Automated Boot Recovery (Abr); Three Boot Failure; Solving Power Problems - IBM x3250 M3 Problem Determination And Service Manual
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- Installation and user manual (102 pages) ,
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4. At the firmware splash screen, press F3 when you are prompted to restore to
Out-of-band method: See the IMM documentation.
Automated boot recovery (ABR)
If the server is booting up and the IMM detect problems with the server firmware in
the primary bank, it will automatically switch to the backup firmware bank and give
you the opportunity to recover the primary bank. To recover to the server firmware
primary bank, complete the following steps.
1. Restart the server.
2. When the prompt press F3 to restore to primary is displayed, press F3 to
Three boot failure
Configuration changes, such as added devices or adapter firmware updates can
cause the server to fail POST (power-on self-test). If this occurs on three
consecutive boot attempts, the server will temporarily use the default configuration
values and automatically goes to F1 Setup. To solve the problem, complete the
following steps:
1. Undo any configuration changes that you made recently and restart the server.
2. Remove any devices that you added recently and restart the server.
3. If the problem remains, go to Setup and select Load Default Settings, and
Solving power problems
Power problems can be difficult to solve. For example, a short circuit can exist
anywhere on any of the power distribution buses. Usually, a short circuit will cause
the power subsystem to shut down because of an overcurrent condition. To
diagnose a power problem, use the following general procedure:
1. If your model comes with a power supply that has the AEM feature, check the
2. Turn off the server and disconnect all ac power cords.
3. Check the power-fault LEDs on the system board (see "Power problems" on
4. Check for loose cables in the power subsystem. Also check for short circuits, for
5. Remove the adapters and disconnect the cables and power cords to all internal
6. Reconnect all ac power cords and turn on the server. If the server starts
If the server does not start from the minimum configuration, replace the components
in the minimum configuration one at a time until the problem is isolated.
the primary bank. The server boots from the primary bank.
recover the primary bank. Pressing F3 will restart the server.
then click Save to restore the server factory settings.
LEDs on the power supply at the rear of the server (see "Power-supply LEDs"
on page 75).
page 68).
example, if a loose screw is causing a short circuit on a circuit board.
and external devices until the server is at the minimum configuration that is
required for the server to start (see "Solving undetermined problems" on page
116 for the minimum configuration).
successfully, reseat the adapters and devices one at a time until the problem is
isolated.
115
Chapter 3. Diagnostics
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