IBM xSeries 346 Hardware Maintenance Manual And Troubleshooting Manual

Also see for xSeries 346: Installation guide User guide Configuration and options guide Option installation guide User guide

Contents

The system diagnostic programs are provided in ROM. These programs test themajor components of your server. See “Diagnostic programs and errormessages” on page 14.v Light path diagnosticsUse light path diagnostics to diagnose system errors quickly. See “Light pathdiagnostics” on page 17 for more information.POST error logsWhen you turn on the server, it performs a series of tests to check the operation ofserver components and some of the options installed in the server. This series oftests is called the power-on self-test, or POST.If POST finishes without detecting any problems, a single beep sounds, and the firstscreen of your operating system or application program appears.If POST detects a problem, more than one beep sounds, and an error messageappears on your screen. See “Beep symptoms” on page 74 and “POST errorcodes” on page 77 for more information.Notes:1. If you have a power-on password or administrator password set, you must typethe password and press Enter, when prompted, before POST will continue.2. A single problem might cause several error messages. When this occurs, workto correct the cause of the first error message. After you correct the cause ofthe first error message, the other error messages usually will not occur the nexttime you run the test.The POST error log contains the three most recent error codes and messages thatthe system generated during POST. The system-error log or base-boardmanagement controller (BMC) log contains all messages issued during POST andall system status messages from the service processor.You can view the contents of the system-error log and BMC log from theConfiguration/Setup Utility program or from the diagnostic programs.Viewing error logs from the Configuration/Setup Utility programTo view error logs from the Configuration/Setup Utility program, start theConfiguration/Setup Utility program; then, select Error Logs from the main menu.See Chapter 2, “Configuring the server,” on page 9 for more information.Viewing error logs from diagnostic programsTo view error logs from diagnostic programs, complete the following steps:1. Start the diagnostic programs.2. Select Hardware Info from the top of the diagnostic programs screen.3. Select System Error Log or BMC Log from the list that appears; then, followthe instructions on the screen.See “Starting the diagnostic programs” on page 15 for more information.ServerGuide error symptomsLook for the symptom in the left column of the chart. Probable solutions to theproblem are in the right column.Chapter 3. Diagnostics 13