I2C errors

Error messages related to the BladeCenter S system hardware components and communications between the components (known as I2C errors) are displayed in the advanced management module event log.

The following example shows an I2C error message:

Failure reading I2C device. Check devices on bus 7.

Perform these actions to resolve I2C error messages:

1. Restart the advanced management module.
2. Wait two minutes to allow the advanced management module to reset the I2C bus. If an I2C bus error recovery message does not appear in the event log after two minutes, reseat the advanced management module.
3. Wait five minutes to allow the advanced management module to reset the I2C bus. If an I2C bus error recovery message does not appear in the event log after five minutes, contact IBM® support.