
Running the diagnostic programs .................58
Diagnostic text messages ....................59
Viewing the test log ......................59
Diagnostic error codes .....................60
Recovering from aBIOS update failure ................72
System-error log messages ....................74
Solving SCSI problems ......................82
Solving power problems .....................82
Solving Ethernet controller problems .................83
Solving undetermined problems...................84
Calling IBM for service ......................85
Chapter 3. Parts listing, System x3400 Types 7973, 7974, 7975 and 7976 87
Replaceable server components ..................88
Power cords ..........................92
Chapter 4. Removing and replacing server components ........95
Installation guidelines ......................95
System reliability guidelines ...................96
Working inside the server with the power on .............96
Handling static-sensitive devices .................97
Returning adevice or component .................97
Removing and replacing Tier 1CRUs ................98
Removing the bezel ......................98
Replacing the bezel ......................99
Removing the side cover .................... 100
Installing the side cover .................... 101
Removing an adapter ..................... 102
Installing an adapter ..................... 103
Removing and installing internal drives .............. 105
Removing ahot-swap power supply ................116
Installing ahot-swap power supply ................118
Removing amemory module ..................119
Installing amemory module................... 120
Removing ahot-swap fan ................... 122
Installing ahot-swap fan .................... 123
Removing the rear system fan cage assembly with baffle ........ 124
Installing the rear system fan cage assembly with baffle ........ 124
Removing the front system fan cage assembly............ 126
Installing the front system fan cage assembly ............ 128
Removing the front USB connector assembly ............. 129
Installing the front USB connector assembly.............. 130
Removing the rear adapter retention bracket ............. 130
Installing the rear adapter retention bracket .............. 131
Removing the front adapter-retention bracket ............. 132
Installing the front adapter-retention bracket .............. 132
Removing and replacing Tier 2CRUs ................ 133
Removing the battery ..................... 133
Installing the battery ..................... 133
Removing the ServeRAID 8k-l adapter............... 134
Installing the ServeRAID 8k-l adapter ............... 135
Removing the ServeRAID-8k adapter ............... 135
Installing the ServeRAID-8k adapter ............... 136
DIMM air duct ........................ 138
Installing the DIMM air duct ................... 139
Removing the control-panel assembly ............... 140
iv System x3400 Types 7973, 7974, 7975, and 7976: Problem Determination and Service Guide