Asus P8Z77-I Computer Hardware User Manual


 
ASUS P8Z77-I DELUXE
3-9
Chapter 3
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/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.
iGPU Max. Frequency [Auto]
Allows you to set the iGPU maximum frequency. The values range from xxxxMHz (by CPU)
to 3000MHz with a 50MHz interval. Use <+>/<-> to adjust the value.
EPU Power Saving Mode [Disabled]
Allows you to enable or disable the EPU power saving function. Conguration options:
[Disabled] [Enabled]
EPU Setting [Auto]
This item appears only when you set the EPU Power Saving Mode item to [Enabled.] and
allows you to select the EPU power saving mode. Conguration options: [Auto] [Light Power
Saving Mode] [Medium Power Saving Mode] [Max Power Saving Mode]
OC Tuner
OC Tuner automatically overclocks the frequency and voltage of CPU and DRAM for
enhancing the system performance. Conguration options: [OK] [Cancel]
DRAM Timing Control
The sub-items 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] – [15 DRAM Clock]
DRAM RAS# to CAS# Delay [Auto]
Conguration options: [Auto] [1 DRAM Clock] – [15 DRAM Clock]
DRAM RAS# PRE Time [Auto]
Conguration options: [Auto] [1 DRAM Clock] – [15 DRAM Clock]
DRAM RAS# ACT Time [Auto]
Conguration options: [Auto] [1 DRAM Clock] – [255 DRAM Clock]