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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 Hardware Maintenance Manual to determine which components are customer replaceable units
(CRU) and which components are field replaceable units (FRU).
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 EasyLED LEDs (see “EasyLED
LEDs” on page 159).
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) Make sure that microprocessor 1 is seated
correctly.
4. Reseat the following components:
a. (Trained service technician only) Microprocessor 1
b. Microprocessor tray
5.
(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.
6. Replace the following components one at a time, in the order shown, restarting
the server each time:
a. (Trained service technician only) Microprocessor 1
b. (Trained service technician only) Microprocessor tray
7.
(Trained service technician only) If multiple error codes or EasyLED LEDs
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.
150 ThinkServer RD210 Types 3795, 3796, 3818, and 3819: Installation and User Guide