IBM 7870B4U, Service Manual

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Optional-device problems
Use this information to diagnose and resolve optional-device problems.
Follow the suggested actions in the order in which they are listed in the Action
column until the problem is solved.
v
See Chapter 4, “Parts listing,” on page 41 to determine which components are CRUs and which components
are FRUs.
v
If an action step is preceded by “(Trained service technician only),” that step must be performed only by a
trained service technician.
Symptom Action
An IBM optional device that
was just installed does not
work.
1. Make sure that:
v
The device is designed for the blade server. See http://www.ibm.com/
servers/eserver/serverproven/compat/us/.
v
You followed the installation instructions that came with the device and the
device is installed correctly. See the instructions that came with the device.
v
You have not loosened any other installed devices or cables.
v
You updated the configuration information in the Setup utility program.
Whenever memory or any other device is changed, you must update the
configuration. See “Setup utility menu” on page 22.
2.
If the device comes with its own test instructions, use those instructions to test
the device.
3. Reseat the device that you just installed. See “Removing and replacing field
replaceable units (FRUs)” on page 84.
4. Replace the device that you just installed. See “Removing and replacing field
replaceable units (FRUs)” on page 84.
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BladeCenter HS22 Type 7870, 1936, and 1911: Problem Determination and Service Guide