Serial-device problemsUse the troubleshooting tables to find solutions to problems that have identifiablesymptoms.v Follow the suggested actions in the order in which they are listed in the Action column until the problem issolved.v If an action step is preceded by “(Trained technician only),” that step must be performed only by a trainedtechnician.v Go to the IBM support website at http://www.ibm.com/supportportal/ to check for technical information, hints,tips, and new device drivers or to submit a request for information.Symptom ActionThe number of serial ports thatare identified by the operatingsystem is less than the numberof installed serial ports.1. Make sure that:v Each port is assigned a unique address in the Setup utility and none of theserial ports is disabled.v The serial-port adapter (if one is present) is seated correctly.2. Reseat the serial port adapter.3. Replace the serial port adapter.A serial device does not work. 1. Make sure that:v The device is compatible with the server.v The serial port is enabled and is assigned a unique address.v The device is connected to the correct connector (see “System-board internalconnectors” on page 29).2. Reseat the following components:a. Failing serial deviceb. Serial cable3. Replace the components listed in step 2 one at a time, in the order shown,restarting the server each time.4. (Trained technician only) Replace the system board.ServerGuide problemsUse the troubleshooting tables to find solutions to problems that have identifiablesymptoms.v Follow the suggested actions in the order in which they are listed in the Action column until the problem issolved.v If an action step is preceded by “(Trained technician only),” that step must be performed only by a trainedtechnician.v Go to the IBM support website at http://www.ibm.com/supportportal/ to check for technical information, hints,tips, and new device drivers or to submit a request for information.Symptom ActionThe ServerGuide Setup andInstallation CD will not start.1. Make sure that the server supports the ServerGuide program and has astartable (bootable) CD or DVD drive.2. If the startup (boot) sequence settings have been changed, make sure that theCD or DVD drive is first in the startup sequence.3. If more than one CD or DVD drive is installed, make sure that only one driveis set as the primary drive. Start the CD from the primary drive.The MegaRAID StorageManager program cannot viewall installed drives, or theoperating system cannot beinstalled.1. Make sure that the hard disk drive is connected correctly.2. Make sure that the SAS/SATA hard disk drive cables are securely connected.Chapter 3. Troubleshooting 109
