Asus SABERTOOTH 990FX/GEN3 R2.0 - Manual (Page 80)

3-10 Chapter 3: BIOS setup
Chapter 3
CPU Spread Spectrum [Auto]
[Auto] Automatic configuration.
[Disabled] Enhances the BCLK overclocking ability.
[Enabled] Sets to [Enabled] for EMI control.
PCIe Spread Spectrum [Auto]
[Auto] Automatic configuration.
[Disabled] Enhances the PCIE overclocking ability
[Enabled] Sets to [Enabled] for EMI control.
EPU Power Saving Mode [Disabled]
Allows you to enable or disable the EPU power saving function.
Configuration options: [Disabled] [Enabled]
The following item appears only when you set the EPU Power Saving Mode items to
[Enabled].
EPU Setting
Configuration options: [Auto] [Light Power Saving Mode] [Medium Power Saving Mode]
[Max Power Saving Mode]
OC Tuner [CANCEL]
OC Tuner automatically overclocks the frequency and voltage of CPU and DRAM for
enhancing the system performance. Configuration 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]
Configuration options: [Auto] [5] – [19]
DRAM RAS# to CAS# Delay [Auto]
Configuration options: [Auto] [2] – [19]
DRAM RAS# PRE Time [Auto]
Configuration options: [Auto] [2] – [19]
DRAM RAS# ACT Time [Auto]
Configuration options: [Auto] [8] – [40]