Acer X5950, X3950 manual Frequency/Voltage Control

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Frequency/Voltage Control

CMOS Setup Utility - Copyright © 1985-2010, American Megatrends, Inc.

Frequency/Voltage Control

Frequency/Voltage Control

Clock to All DIMM/PCI/PCIE	[Enabled]
Spread Spectrum	[Enabled]

Help Item

Enable Clock to All DIMM/PCI/PCIE.

	:Move	Enter:Select	+/-/:Value	F10:Save	ESC:Exit
		F1:General Help		F9:Optimized Defaults

Parameter	Description					Option

Clock to All DIMM/PCI/PCIE	Enables or disables the system to detect the DIMM/PCI/PCIE clock					Enabled
	automatically during bootup.					Disabled

Spread Spectrum	Enables or disables the reduction of the mainboard’s EMI.					Enabled
	Note: Remember to disable the Spread Spectrum feature if you are					Disabled
	overclocking. A slight jitter can introduce a temporary boost in clock
	speed causing the overclocked processor to lock up.

Chapter 2

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Contents Acer Aspire X3950/X5950 Service Guide Revision History Copyright Disclaimer Conventions Service Guide Coverage Table of Contents System Block Diagram and Board Layout Chapter FeaturesOperating system and software Power supplyDimension and weight PortsIcon Component System ComponentsFront Panel X3950X5950 Rear Panel Internal Components LED indicator Color LED status Description System LED IndicatorsChapter System Utilities Cmos Setup UtilityNavigating Through the Setup Utility Entering Cmos setupSetup Utility Menus Parameter Description Product InformationParameter Description Option Standard Cmos FeaturesLAN Advanced Bios FeaturesEist Advanced Chipset FeaturesAhci Integrated PeripheralsPower Management Setup Vbat PC Health StatusFrequency/Voltage Control Setting a system password Bios Security FeaturesRemoving a system password Load Default Settings Save & Exit Setup Exit Without Saving Disassembly Requirements System DisassemblyPre-disassembly Procedure X3950 model Main Unit DisassemblyX5950 model Removing the Side Panel Removing the Front Bezel Page Removing the Heatsink Fan Assembly Page Removing the Processor Page Removing the Optical Drive Remove the two screws C that secure the optical drive Slide the optical drive out of the bracket Removing the Hard Disk Drive Removing the Power Supply Lift the power supply module off the unit X3950 Removing the Memory Modules To remove a network card Removing an Expansion CardTo remove a VGA card To remove a TV tuner card Removing the Front I/O and Card Reader Boards Pull the board out of the bracket Chapter Pull the I/O board out of the bracket Removing the Mainboard Lift the board off the housing Removing the Top Bezel Chapter Hardware Diagnostic Procedure System TroubleshootingSystem Internal Inspection System Check ProceduresPower System Check System External InspectionCheckpoint Description Viewing Bios checkpointsBootblock Initialization Code Checkpoints CheckpointsBootblock Recovery Code Checkpoints Post Code Checkpoints Module Acpi Runtime Checkpoints DIM Code CheckpointsMessage Displayed Description Error MessagesBoot MemoryStorage Device Virus Related Eprom System ConfigurationMiscellaneous CmosMPS Table Multi-processor eModule Error Messages USB eModule Error MessagesSmbios eModule Error Messages CPU eModule Error MessagesBeep Codes Beep Symptom Cause and DescriptionIndex of Symptom-to-FRU Error Message Diskette Drive-Related Symptoms Symptom / Error Action/FRU CD/DVD-ROM Drive-Related Symptoms Symptom / Error Action/FRU Hard Disk Drive-Related Symptoms Symptom / Error Action/FRUReal-Time Clock-Related Symptoms Symptom / Error Action/FRU Audio-Related Symptoms Symptom / Error Action/FRUModem-Related Symptoms Symptom / Error Action/FRU Some or all keys on keyboard do not work  Keyboard Bios Recovery Select Save & Exit Setup, then press Enter Undetermined Problems System Block Diagram System Block Diagram and Board LayoutCode Description Mainboard LayoutPWR1 Chapter FRU Field Replaceable Unit List X3950 model Exploded DiagramX5950 model System model PV.SE602.004 AX3950 AAP AJC PV.SE602.004 X3950 FRU ListCPU/PROCESSOR System model PT.SE602.003 AX3950 AAP ACS PT.SE602.003 Speaker Speaker Chiamaw 9M-20A200-000 Acer Logo LF System model PT.SE602.004 AX3950 AAP ACS PT.SE602.004 Front Bezel W/LED Switch Cable for TBD CPU/PROCESSOR System model PT.SE602.005 AX3950 AAP ACS PT.SE602.005 KH.01K01.007 System model 91.3CY01.002G Aagassi PVT/MVB SKU AX5950 X5950 FRU ListFront Bezel for Speaker Speaker USB Neosonica NEW Silver Color AC-MT-113 Appendix a SpecificationSystem Bios VGA Interface Keyboard and Input Devices BD Combo Module SpecificationBdmv Aacs Pcav Super Multi SpecificationDVD-R 2x / 4x CLV, 2.4x~6x Appendix a 100