IBM eServer 250 xSeries Installation Manual

Also see for eServer 250 xSeries: User reference guide

Contents

52 IBM® xSeries 250 Installation GuidePower problems Suggested actionThe server does not power on. Verify that:1. The power cables are properly connected to the server.2. The electrical outlet functions properly.3. The type of memory that is installed is correct.4. If you just installed an option, remove it, and restart the server. If the servernow powers on, you might have installed more options than the power supplycan support.5. The LEDs on the power supply are on.If the problem remains, call for service.Microprocessor problems Suggested actionThe server emits a continuoustone during POST.The startup (boot) microprocessor is not working properly.Verify that the startup microprocessor is seated properly. If it is, replace the startupmicroprocessor.If the problem remains, call for service.Memory problems Suggested actionThe amount of memorydisplayed is less than theamount of memory installed.Verify that:1. The memory modules are seated properly.2. You have installed the correct type of memory.3. If you changed the memory, you updated the memory configuration using theConfiguration/Setup Utility program.4. All banks of memory on the DIMMs are enabled. The server might havedetected a problem and automatically disabled a DIMM bank, or a DIMM bankcould have been manually disabled.If the above items are correct, run the memory-diagnostic program. The systemmight have detected a bad memory module and automatically reallocated memoryto enable you to continue to operate. If the memory tests fail, call for service orreplace the failing DIMM.