Computer Hardware User Manual
Chapter 2: BIOS information 2-13
2.4.4 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.
2.4.5 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]
[Enabled] Allows processor cores to run faster than marked frequency in specic
conditions.
[Disabled] Disables this function.
The following three items appear only when you set the Turbo Mode item to [Enabled].
Long Duration Power Limit [Auto]
Allows you to limit the turbo ratio’s long duration power. Use the <+> and <-> keys to
adjust the value.
Long Duration Maintained [Auto]
Allows you to maintain the turbo ratio’s long duration power. Use the <+> and <-> keys Use the <+> and <-> keys
to adjust the value.
Short Duration Power Limit [Auto]
Allows you to limit the turbo ratio’s long duration power. Use the <+> and <-> keys to Use the <+> and <-> keys to
adjust the value.
Primary Plane Current Limit [Auto]
Maximum instantaneous current allowed at any given time for CPU cores. Use <+> andUse <+> and
<-> key to adjust the value at 0.125A increment.
Secondary Plane Current Limit [Auto]
Maximum instantaneous current allowed at any given time for Internal Graphics cores.
Use <+> and <-> key to adjust the value at 0.125A increment.
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