
Diagnostic programs, messages, and error codes ............60
Running the diagnostic programs .................60
Diagnostic text messages ....................61
Viewing the test log ......................61
Diagnostic error codes .....................61
Real Time Diagnostics ......................78
Recovering from aBIOS update failure ................78
System-error log messages ....................80
POST and SMI error messages...................92
Solving SCSI problems ..................... 104
Solving power problems ..................... 105
Solving Ethernet controller problems ................ 105
Solving undetermined problems .................. 106
Calling IBM for service ..................... 107
Chapter 3. Parts listing, Type 8878 and 8879 ............ 109
Server replaceable units ..................... 111
Power cords .........................113
Chapter 4. Removing and replacing server components ........117
Installation guidelines ......................117
System reliability guidelines ...................118
Working inside the server with the power on.............119
Handling static-sensitive devices .................119
Returning adevice or component.................119
Connecting the cables...................... 120
Removing and replacing Tier 1CRUs ................ 121
Adapter .......................... 121
DVD drive ......................... 122
Hot-swap fan ........................ 123
Hot-swap power supply .................... 124
Memory card and memory module (DIMM) ............. 126
Remote Supervisor Adapter II SlimLine .............. 129
ServeRAID-8i adapter ..................... 130
Top cover and bezel ..................... 131
Removing and replacing Tier 2CRUs ................ 132
Battery .......................... 132
I/O board ......................... 133
Operator information panel assembly ............... 135
PCI-X adapter guide ..................... 136
Power-supply structure .................... 137
SAS backplane ....................... 138
Removing and replacing FRUs .................. 139
Front-panel assembly ..................... 139
Microprocessor tray and microprocessor .............. 140
PCI-X board assembly .................... 145
PCI-X switch card assembly .................. 146
Power backplane ...................... 147
Scalability cartridge assembly .................. 149
Chapter 5. Configuration information and instructions ........ 151
Updating the firmware ...................... 151
Configuring the server ...................... 151
Using the ServerGuide Setup and Installation CD........... 151
Using the UpdateXpress program ................ 152
Using the Configuration/Setup Utility program ............ 152
iv IBM System x3950 Type 8878 and System x3950 EType 8879: Problem Determination and Service Guide