IBM BladeCanter HS20, Installation And User Manual

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Power problems
Power symptom Suggested action
The blade server does not
turn on.
1. Verify that:
a. The power LED on the front of the BladeCenter unit is lit.
b. The LEDs on all the BladeCenter power modules are lit.
c. If the blade server or attached storage expansion unit is in blade bays 7
through 14, power modules are in power bays 1, 2, 3 and 4.
d. The power-on LED on the blade server control panel is flashing slowly.
v
If the power LED is flashing rapidly and continues to do so, the blade
server is not communicating with the management module; reseat the
blade server and go to step 3.
v If the power LED is off, either the blade bay is not receiving power, the
blade server is defective, or the LED information panel is loose or
defective.
e. Local power control for the blade server is enabled (use the BladeCenter
management-module Web interface to verify), or the blade server was
instructed through the management module (Web interface or IBM Director) to
turn on.
2. If you just installed an option in the blade server, remove it, and restart the blade
server. If the blade server now turns on, troubleshoot the option (see the
documentation that comes with the option for information).
3. Try another blade server in the blade bay; if it works, replace the faulty blade
server.
4. If the problem remains, call for service.
Memory problems
Memory symptom Suggested action
The amount of system
memory displayed is less
than the amount of physical
memory installed. Verify that:
v
The memory modules are seated properly.
v You have installed the correct type of memory.
v
If you changed the memory, you updated the memory configuration with the
Configuration/Setup Utility program.
v
All banks of memory on the DIMMs are enabled. The server might have
automatically disabled a DIMM bank when it detected a problem or a DIMM bank
could have been manually disabled.
Look in the POST error log for error message 289:
v
If the DIMM was disabled by a system-management interrupt (SMI), replace the
DIMM.
v If the DIMM was disabled by the user or by POST:
1. Start the Configuration/Setup Utility program.
2. Enable the DIMM.
3. Save the configuration and restart the server.
v If you continue to get this error, replace the DIMM.
If the problem remains, call for service.
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BladeCenter HS20 Type 8832: Installation and User’s Guide