2 memory frequency [auto, 3 igpu max. frequency [auto, 4 gpu boost [ok – Asus P8H61-I LX R2.0/RM/SI User Manual
Page 47: 5 dram timing control, 6 cpu power management, Memory frequency [auto] -13, Igpu max. frequency [auto] -13, Gpu boost [ok] -13, Dram timing control -13, Cpu power management -13

Chapter 2: BIOS information
2-13
2.4.2
Memory Frequency [Auto]
Allows you to set the memory operating frequency. Configuration options: [Auto] [DDR3-
800MHz] [DDR3-1066MHz] [DDR3-1333MHz] [DDR3-1600MHz] [DDR3-1866MHz] [DDR3-
2133MHz] [DDR3-2400MHz]
Selecting a very high memory frequency may cause the system to become unstable! If this
happens, revert to the default setting.
2.4.3
iGPU Max. Frequency [Auto]
[Auto]
The iGPU frequency may be optimized depending on the system loading.
[Manual]
The input value is the optimal iGPU frequency. However, the frequency
may vary depending on the system loading.
2.4.4
GPU Boost [OK]
[OK]
Select [OK] to automatically optimize the iGPU frequency.
[Cancel]
Select [Cancel] to use a fixed iGPU frequency.
2.4.5
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 <Enter>.
Changing the values in this menu may cause the system to become unstable! If this
happens, revert to the default settings.
2.4.6
CPU Power Management
The sub-items in this menu allow you to set the CPU ratio and features.
CPU Ratio [Auto]
Allows you to manually adjust the maximum non-turbo CPU ratio. Use <+> and <->
keys or the numeric keypad to adjust the ratio. The valid value ranges vary according
to your CPU model.
Enhanced Intel SpeedStep Technology [Enabled]
Allows you to enable or disable the Enhanced Intel
®
SpeedStep Technology (EIST).
[Disabled]
Disables this function.
[Enabled]
The operating system dynamically adjusts the processor voltage and
core frequency which may result in increased average consumption
and decrease average heat production.
Turbo Mode [Enabled]
This item appears only when you set the Enhanced Intel
®
SpeedStep Technology item
to [Enabled].
[Enabled]
Allows processor cores to run faster than marked frequency in specific
conditions.
[Disabled]
Disables this function.
The first three items appear only when you set the Turbo Mode item to [Enabled].