Lenovo 6523 User Manual Page 175
- Page / 216
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
Rated. / 5. Based on customer reviews
v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See the ″Parts Listing″ section in the Hardware Maintenance Manual to determine which components are
customer replaceable units (CRU) and which components are field replaceable units (FRU).
v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a
trained service technician.
A Uncorrectable Bus Error has
occurred on system %1.
(%1 = CIM_ComputerSystem.
ElementName)
Error A bus uncorrectable error
has occurred.
(Sensor = Critical Int CPU)
1. Check the system-event log.
2. Check the microprocessor
error LEDs.
3. Remove the failing
microprocessor from the
system board.
4. Check for a server firmware
update.
Important: Some cluster
solutions require specific code
levels or coordinated code
updates. If the device is part
of a cluster solution, verify
that the latest level of code is
supported for the cluster
solution before you update
the code.
5. Make sure that the two
microprocessors are
matching.
6. (Trained service technician
only) Replace the system
board.
A Uncorrectable Bus Error has
occurred on system %1.
(%1 = CIM_ComputerSystem.
ElementName)
Error A bus uncorrectable error
has occurred.
(Sensor = Critical Int DIM)
1. Check the system-event log.
2. Check the DIMM error LEDs.
3. Remove the failing DIMM
from the system board.
4. Check for a server firmware
update.
Important: Some cluster
solutions require specific code
levels or coordinated code
updates. If the device is part
of a cluster solution, verify
that the latest level of code is
supported for the cluster
solution before you update
the code.
5. Make sure that the installed
DIMMs are supported and
configured correctly.
6. (Trained service technician
only) Replace the system
board.
Chapter 8. Troubleshooting 159
- Installation and User Guide 1
- Contents 5
- Contents v 7
- Safety ix 11
- Safety xi 13
- Safety xiii 15
- Chapter 1. Introduction 17
- 1 Model and machine type 18
- Related documentation 19
- Features and technologies 23
- Specifications 26
- Software 27
- EasyStartup 27
- EasyManage 27
- Front view 31
- 4 Power-on LED 9 USB 1 32
- Rear view 34
- Microprocessor 35
- System-board LEDs 38
- Power-supply LEDs 40
- 1 AC power LED 41
- 2 DC power LED 41
- 3 Fault LED 41
- 4 Fault LED 41
- 5 Power LED 41
- Server power features 42
- Turning on the server 42
- Turning off the server 44
- Installation guidelines 45
- System reliability guidelines 46
- Server components 48
- Removing the side cover 48
- Installing the side cover 49
- Removing the two-piece bezel 50
- Installing the lower bezel 52
- Installing the upper bezel 53
- Removing a memory module 53
- Installing a memory module 54
- Unbuffered DIMMs (UDIMMs) 55
- Registered DIMMs (RDIMMs) 56
- First pair of DIMMs 1, 4 58
- Second pair of DIMMs 2, 5 58
- Third pair of DIMMs 3, 6 58
- Removing a DVD drive 60
- Installing a DVD drive 61
- Removing a tape drive 63
- Installing a tape drive 64
- 1 EMC shield 65
- 2 Tape drive 65
- 3 Drive retainer clip 65
- 1 Drive-tray assembly 66
- Removing an adapter 71
- Installing an adapter 73
- Removing a PCI card 75
- Installing a PCI card 76
- 1 Mounting bracket (feet) 78
- 2 Mounting tab 78
- 4 Virtual media key (front) 78
- 1 Mounting bracket (rear) 79
- 1 Release lever 82
- 2 Hot-swap power supply 82
- Completing the installation 83
- Reinstalling the side cover 86
- Connecting the cables 87
- Connecting external devices 87
- Removing the rear system fan 89
- 1 Drive cage release tab 91
- 2 Hard disk drive cage 91
- 1 Release tabs 92
- 3 Slot 92
- 1 Retaining tab 95
- 2 Drive cage release tab 95
- 3 Locating pins 95
- 4 Simple-swap backplate 95
- 5 Retaining latch 95
- 1 Locating pins 97
- 2 Retaining tab 97
- 3 Retaining latch 97
- 4 Drive cage release tab 97
- Removing the battery 105
- Installing the battery 105
- Removing and replacing FRUs 106
- 1 Battery 109
- 2 Battery carrier 109
- 3 RAID adapter 109
- 1 ServeRAID-MR10is 111
- 2 PCI slot 112
- Thermal grease 118
- Removing the system board 120
- Installing the system board 122
- Using the Setup Utility 126
- Starting the Setup Utility 126
- Setup Utility menu choices 126
- Passwords 129
- Power-on password 130
- Administrator password 130
- Starting the WebBIOS utility 131
- Setup and configuration 134
- Configuring RAID 135
- Formatting a hard disk drive 136
- Updating the firmware 138
- Installation requirements 142
- Installation order 143
- Chapter 8. Troubleshooting 145
- General problems 146
- Hard disk drive problems 146
- Intermittent problems 147
- Memory problems 149
- Microprocessor problems 150
- Monitor problems 151
- Optional-device problems 152
- Power problems 154
- Serial port problems 155
- Software problems 156
- Solving power problems 156
- Solving undetermined problems 158
- Event logs 158
- System-event log 160
- POST error codes 161
- User’s Guide on the Web 168
- Diagnostic text messages 193
- Viewing the test log 193
- Diagnostics messages 194
- Before you call 195
- Using the documentation 195
- Calling for service 196
- Using other services 196
- Lenovo product service 197
- Appendix B. Notices 199
- Trademarks 200
- Important notes 200
- Appendix B. Notices 185 201
- Particulate contamination 202
- Hazardous Substances 203
- Battery return program 204
- Electronic emission notices 205
- Appendix B. Notices 191 207
- Index 195 211
- Index 197 213
- Printed in USA 216
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