IBM System x3250 Problem Determination And Service Manual

Also see for System x3250: Installation and user guide Installation guide User guide Specifications

Contents

v Follow the suggested actions in the order in which they are listed in the Action column until the problemis solved.v See Chapter 3, “Parts listing, Type 4364 or Type 4365 server,” on page 59 to determine which componentsare customer replaceable units (CRU) and which components are field replaceable units (FRU).v If an action step is preceded by “(Trained service technician only),” that step must be performed only by atrained service technician.Symptom ActionThe mouse or pointing devicedoes not work. 1. If the server is attached to a KVM switch, bypass the KVM switch to eliminate itas a possible cause of the problem: connect the mouse or pointing-devicecable directly to the correct connector on the rear of the server.2. Make sure that:v The mouse or pointing-device cable is securely connected and the keyboardand mouse cables are not reversed.v The mouse device drivers are installed correctly.v The mouse is enabled in the Configuration/Setup Utility program.3. Reseat the mouse or pointing device cable.4. Replace the following components one at a time, in the order shown, restartingthe server each time:a. Mouse or pointing deviceb. (Trained service technician only) System boardMemory problemsv Follow the suggested actions in the order in which they are listed in the Action column until the problemis solved.v See Chapter 3, “Parts listing, Type 4364 or Type 4365 server,” on page 59 to determine which componentsare customer replaceable units (CRU) and which components are field replaceable units (FRU).v If an action step is preceded by “(Trained service technician only),” that step must be performed only by atrained service technician.Symptom ActionThe amount of system memorythat is displayed is less than theamount of installed physicalmemory.1. Make sure that:v No error LEDs are lit on the operator information panel.v The memory modules are seated correctly.v You have installed the correct type of memory.v All banks of memory are enabled. The server might have automaticallydisabled a memory bank when it detected a problem.2. Check the POST error log for error message 289; if a DIMM was disabled by asystem-management interrupt (SMI), replace the DIMM.3. Run memory diagnostics (see “Running the diagnostic programs” on page 37).4. Add one pair of DIMMs at a time, making sure that the DIMMs in each pairmatch.5. Reseat the DIMMs.6. Replace the following components one at a time, in the order shown, restartingthe server each time:a. DIMMsb. (Trained service technician only) System boardChapter 2. Diagnostics 27