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Manuals and User Guides for IBM 7941. We have
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IBM 7941 manual available for free PDF download: Problem Determination And Service Manual
IBM 7941 Problem Determination And Service Manual (160 pages)
IBM System x3455 Type 7940 and 7941
Brand:
IBM
| Category:
Server
| Size: 12.07 MB
Table of Contents
Table of Contents
5
Safety
9
Guidelines for Trained Service Technicians
10
Inspecting for Unsafe Conditions
10
Guidelines for Servicing Electrical Equipment
10
Safety Statements
12
Chapter 1. Introduction
19
Related Documentation
19
Notices and Statements in this Document
20
Features and Specifications
21
Server Controls, Leds, and Connectors
23
Front View
23
Rear View
24
Internal Leds, Connectors, and Jumpers
25
System-Board Internal and Option Connectors
25
Operator Information Panel Controls and Internal Connectors
26
System-Board Switches and Jumpers
27
System-Board External Connectors
29
System-Board Leds
30
Chapter 2. Configuration Information and Instructions
33
Updating the Firmware
33
Configuring the Server
33
Using the Configuration/Setup Utility Program
33
Configuring the Ethernet Controller
34
Updating the BMC Firmware
34
Updating the UUID
35
Updating the DMI/SMBIOS Data
35
Chapter 3. Parts Listing, Type 7940 and 7941 Servers
37
Replaceable Server Components
39
Product Recovery Cds
41
Power Cords
43
Chapter 4. Removing and Replacing Server Components
47
Installation Guidelines
47
System Reliability Guidelines
48
Handling Static-Sensitive Devices
48
Returning a Device or Component
48
Removing and Replacing Tier 1 Crus
49
Removing the Cover
49
Installing the Cover
49
Removing an Air Baffle
50
Installing an Air Baffle
51
Removing a Riser-Card Assembly
51
Installing a Riser-Card Assembly
52
Removing an Adapter
53
Installing an Adapter
54
Removing the CD or DVD Drive
54
Installing the CD or DVD Drive
56
Removing a Memory Module (DIMM)
57
Installing a Memory Module
58
Removing a Fan
60
Installing a Fan
61
Removing the System-Board Battery
61
Installing the System-Board Battery
62
Removing the Power Supply
64
Installing the Power Supply
66
Removing and Replacing Tier 2 Crus
67
Removing the Operator Information Panel
67
Installing the Operator Information Panel
68
Removing the CD or DVD Backplane
69
Installing the CD or DVD Backplane
70
Removing the Front Hard Disk Drive Cage Assembly
71
Installing the Front Hard Disk Drive Cage Assembly
72
Removing the Rear Hard Disk Drive Cage Assembly
73
Installing the Rear Hard Disk Drive Cage Assembly
74
Removing the Front Hard Disk Drive
74
Installing the Front Hard Disk Drive
75
Removing the Rear Hard Disk Drive
76
Installing the Rear Hard Disk Drive
77
Removing and Replacing Frus
79
Removing a Microprocessor
79
Installing a Microprocessor
80
Removing the System Board
82
Installing the System Board
83
Chapter 5. Diagnostics
85
Diagnostic Tools
85
Post
85
POST Beep Codes
85
Error Logs
94
POST Error Codes
95
Checkout Procedure
101
About the Checkout Procedure
101
Performing the Checkout Procedure
102
Troubleshooting Tables
104
CD or DVD Drive Problems
104
General Problems
105
Hard Disk Drive Problems
106
Intermittent Problems
106
USB Keyboard, Mouse, or Pointing-Device Problems
107
Memory Problems
108
Microprocessor Problems
109
Monitor or Video Problems
110
Optional-Device Problems
112
Power Problems
113
Serial Port Problems
114
Serverguide Problems
114
Software Problems
115
Universal Serial Bus (USB) Device Problems
115
System Board Error Leds and the Light Path Button
116
Light Path Button
117
Power-Supply Leds
117
Diagnostic Programs, Messages, and Error Codes
119
Running the Diagnostic Programs
119
Diagnostic Text Messages
120
Viewing the Test Log
120
Diagnostic Error Codes
121
Recovering from a BIOS Update Failure (Clearing CMOS)
125
BMC System-Event Log Messages
127
IPMI BMC System-Event Log Messages
128
BIOS-Logged BMC System-Event Log Messages
133
Resetting Passwords
135
Solving Power Problems
137
Solving Ethernet Controller Problems
137
Video Adapter Information
138
Solving Undetermined Problems
139
Problem Determination Tips
139
Calling IBM for Service
140
Appendix A. Getting Help and Technical Assistance
143
Before You Call
143
Using the Documentation
143
Getting Help and Information from the World Wide Web
144
Software Service and Support
144
Hardware Service and Support
144
Appendix B. Notices
145
Trademarks
145
Important Notes
146
Product Recycling and Disposal
147
Battery Return Program
148
Electronic Emission Notices
149
Federal Communications Commission (FCC) Statement
149
Industry Canada Class a Emission Compliance Statement
150
Australia and New Zealand Class a Statement
150
United Kingdom Telecommunications Safety Requirement
150
European Union EMC Directive Conformance Statement
150
Taiwanese Class a Warning Statement
151
Chinese Class a Warning Statement
151
Japanese Voluntary Control Council for Interference (VCCI) Statement
151
Index
153
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