IBM 88643RU - System x3850 - 8864 Service Manual

Also see for 8864: User guide Installation guide

Contents

Real-time diagnosticsReal-time diagnostics can help you diagnose certain devices on IBM System x andxSeries servers while the operating system is running. Using these diagnosticactions, you can prevent and minimize server downtime.For more information and to download the real-time diagnostics, go to the followingWeb page:http://www-1.ibm.com/support/docview.wss?uid=psg1MIGR-50681Running the on-board diagnostic programsTo run the on-board diagnostic programs, complete the following steps:1. If the server is running, turn off the server and all attached devices.2. Turn on all attached devices; then, turn on the server.3. When the prompt F2 for Diagnostics appears, press F2. If you have set both apower-on password and an administrator password, you must type theadministrator password to run the diagnostic programs.4. From the top of the screen, select either Extended or Basic.5. From the diagnostic programs screen, select the test that you want to run, andfollow the instructions on the screen.To determine what action you should take as a result of a diagnostic text messageor error code, see the table in “Diagnostic error codes” on page 112.A single problem might cause several text messages or error codes. When thisoccurs, correct the cause of the first message or error code. The other messagesand error codes usually will not occur the next time you run the test.For help with the diagnostic programs, press F1. You also can press F1 from withina help screen to obtain online documentation from which you can select differentcategories. To exit from the help information, press Esc.If the server stops during testing and you cannot continue, restart the server and tryrunning the diagnostic programs again. If the problem remains, replace thecomponent that was being tested when the server stopped.The keyboard and mouse (pointing device) tests assume that a keyboard andmouse are attached to the server.If no mouse or a USB mouse is attached to the server, you cannot use the NextCat and Prev Cat buttons to select categories. All other mouse-selectable functionsare available through function keys.You can use the regular keyboard test to test a USB keyboard, and you can use theregular mouse test to test a USB mouse. You can run the USB interface test only ifno USB devices are attached. The USB test will not run if a Remote SupervisorAdapter II SlimLine is installed.To view server configuration information (such as system configuration, memorycontents, interrupt request (IRQ) use, direct memory access (DMA) use, devicedrivers, and so on), select Hardware Info from the top of the screen.Chapter 5. Diagnostics 111