Acer AW2000h-AW175h F1 Service Manual

Contents

Acer AW2000h-AW175h F1 Service Manual Manual pdf 73 page image

Chapter 9 67Advanced Chipset ControlThe items included in the Advanced Settings submenu are listed below:CPU Bridge configurationQPI Links Speed: This feature selects QPI data transfer speed.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 themotherboard.Memory Frequency: This feature enables you to force a DDR3 frequency slower than what the system hasdetected.Memory Frequency: Allows you to force a DDR3 memory module to run at a frequency other than what thesystem 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 forredundancy.• Lockstep - The motherboard uses two areas of memory to run the same set of operations inparallel.Demand Scrubbing: A memory error-correction scheme where the processor writes corrected data back intothe 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 correctingresident errors.Throttling - Closed Loop/Throttling - Open Loop: Throttling improves reliability and reduces power in theprocessor by automatic voltage control during processor idle states. If Enabled, the following items willappear:• 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 LoopThrottling begins.• Guardband Temperature (For the Closed Loop only) - This is the temperature which applies to theDIMM temperature threshold. Steps are in 0.5 °C increments. The default is [006]. Press "+" or "-"on your keyboard to change this value.• Inlet Temperature - This is the temperature detected at the chassis inlet. Steps are in 0.5 °Cincrements. The default is [070]. Press "+" or "-" on your keyboard to change this value.• Temperature Rise - This is the temperature rise to the DIMM thermal zone. Steps are in 0.5 °Cincrements. The default is [020]. Press "+" or "-" on your keyboard to change this value.• Air Flow - This is the air flow speed to the DIMM modules. Each step is one mm/sec. The default is[1500]. Press "+" or "-" on your keyboard to change this value.• Altitude - This feature defines how many meters above or below sea level the system is located.• DIMM Pitch - This is the physical space between each DIMM module. Each step is 1/1000 of aninch. The default is [400]. Press "+" or "-" on your keyboard to change this value.North Bridge configurationThis feature allows you to configure the settings for the Intel North Bridge chip.Intel I/OAT: Significantly reduces CPU overhead by leveraging CPU architectural improvements, freeingresources for other tasks.DCA Technology: Uses Intel's DCA (Direct Cache Access) Technology to enhance data transfer effi ciency.