ASRock Z68 Pro3 Motherboard

Overclocking Options

The ASRock Z68 Pro3 offers some overclocking options, listed below (1.0 BIOS):

• CPU ratio: From x16 to x60 in x1 steps (for unlocked CPUs)
• CPU base clock: From 95 MHz to 110 MHz in 1 MHz steps
• CPU core voltage: From 0.725 V to 1.520 V in 0.005 V steps
• CPU core voltage offset: From -0.300 V to +0.500 V in 0.005 V steps
• CPU VTT voltage: From 0.768 V to 1.634 V in 0.009 V steps
• CPU PLL voltage: From 1.548 V to 2.310 V in 0.008 V steps
• GPU voltage: From 0.600 V to 1.520 V in 0.02 V steps
• GPU voltage offset: From -0.150 V to +0.300 V in 0.005 V steps
• System agent voltage (VCCSA): From 0.925 V to 1.200 V in 0.093 V steps
• Chipset voltage (“PCH”): From 0.780 V to 1.646 V in 0.010 V steps
• Memory voltage: From 1.201 V to 1.800 V in 0.015 V steps

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

Figure 10: Overclocking options

Figure 11: Overclocking options