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Microprocessor problems
v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See the parts listing in the Hardware Maintenance Manual to determine which components are customer
replaceable units (CRUs) and which components are field replaceable units (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
The server emits a continuous
beep during POST, indicating
that the startup (boot)
microprocessor is not working
correctly.
1. Correct any errors that are indicated by the system board LEDs (see
“System-board LEDs” on page 22).
2. Make sure that the server supports all the microprocessors and that the
microprocessors match in speed and cache size.
3. (Trained service technician only) Reseat microprocessor 1.
4. (Trained service technician only) If there is no indication of which
microprocessor has failed, isolate the error by testing with one microprocessor
at a time.
5. Replace the following components one at a time, in the order shown, restarting
the server each time:
a. (Trained service technician only) Microprocessor 2
b. VRM 2
c. (Trained service technician only) System board
6. (Trained service technician only) If multiple error codes indicate a
microprocessor error, reverse the locations of two microprocessors to determine
whether the error is associated with a microprocessor or with a microprocessor
socket.
v If the error is associated with a microprocessor, replace the microprocessor.
v If the error is associated with a VRM, replace the VRM.
v If the error is associated with a microprocessor socket, replace the system
board.
134 ThinkServer TS200 Types 6522, 6523, 6524, 6525, 6526, 6528, 6529, and 6530: Installation and User Guide