IBM QS21 User Guide - Page 80
Problem, Determination, Service, Guide
UPC - 883436016940
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If a serial console is not connected, you can use the Advanced Management Module to monitor the logs and display informational and error messages. If the firmware encounters an error during the startup process, a message describing the error together with an error code is displayed on the serial console. There are two types of error, where xxx represents the number of the error code: Cxxx This is an internal checkpoint. If the system stops during the startup process a checkpoint may be displayed. Exxx This type of error means that there is a failure that does not allow the firmware to continue the startup process. Check the error codes in theQS21 Problem Determination and Service Guide. If these do not help resolve the problem, contact a service support representative. There are cases where a message that is informational only is displayed on the serial console. Wxxx This is a warning message. The firmware allows the startup process to continue, but indicates there maybe a problem. A warning message can be combined with an error message to give more complete information about an error. Descriptions for each of the error codes are not included in this document. See the Problem Determination and Service Guide for your blade server for further information. 64 QS21 Installation and User's Guide