Asus E7258, P8H61-M LX3, P8H61-M LX3 PLUS, P8H61-M LX3 Series 2.4.2DRAM Timing Control, 2.4.3CPU Power Management, Long duration maintained [Auto], Long duration power limit [Auto], Short duration power limit [Auto]

2.4.2DRAM Timing Control

The sub-items in this menu allow you to set the DRAM timing control features. Key in a desired value directly. 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.

2.4.3CPU 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 following three items appear only when you set both the Enhanced Intel® SpeedStep Technology and Turbo Mode items to [Enabled].

Long duration power limit [Auto]

The default setting of this item will be TDP (65W or 95W for different CPUs). For Sandy Bridge, Turbo Ratio can be kept a time duration exceed TDP for maximum performance. Any under 255 can be programmed. Use the <+> and <-> keys to adjust the value.

Long duration maintained [Auto]

This value can vary from 1 to 32, which indicates the time window for Turbo Ratio over TDP should be maintained. Use the <+> and <-> keys to adjust the value.

Short duration power limit [Auto]

This is the second power limit to provide rapid protection when package power exceeds Power Limit 1. Default setting is 1.25 times Power Limit 1. For Intel recommend, platform must be capable of supporting over Power Limit 2 for up to 10 msec. ASUS board can support over Power Limit 2 for a long duration. Use the <+> and <-> keys to adjust the value.

2-14 ASUS P8H61-M LX3 Series