IBM System x3100 M4 Type 2582 Problem Determination And Service Manual

Also see for System x3100 M4: Installation and user guide Product guide Product guide

Contents

IBM System x3100 M4 Type 2582 Problem Determination And Service Manual Manual pdf 39 page image

Before you disconnect the power source, make a note of which LEDs are lit,including the LEDs that are lit on the operation information panel and LEDs insidethe server on the system board.Table 3. System board LEDsComponent LED DescriptionDIMM error LEDs A memory DIMM has failed or is incorrectly installed.Microprocessor/CPU error LED Microprocessor has failed, is missing, or has been incorrectly installed.Note: (Trained service technician only) Make sure that themicroprocessor is installed in the correct sequence; see “Installing amicroprocessor and heat sink” on page 254.System board error LED System-board CPU VRD and/or power voltage regulators have failed.IMM heartbeat LED Indicates the status of the boot process of the IMM2.When the server is connected to power this LED flashes quickly toindicate that the IMM2 code is loading. When the loading is complete,the LED stops flashing briefly and then flashes slowly to indicate thatthe IMM2 if fully operational and you can press the power-controlbutton to start the server.RTMM heartbeat LED Power-on and power-off sequencing.Standby power LED When this LED is lit, it indicates that the server is connected to acpower.System-board switches and jumpersThe following illustration shows the jumpers on the system board.Clean CMOSjumper (JP1)BIOS boot backupjumper (JP2)ME recoveryjumper (JP8)ME flashoverridejumper(JP9)TPM initializationjumper (JP11)Low security_Njumper (JP22)IMM SPI halfROM enable (JP12)DIMM 1 slotDIMM 2 slotDIMM 3 slotDIMM 4 slotMicroprocessorChapter 2. Introduction 19