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OSN 500 550 580 V100R008C50 Alarms and Performance Events Reference 02

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The BIOS_STATUS alarm indicates the BIOS state. By default, if loading board software fails for five consecutive times within 780 seconds, the board enters the BIOS state and the BIOS_STATUS alarm is reported.


Alarm Severity Alarm Type


Environment alarm


When you view an alarm on the network management system, select the alarm. In the Alarm Details field display the related parameters of the alarm. The alarm parameters are in the following format: Alarm Parameters (hex): parameter1 parameter2...parameterN. For details about each parameter, refer to the following table.

Name Meaning

Parameter 1

Indicates the slot number of the board in the BIOS state.

Impact on the System

Services are interrupted.

Possible Causes

Possible causes of this alarm are as follows:

  • The software is lost.
  • Incorrect software is loaded.
  • Writing or reading the software becomes abnormal.
  • The board hardware is faulty.


  1. View the BIOS_STATUS alarm on the U2000 to determine the board that reports the BIOS_STATUS alarm according to Parameter 1.
  2. Perform warm reset on the board. Then, check whether the BIOS_STATUS alarm is cleared.

    If... Then...

    The alarm persists

    Perform a cold reset on the board. Then, check whether the alarm is cleared. If the alarm persists, go to the next step.

    The alarm is cleared

    No further action is required.

  3. Contact Huawei technical support engineers to handle the alarm.

Related Information


Updated: 2019-01-21

Document ID: EDOC1100020975

Views: 76259

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