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v 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, Types 8014, 8028 and 1916," on page 25 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.
Error message
Microprocessor halted
Microprocessor temperature warning
Firmware (BIOS) backup ROM corruption,
System board failure
Action
1. Remove the blade server from the
BladeCenter unit; then, reinstall it. See
"Removing the blade server from the
BladeCenter unit" on page 33 and
"Installing the blade server in a
BladeCenter unit" on page 34.
2. Reseat the microprocessor - See
"Removing a microprocessor and heat
sink" on page 60 and "Installing a
microprocessor and heat sink" on page
62.
3. Replace the following components one at
a time, in the order shown, restarting the
blade server each time:
a. (Trained service technician only)
Microprocessor - See "Removing a
microprocessor and heat sink" on
page 60 and "Installing a
microprocessor and heat sink" on
page 62.
b. (Trained service technician only)
System-board assembly - See
"Removing the system-board
assembly" on page 65 and "Installing
the system-board assembly" on page
66.
1. Make sure that the blade server is
sufficiently cooled.
2. Make sure that the front bezel on the
blade server is not blocked.
3. (Trained service technician only) Replace
microprocessor - See "Removing a
microprocessor and heat sink" on page
60 and "Installing a microprocessor and
heat sink" on page 62.
1. Update the blade server firmware - Go to
http://www.ibm.com/systems/
support/.
2. Replace the optional expansion unit - See
"Removing an optional expansion unit"
on page 37 and "Installing an optional
expansion unit" on page 38.
Chapter 6. Diagnostics
83
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