Asus MAXIMUS VI EXTREME MAXIMUS VI EXTREME User's Manual - Page 102

Internal PLL Overvoltage [Auto] Allows you to enable the internal PLL voltage for K-SKU CPUs to get the extreme overclocking capability. Configuration options: [Auto] [Enabled] [Disabled] CPU bus speed : DRAM speed ratio mode [Auto] Allows you to set the CPU bus speed to DRAM speed ratio mode. [Auto] The DRAM speed is set to its optimized settings. [100:100] The CPU bus speed to DRAM speed ratio is set to 100:100. [100:133] The CPU bus speed to DRAM speed ratio is set to 100:133. Memory Frequency [Auto] Allows you to set the memory operating frequency. The configuration options vary with the BCLK/PCIE Frequency item settings. iGPU Max. Frequency [Auto] [Auto] The iGPU frequency is set to its optimized setting depending on the system loading. [Manual] Key in the value to adjust the optimal iGPU frequency. The frequency may vary depending on the system loading. OC Tuner [Auto] OC Tuner automatically overclocks the frequency and voltage of the CPU and DRAM to enhance the system performance and accelerates the iGPU performance to the extreme according to the integrated graphics loading. Configuration options: [Auto] [Ratio First] [BCLK First] EPU Power Saving Mode [Disabled] Allows you to enable or disable the EPU power saving function. Configuration options: [Disabled] [Enabled] DRAM Timing Control The subitems in this menu allow you to set the DRAM timing control features. Use the and keys to adjust the value. To restore the default setting, type [auto] using the keyboard and press the key. Maximus Tweak [Auto] [Auto] Automatically selects the mode. [Mode 1] Memory compatibility. [Mode 2] Overclocking and performance. Chapter 3 3-10 Chapter 3: BIOS setup