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IBM
Laptop
ThinkPad 310ED
Hardware Maintenance Manual
Page 82 (Lower Base)
IBM ThinkPad 310ED - Lower Base
121 pages
Manual
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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
81
83
Table of Contents
Main Page
Introduction
10
How to Use Error Messages
11
How to Read POST Error Messages
11
Safety Notices (Multi-lingual Translations)
12
Safety Information
19
General Safety
19
Electrical Safety
20
Safety Inspection Guide
21
Handling Electrostatic Discharge Sensitive Devices
23
Grounding Requirements
23
Laser Compliance Statement
24
ThinkPad 310, 310D, 310E, 310ED
26
Read This First
26
Note for Warranty:
27
How to Disable the Power-On Password:
28
Checkout Guide
28
Memory Checkout
29
System Board Checkout
30
Keyboard and External Input Device Checkout
30
Audio Board Checkout
31
TrackPoint III Checkout
31
Diskette Drive Test
32
CD-ROM Drive Test
33
Power System Checkout
33
Checking the AC Adapter:
34
Checking Operational Charging:
35
Checking the Battery Pack:
35
BIOS Utility
36
Power Management Features
37
Symptom-to-FRU Index
39
Numeric Error Codes and Messages
39
Beep Symptoms
42
No Beep Symptoms
43
LCD-Related Symptoms
43
Keyboard/TrackPoint-Related Symptoms
44
Indicator-Related Symptoms
45
Power-Related Symptoms
45
PC Card (PCMCIA)-Related Symptoms
45
Memory-Related Symptoms
45
Speaker-Related Symptoms
46
Power Management-Related Symptoms
46
Peripheral-Device-Related Symptoms
47
Intermittent Problems
47
Undetermined Problems
48
Related Service Procedures
49
Status Indicators
49
Power Switch
50
Running PQA Diagnostics Program
50
PC Test Card LED
53
PQA Diagnostic Program Error Codes
53
Running Fan Diagnostics Program
54
Utility Program Diskette
54
Setting Thermal Sensor Threshold
54
Setting Inverter ID
55
Fn Key Combinations
55
Product Overview
57
FRU Removals and Replacements
58
I/O Door
60
Battery Pack and Battery Pack Door
60
Hard Disk Drive and Hard Disk Drive Door
61
DIMM and DIMM Door
63
Hinge Cover
64
Keyboard
66
Thermal Plate/CPU
67
Diskette Drive/CD-ROM Drive
69
LCD Removal and Replacement
72
LCD Bezel:
73
LCD, LCD Cover, LCD FPC Cable, LCD Left
74
LCD Right Hinge and LCD Diaper
75
Inside Assembly
76
Upper Base
76
TrackPoint Board, TrackPoint Button
77
Fan
78
Audio Connector Board
79
Battery Connector Board
80
Speaker and Cover Switch Cables
81
Lower Base
82
PCMCIA Door and PCMCIA Door Spring
84
Charger Board
85
System Board:
86
Backup Battery:
87
Keyboard Connector Board
88
PCMCIA Slot Assembly
89
Locations
90
Front View
90
Bottom View
91
Rear View
92
Switch Locations
93
310 - System Unit Parts Listing
95
310D - System Unit Parts Listing
96
310/310D - System Unit FRU List
97
310/310D LCD Unit Parts Listing
100
310E System Unit Parts Listing
102
310ED System Unit Parts Listing
103
310E/310ED System Unit FRU List
104
310E/310ED LCD Unit Parts Listing
107
310E/310ED LCD Module FRU list
108
310E (2600-Axx/Cxx/Exx/Fxx) System Unit Parts Listing
109
310ED (2600-Bxx/Dxx) System Unit Parts Listing
110
310E/ED (2600-Axx/Bxx/Cxx/Dxx/Exx/Fxx) System Unit FRU List
111
310E/310ED LCD Unit Parts Listing
114
310/310E/310D/310ED Miscellaneous and Other Parts
116
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