ASRock 990FX Extreme9 Motherboard

Overclocking Options

The portrayed motherboard has several overclocking options. Below, we list the most important ones (1.10 BIOS):

• Base clock: From 150 MHz to 500 MHz in 1 MHz increments
• PCI Express clock: From 75 MHz to 250 MHz in 1 MHz increments
• CPU core voltage: From 0.6000 V to 2.0000 V in 0.0125 V increments
• CPU NB (memory controller) voltage: From 0.6000 V to 2.0000 V in 0.0125 V increments
• Memory voltage: From 1.165 V to 1.800 V in 0.005 V increments
• North bridge voltage: From 1.108 V to 1.654 V in 0.012 V increments
• HyperTransport voltage: From 1.210 V to 1.400 V in 0.010 V increments
• CPU VDDA voltage: From 2.56 V to 2.70 V in 0.14 V increments
• PCI Express VDDA voltage: From 1.81 V to 1.92 V in 0.11 V increments

Figure 9: Overclocking options

Figure 10: Overclocking options