Asus Z87-K - Manual (Page 42)

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 configuration 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. Configuration 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. Configuration 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 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]
Configuration options: [Auto] [1 DRAM Clock] – [31 DRAM Clock]
DRAM RAS# to CAS# Delay [Auto]
Configuration options: [Auto] [1 DRAM Clock] – [31 DRAM Clock]
DRAM RAS# PRE Time [Auto]
Configuration options: [Auto] [1 DRAM Clock] – [31 DRAM Clock]