
Removing the BladeCenter PCI Express I/O Expansion Unit ........32
Removing the blade-server front bezel assembly ............33
Installing the optional modular flash drive ...............34
Removing the optional modular flash drive...............35
Installing an optional high-speed expansion card ............36
Removing an optional high-speed expansion card ............38
Adding or changing system memory .................39
Adding or changing I/O buffer DDR2 memory modules ..........41
Replacing DIMM fillers ......................42
Installing the optional SAS expansion card...............43
Installing the BladeCenter PCI Express I/O Expansion Unit ........44
Replacing the system board base and planar..............45
Replacing the battery ......................46
Replacing the retention clip for the modular flash drive ..........48
Using the miscellaneous parts kit ..................49
Replacing the ball studs ....................50
Finishing the installation .....................50
Installing the front bezel assembly .................51
Closing the blade server cover ..................52
Input/output connectors and devices .................53
Chapter 5. Diagnostics and troubleshooting .............55
Prerequisites..........................55
Basic checks .........................55
Finding troubleshooting information .................56
Troubleshooting charts ......................56
Problems indicated by the front panel LEDs .............57
Problems indicated by the system board LEDs ............58
Power problems .......................62
Power throttling.......................62
Network connection problems ..................62
Service processor problems ...................63
Software problems ......................63
Recovering the system firmware code ................64
Checking the boot image ....................64
Booting from the TEMP image ..................64
Recovering the TEMP image from the PERM image ..........64
Supported boot media ......................65
Booting the system .......................65
Diagnostic programs and messages .................67
Running diagnostics and preboot DSA ...............67
Diagnostic text messages ....................68
Viewing the test log ......................68
DSA error messages......................69
CPU test results .......................69
BMC test results .......................69
Memory tests ........................75
System firmware startup messages .................76
Checkpoints ..........................77
Boot errors and handling .....................77
Boot list ..........................77
System firmware update errors ..................79
System memory errors .....................80
USB errors .........................83
Network boot errors ......................84
SAS boot errors .......................86
iv BladeCenter QS22 Type 0793: Problem Determination and Service Guide