• Memory controller (“NB/PCIe/PLL” VDDNB) voltage: From 1.325 V to 2.435 V in 0.005 V increments
• North bridge (NB) voltage: From 0.865 V to 1.975 V in 0.005 V increments
• HyperTransport Voltage: From 0.725 V to 1.435 V in 0.005 V increments
• Memory termination (VTT) voltage: From 0.515 V to 1.145 V in 0.005 V increments

For a better understanding of what these options do, please read our Understanding All Voltage Configurations from the Motherboard tutorial.

Figure 10: Overclocking options

Figure 11: Overclocking options