Acer AW2000h-AW170h User Manual download pdf (Page 79)

Important: The following feature is only available when QPI Links

Speed is set to Full Speed.

QPI Frequency: This selects the desired QPI frequency.

QPI L0s and L1: This enables the QPI power state to low power. L0s and

L1 are automatically selected by the motherboard.

Memory Frequency: This feature enables you to force a DDR3

frequency slower than what the system has detected.

Memory Frequency: Allows you to force a DDR3 memory module to

run at a frequency other than what the system has detected.

Memory Mode: Set the memory mode.

• Independent - All DIMMs are available to the operating system.

• Channel Mirror - The motherboard maintains two identical copies

of all data in memory for redundancy.

• Lockstep - The motherboard uses two areas of memory to run the

same set of operations in parallel.

Demand Scrubbing: A memory error-correction scheme where the

processor writes corrected data back into the memory block from

where it was read by the processor.

Patrol Scrubbing: A memory error-correction scheme that works in the

background looking for and correcting resident errors.

Throttling - Closed Loop/Throttling - Open Loop: Throttling improves

reliability and reduces power in the processor by automatic voltage

control during processor idle states. If Enabled, the following items will

appear:

• Hysteresis Temperature (For Closed Loop only) - Temperature

Hysteresis is the temperature lag (in degrees Celsius) after the set

DIMM temperature threshold is reached before Closed Loop

Throttling begins.

• Guardband Temperature (For the Closed Loop only) - This is the

temperature which applies to the DIMM temperature threshold.

Steps are in 0.5 °C increments. The default is [006]. Press "+" or "-"

on your keyboard to change this value.

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Acer AW2000h-AW170h User Manual Page 79