Aspire Digital AX1400 manual Clearing Cmos, To clear the Cmos data

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Clearing CMOS

You may need to clear the Setup configuration values (CMOS) if the configuration has been corrupted, or if incorrect settings made in the Setup Utility caused error messages to be unreadable. This procedure will clear the BIOS supervisor password as well.

Use the JBIOS1 jumper to clear the CMOS data.

1-2 position: Normal operation (default)

2-3 position: Clear CMOS data

To clear the CMOS data:

1.Turn off the power to the computer and all peripherals.

2.Unplug the power cord from the computer.

3.Unplug the network cable and all connected peripheral devices from the computer.

4.Place the computer on a flat, steady surface.

5.Remove the side panel.

6.If necessary, remove any expansion cards, assemblies or cables that prevent access to the CMOS clear jumper.

7.Locate the JBIOS1 jumper on the mainboard.

8.Remove the jumper block and set it over the 2-3 pins for 20 to 30 seconds.

9.Return the jumper block to its default 1-2 position.

10.Reinstall any expansion card, peripheral, and system cables that have previously been removed.

11.Reinstall the side panel.

12.Connect the AC power cord to the system.

13.Press the power button to turn on the computer.

14.During POST, press Delete to access the Setup Utility.

15.Press F9 to load the system default values.

16.Press F10 to save the changes you made and close the Setup Utility.

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Aspire AX1400 Service Guide

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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 System Features Component DescriptionPorts and LED Indicators AudioAspect Description Physical SpecificationsEnvironmental Requirements System Tour Front ViewRear View ComponentAspire AX1400 Service Guide Cmos Setup Utility System UtilitiesAccessing the Setup Utility Key Function Navigating through the Setup UtilitySetup Utility Menus Product Information Field DescriptionStandard Cmos Features Field Description ValueAdvanced Bios Features EnabledAdvanced Chipset Features AutoIntegrated Peripherals Power Management Setup S3 STRPC Health Status Frequency/Voltage Control Bios Security Features Setting a system passwordTo set a system password Load Default Settings Save & Exit SetupExit Without Saving Aspire AX1400 Service Guide Disassembly Tools Pre-disassembly ProcedureDisassembly Procedures Removing the Side PanelRemoving 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 Power System Check Hardware Diagnostic ProcedureSystem Check Procedures System External InspectionCheckpoints Viewing Bios CheckpointsBoot Block Initialization Code Checkpoints System Internal InspectionBoot Block Recovery Code Checkpoints Post Code Checkpoints Mid Post initialization of chipset registers DIM Code Checkpoints Post Error IndicatorsPost Error Messages Memory Message DescriptionStorage Device Message Description Virus-related Cmos Message Displayed DescriptionIndex of Symptom-to-FRU Error Messages Hard Disk Drive-related Symptoms Symptom/Error Action/FRU Optical Disc Drive-related Symptoms Symptom/Error Action/FRUModem-related Symptoms Symptom/Error Action/FRU Real-Time Clock-related Symptoms Symptom/Error Action/FRUAudio-related Symptoms Symptom/Error Action/FRU Video and Monitor-related Symptoms Symptom/Error Action/FRUPower Supply-related Symptoms Symptom/Error Action/FRU Printer-related Symptoms Symptom/Error Action/FRUKeyboard-related Symptoms Symptom/Error Action/FRU Beep Codes Beep Status Possible CausesPerforming a Bios Recovery Bios RecoveryCreating the Bios Crisis Recovery Disk Bios Update Updating the Bios in DOS ModeUpdating the Bios in Windows Mode Click Start Command Prompt Run as administratorPress Enter to flash the system Bios Page Clearing Cmos To clear the Cmos dataBlock Diagram System ArchitectureMainboard Layout This section shows the major mainboard componentsJumper Setting Jumper Type Description Setting defaultInternal header pin definition Header Name Function DefinitionConnector pin definition Connecting Optional Devices Pin Signal NamePin Signal Name Function AUDIOF1 Front Panel Audio headerConnecting Case Components CPUFAN1 CPU Cooling Fan Power ConnectorFront Panel Header PWR2 ATX 24-pin Power ConnectorPWR1 ATX 12V Power Connector Aspire AX1400 Service Guide Exploded Diagram Field Replaceable Unit FRU ListAspire AX1400 FRU List Category Part Name Description Acer Part NoCASE/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 Processor ChipsetsMemory Hard Disk DriveGigabit Ethernet Optical Disc DriveCard Reader optional Power Supply Unit Power ManagementAspire AX1400 Service Guide Bios IndexBeep codes 60 checkpoints 48 error messages