Asus Z87I-DELUXE - Manual (Page 74)

3-12 Chapter 3: BIOS setup
Chapter 3
Max. CPU Graphics Ratio [Auto]
[Auto] Allows you to automatically optimize the CPU Graphics Ratio depending on
the system loading.
[Manual] Allows you to manually configure the CPU Graphics Ratio for optimal
performance. The ratio may vary depending on the system loading.
OC Tuner [As Is]
OC Tuner automatically overclocks the frequency and voltage of CPU and DRAM for
enhancing the system performance and accelerates the iGPU performance to the extreme
according to the integrated graphics loading.
Configuration options: [As Is] [Ratio Only] [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 <+> or
<-> 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] – [31]
DRAM RAS# to CAS# Delay [Auto]
Configuration options: [Auto] [1] – [31]
DRAM RAS# PRE Time [Auto]
Configuration options: [Auto] [1] – [31]
DRAM RAS# ACT Time [Auto]
Configuration options: [Auto] [1] – [63]
DRAM COMMAND Rate [Auto]
Configuration options: [Auto] [1] – [2]
Secondary Timings
DRAM RAS# to RAS# Delay [Auto]
Configuration options: [Auto] [1] – [15]
DRAM REF Cycle Time [Auto]
Configuration options: [Auto] [1] – [511]
DRAM Refresh Interval [Auto]
Configuration options: [Auto] [1] – [65535]