Aspire Digital AX1400 manual Frequency/Voltage Control

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Frequency/Voltage Control

Field

Description

Value

 

 

 

Enable Clock to All DIMM/

When enabled, clock signals will be sent to the PCI and memory

Enabled

PCI

slots regardless of whether the slot is occupied or not.

Disabled

Spread Spectrum

When the mainboard's clock generator pulses, the extreme values of

Enabled

 

the pulses creates EMI (electromagnetic interference). Set this field

Disabled

 

to Enabled to reduce this EMI level. This reduces interference

 

 

problems with other electronics in the area.

 

 

Note: Remember to disable the Spread Spectrum feature if you are

 

 

overclocking. A slight jitter can introduce a temporary boost in clock

 

 

speed causing the overclocked processor to lock up.

 

 

 

 

Aspire AX1400 Service Guide

17

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Contents Aspire AX1400 Desktop Computer Service Guide Revision History Copyright Conventions Service Guide Coverage Aspire AX1400 Service Guide Table of Contents Index Component Description System FeaturesAudio Ports and LED IndicatorsEnvironmental Requirements Physical SpecificationsAspect Description Front View System TourComponent Rear ViewAspire AX1400 Service Guide System Utilities Cmos Setup UtilityAccessing the Setup Utility Setup Utility Menus Navigating through the Setup UtilityKey Function Field Description Product InformationField Description Value Standard Cmos FeaturesEnabled Advanced Bios FeaturesAuto Advanced Chipset FeaturesIntegrated Peripherals S3 STR Power Management SetupPC Health Status Frequency/Voltage Control Setting a system password Bios Security FeaturesTo set a system password Save & Exit Setup Load Default SettingsExit Without Saving Aspire AX1400 Service Guide Pre-disassembly Procedure Disassembly ToolsRemoving the Side Panel Disassembly ProceduresRemoving the Front Bezel Removing the Heat Sink Fan Assembly Removing the Processor Removing the HDD-ODD Bracket Removing the Optical Drive and the Hard Disk Drive Page Page Page Removing the Front Bezel Removing the Expansion Boards Page Removing the Memory Modules Page Removing the Front I/O and Optional Card Reader Assemblies Page Page Page Page Removing the Mainboard Page System Check Procedures Hardware Diagnostic ProcedurePower System Check System External InspectionBoot Block Initialization Code Checkpoints Viewing Bios CheckpointsCheckpoints System Internal InspectionBoot Block Recovery Code Checkpoints Post Code Checkpoints Mid Post initialization of chipset registers Post Error Messages Post Error IndicatorsDIM Code Checkpoints Message Description MemoryStorage Device Message Description Virus-related Message Displayed Description CmosIndex of Symptom-to-FRU Error Messages Optical Disc Drive-related Symptoms Symptom/Error Action/FRU Hard Disk Drive-related Symptoms Symptom/Error Action/FRUAudio-related Symptoms Symptom/Error Action/FRU Real-Time Clock-related Symptoms Symptom/Error Action/FRUModem-related Symptoms Symptom/Error Action/FRU Video and Monitor-related Symptoms Symptom/Error Action/FRUKeyboard-related Symptoms Symptom/Error Action/FRU Printer-related Symptoms Symptom/Error Action/FRUPower Supply-related Symptoms Symptom/Error Action/FRU Beep Status Possible Causes Beep CodesCreating the Bios Crisis Recovery Disk Bios RecoveryPerforming a Bios Recovery Updating the Bios in DOS Mode Bios UpdateClick Start Command Prompt Run as administrator Updating the Bios in Windows ModePress Enter to flash the system Bios Page To clear the Cmos data Clearing CmosSystem Architecture Block DiagramThis section shows the major mainboard components Mainboard LayoutJumper Type Description Setting default Jumper SettingHeader Name Function Definition Internal header pin definitionConnector pin definition Pin Signal Name Connecting Optional DevicesAUDIOF1 Front Panel Audio header Pin Signal Name FunctionCPUFAN1 CPU Cooling Fan Power Connector Connecting Case ComponentsPWR1 ATX 12V Power Connector PWR2 ATX 24-pin Power ConnectorFront Panel Header Aspire AX1400 Service Guide Field Replaceable Unit FRU List Exploded DiagramCategory Part Name Description Acer Part No Aspire AX1400 FRU ListCASE/COVER/BRACKET Front IO Bracket Brkt F-IO Boxer CPU/PROCESSOR CPU AMD Phenomii X 3 700E IC CPU Phenomii X WD10EADS-22M4B0 8MB GP Keyboard Keyboard PS/2 105 KEY KB Chicony KB-0759 Keyboard Keyboard PS/2 104 KEY KB Chicony KB-0759 Keyboard Keyboard PS2 105 KEY Keyboard PS2 SK-9620 Keyboard Keyboard PS/2 104 KEY Pointing Device Logitech 0810PS2 Mouse PS2 OPT Aspire AX1400 Service Guide Chipsets ProcessorHard Disk Drive MemoryCard Reader optional Optical Disc DriveGigabit Ethernet Power Management Power Supply UnitAspire AX1400 Service Guide Index BiosBeep codes 60 checkpoints 48 error messages