Computer Hardware User Manual

ASUS Z87-K
2-15
[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.
2.5.8 Memory Frequency [Auto]
Allows you to set the memory operating frequency. The conguration options vary with the
BCLK/PEG Frequency item settings.
Selecting a very high memory frequency may cause the system to become unstable! If this
happens, revert to the default setting.
2.5.9 CPU Graphics Max. Ratio [Auto]
[Auto] The CPU Graphics Max. ratio is set to its optimized setting depending on
the system loading.
[Manaul] Use the <+> or <-> keys to adjust the optimal CPU Graphics Max. ratio.
The value may vary depending on the system loading.
2.5.10 OC Tuner [As is]
OC Tuner automatically overclocks the frequency and voltage of CPU and DRAM for
enhancing the system performance and accelerates iGPU performance to the extreme
according to the integrated graphics loading. Conguration options: [As is] [Ratio Only] [BCLK
First].
2.5.11 EPU Power Saving Mode [Disabled]
Allows you to enable or disable the EPU power saving function. Conguration options:
[Disabled] [Enabled]
2.5.12 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 <Enter> key.
Changing the values in this menu may cause the system to become unstable! If this
happens, revert to the default settings.
Primary Timings
DRAM CAS# Latency [Auto]
Conguration options: [Auto] [1 DRAM Clock] – [31 DRAM Clock]
DRAM RAS# to CAS# Delay [Auto]
Conguration options: [Auto] [1 DRAM Clock] – [31 DRAM Clock]
DRAM RAS# PRE Time [Auto]
Conguration options: [Auto] [1 DRAM Clock] – [31 DRAM Clock]