IBM 310, 310D, 310E, 310ED

Lower Base

Important: To remove the chassis with the system board

out of the lower base, the PCMCIA slot buttons should be

upright then pushed in (.1/→.2/) before you begin this

removal procedure.

ThinkPad 310, 310D, 310E, 310ED (2600) 57

Contents

Main Page IBM ii About This Manual Related Publications iv The following mobile product publications are available through IBM or your IBM Authorized Dealer. Related Diskettes The following diskettes are available through IBM or your IBM Authorized Dealer. Contents Page Introduction FRU Replacement Strategy only Hard Disk Drive Replacement Strategy: How to Use Error Messages How to Read POST Error Messages viii Safety Notices (Multi-lingual Translations) x Page xii Page xiv Page Safety Information General Safety xvi Electrical Safety exposed Never assume check with the power on Safety Inspection Guide xviii Page Handling Electrostatic Discharge-Sensitive Devices Grounding Requirements xx Laser Compliance Statement xxii ThinkPad 310, 310D, 310E, 310ED (2600) Read This First How to Use Error Messages: How to Diagnose Multiple FRUs: What to Do First: Note for Warranty: 2 How to Disable the Power-On Password: Checkout Guide Memory Checkout 4 System Programs in Flash Memory: Flash Memory Update: System Board Checkout Keyboard and External Input Device Checkout Audio Board Checkout TrackPoint III Checkout 6 Diskette Drive Test CD-ROM Drive Test Power System Checkout 8 Checking the AC Adapter: Checking Operational Charging: Checking the Battery Pack: 10 BIOS Utility Navigating the BIOS Utility Screens 12 Power Management Features Standby Mode: Hibernation Mode: Symptom-to-FRU Index 14 Numeric Error Codes and Messages ThinkPad 310, 310D, 310E, 310ED (2600) 15 16 Beep Symptoms ThinkPad 310, 310D, 310E, 310ED (2600) 17 No Beep Symptoms LCD-Related Symptoms 18 Keyboard/TrackPoint-Related Symptoms ThinkPad 310, 310D, 310E, 310ED (2600) 19 Indicator-Related Symptoms Power-Related Symptoms 20 PC Card (PCMCIA)-Related Symptoms Memory-Related Symptoms Speaker-Related Symptoms Power Management-Related Symptoms ThinkPad 310, 310D, 310E, 310ED (2600) 21 Peripheral-Device-Related Symptoms Intermittent Problems 22 Undetermined Problems Related Service Procedures Status Indicators 24 Power Switch Diagnostic Program Diskette Running PQA Diagnostics Program 26 Page Note: The F1 and F2 keys function only after you finish configuring the Test option. PC Test Card LED 28 PQA Diagnostic Program Error Codes and Messages Running Fan Diagnostics Program Utility Program Diskette Setting Thermal Sensor Threshold Setting Inverter ID Fn Key Combinations 30 ThinkPad 310, 310D, 310E, 310ED (2600) 31 Product Overview 32 The following is an overview of the system features. FRU Removals and Replacements 34 Page Hard Disk Drive and Hard Disk Drive Door 36 Page DIMM and DIMM Door 38 Page 40 Keyboard Thermal Plate/CPU 42 Page Diskette Drive/CD-ROM Drive 44 Page 46 LCD Removal and Replacement LCD Display Module LCD Bezel: 48 LCD, LCD Cover, LCD FPC Cable, LCD Left Hinge, and Inverter: LCD Right Hinge and LCD Diaper 50 Inside Assembly Upper Base Page Fan Page Battery Connector Board Page Page 58 Page Charger Board 60 System Board: Backup Battery: 62 Page PCMCIA Slot Assembly 64 Locations Front View Page Rear View Switch Locations CPU Settings 68 CPU Voltage (S1) Settings Page Page Page 310/310D - System Unit FRU List 72 ThinkPad 310, 310D, 310E, 310ED (2600) 73 74 310/310D LCD Unit Parts Listing ThinkPad 310, 310D, 310E, 310ED (2600) 75 76 Page Page 310E/310ED System Unit FRU List ThinkPad 310, 310D, 310E, 310ED (2600) 79 80 ThinkPad 310, 310D, 310E, 310ED (2600) 81 Page 310E/310ED LCD Module FRU list ThinkPad 310, 310D, 310E, 310ED (2600) 83 Page Page 310E/310ED (2600-Axx/Bxx/Cxx/Dxx/Exx/Fxx) System Unit FRU List 86 ThinkPad 310, 310D, 310E, 310ED (2600) 87 88 310E/310ED LCD Unit Parts Listing ThinkPad 310, 310D, 310E, 310ED (2600) 89 90 310/310E/310D/310ED Miscellaneous and Other Parts Miscellaneous ThinkPad 310, 310D, 310E, 310ED (2600) 91 92 ThinkPad 310, 310D, 310E, 310ED (2600) 93 Others 94 Notices Trademarks