Asus P8Z77 WS - Page 80

3-10
Chapter 3: BIOS setup
Chapter 3
Internal PLL Overvoltage [Auto]
Allows you to set the internal PLL voltage.
Conguration 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] DRAM speed is set to the optimized settings.
[100:133] The CPU bus speed to DRAM speed ratio is set to 100:133.
[100:100} The CPU bus speed to DRAM speed ratio is set to 100:100.
Memory Frequency [Auto]
Allows you to set the memory operating frequency. The conguration options vary with the
BCLK/PCIE Frequency item settings. Conguration options: [Auto]
[DDR3-800MHz] [DDR3-1066MHz] [DDR3-1333MHz] [DDR3-1400MHz] [DDR3-1600MHz]
[DDR3-1800MHz] [DDR3-1866MHz] [DDR3-2000MHz] [DDR3-2133MHz] [DDR3-2200MHz]
[DDR3-2400MHz] [DDR3-2600MHz] [DDR3-2660MHz] [DDR3-2800MHz]
Selecting a very high memory frequency may cause the system to become unstable! If this
happens, revert to the default setting.
EPU Power Saving Mode [Disabled]
Allows you to enable or disable the EPU power saving function.
Conguration options: [Disabled] [Enabled]
OC Tuner
OC Tuner automatically overclocks the frequency and voltage of CPU and DRAM for
enhancing the system performance. Conguration options: [OK] [Cancel]