Gigabyte 990FXA-UD3 Motherboard

Overclocking Options

The portrayed motherboard has several overclocking options. Below, we list the most important ones (FC BIOS):

• Base clock: From 200 MHz to 500 MHz in 1 MHz increments
• CPU core voltage: Offset from -0.800 V to +0.775 V in 0.025 V increments
• CPU NB (memory controller) voltage: Offset from -0.800 V to +0.775 V in 0.025 V increments
• Memory voltage: From 1.024 V to 2.135 V in 0.005 V increments
• HyperTransport voltage: From 0.725 V to 1.835 V in 0.005 V increments
• PCI Express PLL voltage: From 1.325 V to 2.435 V in 0.005 V increments
• CPU PLL voltage: From 2.025 V to 3.135 V in 0.005 V increments
• Chipset NB voltage: From 0.865 V to 1.735 V in 0.005 V increments

Figure 9: Overclocking options

Figure 10: Voltage settings

Figure 11: Memory timings

Figure 12: Memory timings