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