RTC Jumper | Acer 4020 manual

RTC Jumper

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Chapter 5

Image 90

Acer 4020 manual RTC Jumper

Contents

Acer TravelMate 4020 Series Revision History Copyright Disclaimer Conventions Screen Messages Preface Page Features Chapter Storage Battery Mainboard Placement Top View Rear View Description Block Diagram 5V / 3.3V Outlook View Open ViewDescription Front Panel Icon Description Left View Right View Power jack Connects to an AC adapter External display port Bottom View Indicators Easy-launch buttons Touchpad Touchpad Basics Lock Key Description Using the KeyboardLock keys and embedded numeric keypad Desired action Num Lock on Num Lock off Hot Keys Key Description Special Keys Hot Key Function Description Euro symbol US dollar sign Using System Utilities Acer eManager Launch Manager System Board Major Chips Hardware Specifications and ConfigurationsProcessor Specification L2 Cache Modem/Bluetooth Interface Specification System Memory SpecificationLAN Interface Specification USB Port Specification Pcmcia Port Specification Keyboard Specification LCD 15.4 Wxga Specification Battery SpecificationPackage configuration Mechanical Specifications AC Adapter Specification SpecificationsMechanical Specification Input Requirements Dynamic Output Characteristics Output Ratings CV modeOutput Ratings CC mode Power Management Acpi Mode Environmental Requirements Dimensions and Weight DetailsLogical Configuration Data Storage Physical Toshiba Ambient Temperature Nominal Power RequirementsPhysical & Environmental Specs Dimensions/Weight Reliability Characteristics Error Rates Preventive Maintenance Bios Setup Utility System Utilities Information Parameter Description Uuid Advanced Security Boot Exit Main F12 Boot Menu Security Boot Exit Advanced Security Parameter Description Option Characters 0-9,A-Z not case sensitive Set Supervisor/User PasswordDisabled Enter Setup Notice Changes have been saved Continue Boot Exit Info Main Advanced Security Boot Exit Chapter Machine Disassembly and Replacement General Information Before You Begin Chapter Disassembly Procedure Flowchart Screw List Description Removing the Battery Pack Removing the Memory and the Wireless LAN Card Removing the HDD Module Removing the Thermal Module and CPU Removing the ODD Module Removing the LCD Module Disassembling the Main Unit Disassembling the Upper Case Assembly Disassembling the Lower Case Assembly Chapter Disassembling the LCD Module Chapter Disassembling the External Modules Disassembling the Optical Drive Module Chapter Troubleshooting External CD-ROM Drive Check System Check ProceduresExternal Diskette Drive Check Keyboard or Auxiliary Input Device Check Power System Check Memory check Touchpad Check Power-on Self-Test Error Messages Index of Error Messages Error Code ListError Message List CPU ID No beep Error Messages FRU/Action in Sequence Phoenix Bios Beep Codes Code Beeps Post Routine Description Code Beeps Post Routine Description Chapter Code Beeps Post Routine Description Indicator-Related Symptoms Index of Symptom-to-FRU Error MessageLCD-Related Symptoms Power-Related Symptoms Speaker-Related Symptoms PCMCIA-Related SymptomsMemory-Related Symptoms Power Management-Related Symptoms Peripheral-Related Symptoms Keyboard/Touchpad-Related SymptomsModem-Related Symptoms Intermittent Problems Undetermined Problems Dimm Chapter Jumper and Connector Locations Top View Rear View VGA RAM RTC Jumper FRU Field Replaceable Unit List Exploded Diagram Illustration Part Name Description Acer P/N Touch PAD Board ZL1A Touch PAD Lower Case W ZL3A Base Assy W/O DVD/CDRW Combo ZI6 Combo SBW-242C DVD Dual Drive ZL6 DVD Rwdual ZL1A K/B EUGO-U/I LCD Cable 15 ZL1A 15 LCD Cabel LCD Module 15 ZL1 15 LCD SXGA+ LCD Module 15.4 ZL1A 15.4 LCD Wxga Samsung LTN154X3 Samsung Panel UMA W/PCMCIA Slot CPU Memory Memory DDR333 Name Plate ZL3A Name Plate S Screw M2.5*4L-BZN ET2S Screw 100 Chapter