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Lenovo ThinkCentre A50 User Manual
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Table of Contents
Default Chapter
5
Table of Contents
5
Chapter 1. About this Manual
7
Important Safety Information
7
Strategy for Replacing Frus for CTO, CMV, and GAV Products
8
Product Definition
8
FRU Identification for CTO, CMV, and GAV Products
8
Important Information about Replacing Rohs Compliant Frus
9
Chapter 2. Safety Information
11
General Safety
11
Electrical Safety
11
Safety Inspection Guide
13
Handling Electrostatic Discharge-Sensitive Devices
14
Grounding Requirements
14
Safety Notices (Multi-Lingual Translations)
15
Chapter 3. General Information
47
The Access IBM Program
47
Additional Information Resources
47
Physical Specifications
47
Types 8126, 8174, 8175, and 8176
48
Types 8149, 8177, and 8178
49
Types 8084, 8085, 8147, 8148, and 8179
50
Chapter 4. General Checkout
51
Problem Determination Tips
52
Chapter 5. Diagnostics Using PC-Doctor for DOS
55
Starting PC-Doctor from the Rescue and Recovery Workspace
55
Starting PC-Doctor from a Diagnostic Diskette or CD-ROM
56
Diagnostics Program Download
56
Navigating through the Diagnostics Programs
56
Running Diagnostics Tests
56
Test Selection
57
Test Results
57
Fixed Disk Advanced Test (FDAT)
57
Quick and Full Erase - Hard Drive
59
Viewing the Test Log
60
Chapter 6. Using the Setup Utility
61
Starting the Setup Utility Program
61
Viewing and Changing Settings
61
Exiting from the Setup Utility Program
61
Using Passwords
61
Password Considerations
62
User Password
62
Administrator Password
62
IDE Drive User Password
62
IDE Drive Master Password
62
Setting, Changing, and Deleting a Password
63
Using Security Profile by Device
63
Selecting a Startup Device
64
Selecting a Temporary Startup Device
64
Changing the Startup Device Sequence
64
Advanced Settings
64
Lenovo 2005. Portions © IBM Corp
65
Chapter 7. Symptom-To-FRU Index
65
Hard Disk Drive Boot Error
65
Power Supply Errors
65
Diagnostic Error Codes
67
Beep Symptoms
88
No-Beep Symptoms
90
POST Error Codes
91
Miscellaneous Error Messages
94
Undetermined Problems
96
Chapter 8. Replacing Frus (Types 8126, 8174, 8175, and 8176)
97
Locating Connectors on the Front
97
Locating the Connectors on the Rear
98
Removing the Cover
98
Locating Components
100
Identifying Parts on the System Board
101
Removing and Replacing Memory
102
Removing and Replacing a PCI Adapter
102
Removing and Replacing the Battery
103
Removing and Replacing the Power Supply
104
Removing and Replacing the System Board
105
Removing and Replacing the Microprocessor
105
Removing and Replacing Drives
107
Closing the Cover and Connecting Cables
110
Chapter 9. Replacing Frus (Types 8149, 8177, and 8178)
111
Locating Connectors on the Front
111
Locating Connectors on the Rear
112
Removing the Cover
112
Locating Components
113
Identifying Parts on the System Board
114
Removing and Replacing Memory
115
Removing and Replacing a PCI Adapter
116
Removing and Replacing the Battery
116
Removing and Replacing the Power Supply
117
Removing and Replacing the System Board
118
Removing and Replacing the Microprocessor
119
Removing and Replacing Drives
120
Installing the Cover and Connecting Cables
122
Chapter 10. Replacing Frus
125
Locating Connectors on the Front
126
Locating the Connectors on the Rear
127
Removing the Cover
127
Identifying Parts on the System Board
130
Removing and Replacing Memory
131
Removing and Replacing a PCI Adapter
131
Removing and Replacing the Battery
133
Removing and Replacing the Power Supply
133
Removing and Replacing Drives
137
Closing the Cover and Connecting Cables
139
Chapter 11. FRU Lists
141
Machine Type 8084
141
Machine Type 8085
151
Machine Type 8126
161
Machine Type 8147
165
Machine Type 8148
169
Machine Type 8149
178
Machine Type 8174
184
Machine Type 8175
187
Machine Type 8176
194
Machine Type 8177
198
Machine Type 8178
209
Machine Type 8179
216
Chapter 12. Additional Service Information
219
Security Features
219
Hardware Controlled Passwords
219
Operating System Password
219
Vital Product Data
219
Management Information Format (MIF)
219
BIOS Levels
220
Flash Update Procedures
220
Updating (Flashing) BIOS from a Diskette or CD-ROM
220
Updating (Flashing) BIOS from Your Operating System
220
Recovering from a POST/BIOS Update Failure
221
Power Management
222
Automatic Configuration and Power Interface (ACPI) BIOS
222
Automatic Power-On Features
222
Recovering Software Using the Rescue and Recovery Program
223
Starting the Rescue and Recovery Workspace
223
Appendix. Notices
225
Television Output Notice
226
Trademarks
226
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Lenovo ThinkCentre A50 Specifications
General
Brand
Lenovo
Model
ThinkCentre A50
Category
Desktop
Language
English
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