
Thermal grease ........... 89
Removing the system-board assembly .... 90
Installing the system-board assembly ..... 91
Chapter 6. Diagnostics ........ 93
Service bulletins ............. 93
Checkout procedure ........... 93
About the checkout procedure ....... 93
Performing the checkout procedure ..... 94
Diagnostic tools overview ......... 94
POST ................ 95
Event logs .............. 96
Viewing event logs through the Setup utility 97
Viewing event logs without restarting the
blade server ............ 97
UEFI/POST error codes ......... 98
UEFI/POST error codes ........ 99
IMM error messages ........... 128
Troubleshooting tables .......... 169
General problems ........... 169
Hard disk drive problems ........ 170
Intermittent problems ......... 171
Keyboard or mouse problems ....... 171
Memory problems........... 172
Monitor or video problems ........ 173
Network connection problems....... 174
Optional-device problems ........ 175
Power error messages ......... 176
Power problems ........... 179
Removable-media drive problems ..... 181
ServerGuide problems ......... 182
Service processor problems ........ 183
Software problems........... 183
Universal Serial Bus (USB) port problems ... 184
Light path diagnostics .......... 185
Viewing the light path diagnostics LEDs in the
blade server ............. 185
Blade server light path diagnostics LEDs ... 186
BladeCenter GPU expansion unit LED .... 189
BladeCenter GPU expansion unit light path
diagnostics LEDs ........... 190
IBM Dynamic System Analysis Preboot diagnostic
program ............... 191
Running the diagnostic programs ..... 191
Diagnostic text messages ........ 192
Viewing the test results ......... 193
Diagnostic messages .......... 193
IMM self tests ............. 194
Broadcom Ethernet device tests ....... 198
CPU stress tests ............ 201
Memory self tests ............ 203
Optical drive self tests .......... 210
Storage drive self tests .......... 215
Tape alert flags ............. 216
Recovering from a UEFI update failure ..... 217
In-band manual recovery method ..... 217
Out-of-band manual recovery method .... 219
In-band automated boot recovery method ... 220
Out-of-band automated boot recovery method 220
Automated boot recovery (ABR) ....... 221
Nx boot failure ............. 221
Solving SAS hard disk drive problems ..... 221
Solving shared BladeCenter resource problems .. 222
Keyboard or mouse problems ....... 222
Media tray problems .......... 223
Network connection problems....... 224
Power problems ........... 225
Video problems............ 225
Solving undetermined problems ....... 226
Problem determination tips......... 227
Appendix. Getting help and technical
assistance............. 229
Before you call ............. 229
Using the documentation ......... 230
Getting help and information from the World Wide
Web ................ 230
How to send DSA data to IBM ....... 230
Creating a personalized support web page ... 231
Software service and support ........ 231
Hardware service and support ....... 231
IBM Taiwan product service ........ 231
Notices .............. 233
Trademarks .............. 234
Important notes ............ 234
Particulate contamination ......... 235
Documentation format .......... 236
Telecommunication regulatory statement .... 236
Electronic emission notices ......... 237
Federal Communications Commission (FCC)
statement.............. 237
Industry Canada Class A emission compliance
statement.............. 237
Avis de conformité à la réglementation
d'Industrie Canada .......... 237
Australia and New Zealand Class A statement 237
European Union EMC Directive conformance
statement.............. 238
Germany Class A statement ....... 238
Japan VCCI Class A statement....... 239
Japan Electronics and Information Technology
Industries Association (JEITA) statement ... 240
Korea Communications Commission (KCC)
statement.............. 240
Russia Electromagnetic Interference (EMI) Class
A statement ............. 240
People's Republic of China Class A electronic
emission statement .......... 240
Taiwan Class A compliance statement .... 240
Index ............... 241
iv BladeCenter HS23E Type 8038 and 8039: Problem Determination and Service Guide