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Acer 3050 manual Jumper Settings/Clear Bios Password Procedures, U22 South Bridge SB460, PJ1

Models: 3050

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11	U22	South Bridge SB460	24	PJ1	Battery Connector
12	CN19	PCMCIA Connector	25	SW11	Wireless Switch
13	CN13	ODD Connector	26	SW12	Bluetooth Switch

Jumper Settings/Clear BIOS Password Procedures

1.Please see the bottom side of the main board.

2.Find G1 jumper and short the jumper to clear BIOS password.

G1: CMOS clear Jumper

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Chapter 1

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Acer 3050 manual Jumper Settings/Clear Bios Password Procedures, U22 South Bridge SB460, PJ1

Contents

Aspire 5050/3050 Series Service Guide Revision History Copyright IIIProcedures Gives precautionary measures toProblems Following conventions are used in this manualPreface Page Table of Contents Chapter Troubleshooting ViiiFeatures ChapterPorts AudioCommunication EnvironmentSystem Block Diagram ZR3Board Layout Top ViewBottom View PJ1 Jumper Settings/Clear Bios Password ProceduresU22 South Bridge SB460 Your Acer Notebook tour Front ViewLatch Locks and release the lid Power indicator Closed Front ViewLeft View Right ViewDVDs slot-load or tray-load Rear PanelOptical drive Depending on modelBottom Panel IndicatorsComputer has four easy-to-read status indicators Chapter MemoryEasy-Launch Buttons HDDTouchpad Basics Chapter Windows Keys Using the KeyboardLock Keys and embedded numeric keypad Caps LockHot Keys Ion key Context menuSpecial Key Euro symbol US dollar signAcer ePower Management Acer Empowering TechnologyEmpowering Technology password Battery status Acer ePresentation Management Acer eDataSecurity Management for selected models Chapter Acer eLock Management Acer eRecovery Management Acer eSettings Management Acer ePerformance ManagementLens Acer OrbiCamGetting to know your Acer OrbiCam Resolution Changing the Acer OrbiCam settingsPower indicator Rubber grip selected models only Launching the Acer OrbiCamPage Using the Acer OrbiCam as webcam Capturing photos or videosUsing the System Utilities Acer GridVista dual-display compatibleLaunch Manager ATI RS485+ATI SB460 Hardware Specifications and ConfigurationsProcessor CPU Fan True Value TableSecond Level Cache System MemoryLAN Interface Memory Combinations0MB Modem InterfaceHard Disk Drive Interface Bluetooth InterfaceWireless Module 802.11b/g 2MB Combo Drive InterfaceVendor & model name Reads data in DVD-ROMDVD-Super Multi Interface Video Memory Audio InterfaceVideo Interface USB PortKeyboard BatterySystem Board Major Chips LP141WX1-TLA1 LCD 14.1 inchLG LPL LP141WX1-TLA2AC Adaptor System Power ManagementLCD Inverter Bios Setup Utility System UtilitiesNavigating the Bios Utility Information ← → Select Menu Enter Select 4Sub-Menu F10 Save and ExitParameter Description Security Boot Exit MainParameter Description Format/Option Boot Exit SecuritySetting a Password Clear or SetRemoving a Password Changing a PasswordChapter Boot CD-ROM Pioneer DVD-RW DVR-K17RS- PMExit Table below describes the parameters in this screenBios Flash Utility Remove HDD Password Remove HDD/BIOS UtilityThis section provide you with removing HDD/BIOS method Remove Bios Password Key in biospw 14452 Choose one upper-case string Chapter Chapter Machine Disassembly and Replacement General Information Before You BeginDisassembly Procedure Flowchart Screw List Description Part NumberRemoving the Battery Pack Removing the Memory/the Wireless LAN Card/the Modem Board Removing the HDD ModuleRemoving the ODD Module Removing the LCD Module including KeyboardChapter Disconnect the Bluetooth cable from the main board Chapter Disassembling the Upper Case AssemblyDisassembling the Lower Case Assembly Disassembling the Main UintChapter Chapter Disassembling the LCD Module with video camera Page Disassembling the ODD Module Disassembling the External ModulesDisassembling the HDD Module Troubleshooting Symptoms Verified Go ToExternal CD-ROM Drive Check System Check ProceduresExternal Diskette Drive Check Keyboard or Auxiliary Input Device CheckPower System Check Memory checkCheck the Power Adapter Check the Battery Pack Touchpad CheckPower-On Self-Test Post Error Message Error Message List Error Messages FRU/Action in Sequence Index of Error MessagesError Code List Error Codes Error Messages Bios ROMCPU ID Dimm Bios ROMCmos Dimm LCD PostPhoenix Bios Beep Codes Code Beeps Post Routine DescriptionSetup Code Beeps Post Routine Description Code Beeps Code Beeps Power-Related Symptoms Symptom / Error Action in Sequence Index of Symptom-to-FRU Error MessageLCD-Related Symptoms Symptom / Error Action in Sequence Speaker-Related Symptoms Symptom / Error Action in Sequence PCMCIA-Related Symptoms Symptom / Error Action in SequenceMemory-Related Symptoms Symptom / Error Action in Sequence Symptom / Error Action in SequencePage Modem-Related Symptoms Symptom / Error Action in Sequence Intermittent Problems Undetermined Problems CN4,5,28 In-1 Card Reader Connector Chapter Top ViewCRT Connector CN22 Internal Speaker Connector U16 Bottom ViewJumper Settings/Clear Bios Password Procedures Chapter FRU Field Replaceable Unit List Aspire 5050/3050 Exploded Diagram Aspire 5050/3050 FRU List Category Part Name and Description Acer Part NoNot contain the black mylar as Image shows Lowercase W/SPEAKER Combo Module Optical Bezel Gbase for Dual HDD 60GB Seagate ST96812A H3M06 Portuga Keyboard 88KEY Darfon NSK AEK0D Danish Keyboard 89KEY Darfon NSK Wireless Antenna LEFT/RIGHT Glare LCD Screw Rubber LCD Appendix a 112 Appendix aAspire 5050 Series Appendix a Appendix a 114 115 Appendix a 116 117 Appendix a 118 119 Appendix a 120 121 Appendix a 122 123 Appendix a 124 125 Appendix a 126 127 Appendix a 128 129 Appendix a 130 131 Appendix a 132 133 Aspire 3050 Series Appendix a 134135 Appendix a 136 137 Appendix a 138 Test Compatible Components Appendix BMicrosoft Windows XP Pro Environment Test CRT Port TestAppendix B 141 USB 2.0-HUBMicrosoft Windows XP Home Environment Test Appendix B 143 144 Online Support Information Appendix C146 Index Index Index 149