ASRock Z77 Extreme9 Motherboard

Overclocking Options

The ASRock Z77 Extreme9 has a few overclocking options. Below, we list the most important ones (1.10 BIOS):

• Base clock: From 95 MHz to 150 MHz in 0.1 MHz increments
• CPU core voltage: From -0.300 V to +0.600 V in 0.005 V increments
• Integrated graphics processor (IGPU) voltage: From -0.300 V to +0.600 V in 0.005 V increments
• Memory controller (“System Agent,” VCCSA) voltage: From 0.925 V to 1.200 V in 0.089 V increments
• CPU VTT (“I/O”) voltage: From 0.768 V to 1.634 V in 0.009 V increments
• CPU PLL voltage: From 1.586 V to 2.349 V in 0.008 V increments
• Chipset (PCH) voltage: From 0.780 V to 1.646 V in 0.009 V increments
• Memory voltage: From 1.165 V to 1.800 V in 0.005 V increments
• Memory reference voltage: From -127 mV to +127 mV in 1 mV increments

Figure 12: Overclocking options

Figure 13: Voltage options