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# About Your System

Dell™ PowerEdge™ R905 Hardware Owner's Manual

Other Information You May Need

Accessing System Features During Startup

Front-Panel Features and Indicators

Back-Panel Features and Indicators

Power Indicator Codes

NIC Indicator Codes

LCD Status Messages

System Messages

Warning Messages

Diagnostics Messages

Alert Messages

This section describes the physical, firmware, and software interface features that provide and ensure the essential functioning of your system. The physical connectors on your system's front and back panels provide convenient connectivity and system expansion capability. The system firmware, applications, and operating systems monitor the system and component status and alert you when a problem arises. System conditions can be reported by any of the following:

- Front or back panel indicators
- LCD status messages
- System messages
- Warning messages
- Diagnostics messages
- Alert messages

This section describes each type of message, lists the possible causes, and provides steps to resolve any problems indicated by a message. The system indicators and features are illustrated in this section.

## Other Information You May Need

| CAUTION: The Product Information Guide provides important safety and regulatory information. Warranty information may be included within this document or as a separate document.

- The Rack Installation Guide or Rack Installation Instructions included with your rack solution describes how to install your system into a rack.
- The Getting Started Guide provides an overview of system features, setting up your system, and technical specifications.
- CDs included with your system provide documentation and tools for configuring and managing your system.
- Systems management software documentation describes the features, requirements, installation, and basic operation of the software.
- Operating system documentation describes how to install (if necessary), configure, and use the operating system software.
- Documentation for any components you purchased separately provides information to configure and install these options.
- Updates are sometimes included with the system to describe changes to the system, software, and/or documentation.

| NOTE: Always check for updates on support.dell.com and read the updates first because they often supersede information in other documents.

- Release notes or readme files may be included to provide last-minute updates to the system or documentation or advanced technical reference material intended for experienced users or technicians.

## Accessing System Features During Startup

Table 1-1 describes keystrokes that may be entered during startup to access system features. If your operating system begins to load before you enter the keystroke, allow the system to finish booting, and then restart your system and try again.

Table 1-1. Keystrokes for Accessing System Features

Keystroke | Description
--- | ---
<F2> | Enters the System Setup program. See Using the System Setup Program.
<F10> | Enters the Utility Partition main menu to access the System Diagnostics program. See Running the System Diagnostics.
<F11> | Enters the boot mode selection screen, allowing you to choose a boot device.
<F12> | Enters PXE boot.
<Ctrl+E> | Enters the Baseboard Management Controller (BMC) Management Utility, which allows access to the system event log (SEL) and configuration of the remote access controller (RAC) card. See the BMC User's Guide for more information on setup and use of BMC.
<Ctrl+R> | Enters the PERC boot utility. See your PERC adapter User's Guide for more information.
<Ctrl+C> | If a SAS controller is installed, this keystroke enters the SAS Configuration Utility. See your SAS adapter User's Guide for more information.
<Ctrl+S> | Option is displayed if you have PXE support enabled through the System Setup Program (see Integrated Devices Screen), or iSCSI boot enabled. This keystroke allows you to configure NIC settings for PXE boot. For more information, see the documentation for the integrated NIC.

## Front-Panel Features and Indicators

Figure 1-1 shows the controls, indicators, and connectors located behind the optional rack bezel on the system's front panel.

Figure 1-1. Front-Panel Features and Indicators

Table 1-2. Front-Panel Features and Connectors

Item | Component | Icon | Description
--- | --- | --- | ---
1 | Power-on indicator, power button |  | The power button controls the DC power supply output to the system. NOTE: If you turn off the system using the power button and the system is running an ACPI-compliant operating system, the system performs a graceful shutdown before the power is turned off. If the system is not running an ACPI-compliant operating system, the power is turned off immediately after the power button is pressed.
2 | NMI button |  | Used to troubleshoot software and device driver errors when using certain operating systems. This button can be pressed using the end of a paper clip. Use this button only if directed to do so by qualified support personnel or by the operating system's documentation.
3 | System identification button |  | The identification buttons on the front and back panels can be used to locate a particular system within a rack. When one of these buttons is pushed, the blue system status indicator on the front and back blinks until one of the buttons is pushed again.
4 | LCD display |  | Provides system ID, status information, and system error messages. The LCD display lights during normal system operation. Both the systems management software and the identification buttons located on the front and back of the system can cause the LCD to flash blue to identify a particular system. The LCD display lights amber when the system needs attention due to a problem with power supplies, fans, system temperature, or hard drives. NOTE: If the system is connected to AC power and an error has been detected, the LCD display lights amber regardless of whether the system has been powered on.
5 | USB connectors (2) |  | Connects USB 2.0-compliant devices to the system.
6 | Video connector |  | Connects a monitor to the system.
7 | Hard drives (optional) |  | Five 3.5" drives or eight 2.5" drives.
8 | Optical drive (optional) |  | Optional slimline optical drive NOTE: DVD devices are data only.

### Hard-Drive Indicator Codes

The hard-drive carriers have two indicators—a drive-activity indicator and a drive-status indicator. See Figure 1-2.

Figure 1-2. Hard-Drive Indicators

1 | drive-status indicator (green and amber) – requires hardware RAID controller | 2 | green drive-activity indicator

Table 1-3 lists the drive indicator patterns for hard drives connected to a RAID-enabled controller card such as a PERC6i card. Different patterns are displayed as drive events occur in the system. For example, if a hard drive fails, the "drive failed" pattern appears. After the drive is selected for removal, the "drive being prepared for removal" pattern appears, followed by the "drive ready for insertion or removal" pattern. After the replacement drive is installed, the "drive being prepared for operation" pattern appears, followed by the "drive online" pattern.

Table 1-3. Hard-Drive Indicator Patterns for Drives Connected to a RAID Controller Card

Condition | Drive-Status Indicator Pattern
--- | ---
Identify drive/preparing for removal | Blinks green two times per second
Drive ready for insertion or removal | Off NOTE: The drive status indicator remains off until all hard drives are initialized after system power is applied. Drives are not ready for insertion or removal during this time.
Drive predicted failure | Blinks green, amber, and off.
Drive failed | Blinks amber four times per second.
Drive rebuilding | Blinks green slowly.
Drive online | Steady green.
Rebuild halted | Blinks green three seconds, amber three seconds, and off six seconds.

## Back-Panel Features and Indicators

Figure 1-3 shows the controls, indicators, and connectors located on the system's back panel.

Figure 1-3. Back-Panel Features and Indicators

1 | video connector | 2 | serial connector
3 | USB connectors (2) | 4 | integrated NIC connector NIC2
5 | integrated NIC connector NIC1 | 6 | remote access controller (optional)
7 | expansion-card slots (7) | 8 | integrated NIC connector NIC3
9 | integrated NIC connector NIC4 | 10 | power supply 2
11 | system status indicator | 12 | system identification button
13 | power supply 1 |  |

### Connecting External Devices

When connecting external devices to your system, follow these guidelines:

- Most devices must be connected to a specific connector and device drivers must be installed before the device operates properly. (Device drivers are normally included with your operating system software or with the device itself.) See the documentation that accompanied the device for specific installation and configuration instructions.
- Always attach external devices while your system is turned off. Next, turn on any external devices before turning on the system (unless the documentation for the device specifies otherwise).

For information about individual connectors, see Jumpers and Connectors. For information about enabling, disabling, and configuring I/O ports and connectors, see Using the System Setup Program.

## Power Indicator Codes

The power button on the front panel controls the power input to the system's power supplies. The power indicator can provide information on power status (see Figure 1-1). Table 1-4 lists the power button indicator codes.

Table 1-4. Power Button Indicators

Indicator | Function
--- | ---
On | Indicates that power is supplied to the system and the system is operational.
Flickering | Power is supplied to the system but the system is powering up, or shutting down.
Off | Indicates that no power is supplied to the system.

The indicators on the power supplies show whether power is present or whether a power fault has occurred (see Figure 1-4 and Table 1-5).

Table 1-5. Power Supply Indicators

Indicator | Function
--- | ---
Power supply status | Green indicates that the power supply is operational and providing DC power to the system.
Power supply fault | Amber indicates a problem with the power supply.
AC line status | Green indicates that a valid AC source is connected to the power supply and is operational.

Figure 1-4. Power Supply Indicators

1 | power supply status (DC out is operational) | 2 | power supply fault
3 | AC line status (AC in is operational) |  |

## NIC Indicator Codes

Each NIC on the system back panel has an indicator that provides information on network activity and link status. See Figure 1-5. Table 1-6 lists the NIC indicator codes.

Figure 1-5. NIC Indicators

1 | link indicator | 2 | activity indicator

Table 1-6. NIC Indicator Codes

Indicator | Indicator Code
--- | ---
Link and activity indicators are off | The NIC is not connected to the network.
Link indicator is green | The NIC is connected to a valid link partner on the network.
Activity indicator is blinking amber | Network data is being sent or received.

## LCD Status Messages

The system's control panel LCD provides status messages to signify when the system is operating correctly or when the system needs attention.

The LCD lights blue to indicate a normal operating condition, and lights amber to indicate an error condition. The LCD scrolls a message that includes a status code followed by descriptive text. Table 1-7 lists the LCD status messages that can occur and the probable cause for each message. The LCD messages refer to events recorded in the System Event Log (SEL). For information on the SEL and configuring system management settings, see the systems management software documentation.

| CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See your Product Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.

| NOTE: If your system fails to boot, press the System ID button for at least five seconds until an error code appears on the LCD. Record the code, then see Getting Help.

Table 1-7. LCD Status Messages

Line 1 Message | Line 2 Message | Causes | Corrective Actions
--- | --- | --- | ---
N/A | SYSTEM NAME | A 62-character string that can be defined by the user in the System Setup program. The SYSTEM NAME displays under the following conditions: The system is powered on. The power is off and active POST errors are displayed. | This message is for information only. You can change the system string in the System Setup program. See Using the System Setup Program.
E1000 | FAILSAFE, Call Support |  | See Getting Help.
E1114 | Temp Ambient | Ambient system temperature is out of acceptable range. | See Troubleshooting System Cooling Problems.
E1210 | CMOS Batt | CMOS battery is missing, or the voltage is out of acceptable range. | See Troubleshooting the System Battery.
E1211 | ROMB Batt | RAID battery is either missing, bad, or unable to recharge due to thermal issues. | Reseat the RAID battery. See Installing the SAS RAID Controller Card Battery, and Troubleshooting System Cooling Problems.
E12nn | # PwrGd | Specified voltage regulator has failed. | See Getting Help.
E1229 | CPU # VCORE | Processor # VCORE voltage regulator has failed. | See Getting Help.
E122A | CPU # VTT | Processor # VTT voltage has exceeded the allowable voltage range | See Getting Help.
E122D | CPU # VDDIO | Processor # VDDIO voltage has exceeded the allowable voltage range | See Getting Help.
E122E | CPU # VDDA | Processor # VDDA voltage has exceeded the allowable voltage range | See Getting Help.
E122F | 2.5V PwrGd | 2.5V voltage regulator has failed. | See Getting Help.
E1231 | 1.2V HTCORE PwrGd | 1.2V HTCORE voltage regulator has failed. | See Getting Help.
E1232 | VDD 12V PS# PwrGd | The specified power supply has failed or has been removed from the bay while the system was on. | If removed, reinsert the power supply into the bay and reconnect to power. For component failures, see Getting Help.
E123B | LOM Mezz PwrGd | Voltage regulator for the NIC daughter card has failed. | Recycle power to the system or clear the SEL. If the problem persists, see Getting Help.
E123C | Planar LOM PwrGd | Voltage regulator for the integrated NIC has failed. | Recycle power to the system or clear the SEL. If the problem persists, see Getting Help.
E1310 | RPM Fan ## | RPM of specified cooling fan is out of acceptable operating range. | See Troubleshooting System Cooling Problems.
E1313 | Fan Redundancy | One or more cooling fans has failed. Cooling fan redundancy has been lost. | See Troubleshooting System Cooling Problems.
E1414 | CPU # Thermtrip | Specified microprocessor is out of acceptable temperature range and has halted operation. | See Troubleshooting System Cooling Problems. If the problem persists, ensure that the microprocessor heat sinks are properly installed. See Troubleshooting the Microprocessors. NOTE: The LCD continues to display this message until the system's power cord is disconnected and reconnected to the AC power source, or the SEL is cleared using either Server Assistant or the BMC Management Utility. See the Dell OpenManage Baseboard Management Controller User's Guide for information about these utilities.
E1418 | CPU # Presence | Specified processor is missing or bad, or the system is in an unsupported configuration. | See Troubleshooting the Microprocessors.
E141C | CPU Mismatch | Processors are in an unsupported configuration. | Ensure that your processors match and conform to the type described in the Microprocessor Technical Specifications outlined in your system's Getting Started Guide.
E141F | CPU Protocol | The system BIOS has reported a processor protocol error. | See Getting Help.
E1420 | CPU Bus PERR | The system BIOS has reported a processor bus parity error. | See Getting Help.
E1421 | CPU Init | The system BIOS has reported a processor initialization error. | See Getting Help.
E1422 | CPU Machine Chk | The system BIOS has reported a machine check error. | See Getting Help.
E1610 | PS # Missing | Specified power supply is improperly installed or removed. | See Troubleshooting Power Supplies.
E1614 | PS # Status | Specified power supply is improperly installed or faulty. | See Troubleshooting Power Supplies.
E1618 | PS # Predictive | Power supply voltage is out of acceptable range; specified power supply is improperly installed or faulty. | See Troubleshooting Power Supplies.
E161C | PS # Input Lost | Power source for specified power supply is unavailable, or out of acceptable range. | Check the AC power source for the specified power supply. If problem persists, see Troubleshooting Power Supplies.
E1620 | PS # Input Range | Power source for specified power supply is unavailable, or out of acceptable range. | Check the AC power source for the specified power supply. If problem persists, see Troubleshooting Power Supplies.
E1624 | PS Redundancy | Power supply redundancy has been lost. If the remaining power supply fails the system will shut down. | See Troubleshooting Power Supplies.
E1625 | PS AC Current | Power source is out of acceptable range. | Check the AC power source.
E1710 | I/O Channel Chk | The system BIOS has reported an I/O channel check error. | See Getting Help.
E1711 | PCI PERR B## D## F## PCI PERR Slot # | The system BIOS has reported a PCI parity error on a component that resides in PCI configuration space at bus ##, device ##, function ##. The system BIOS has reported a PCI parity error on a component that resides in PCI slot #. | Remove and reseat the specified PCI expansion card. If the problem persists, see Troubleshooting Expansion Cards. If troubleshooting does not resolve the problem, see Getting Help.
E1712 | PCI SERR B## D## F## PCI SERR Slot # | The system BIOS has reported a PCI system error on a component that resides in PCI configuration space at bus ##, device ##, function ##. The system BIOS has reported a PCI system error on a component that resides in slot #. | Remove and reseat the specified PCI expansion card. If the problem persists, see Troubleshooting Expansion Cards. If troubleshooting does not resolve the problem, see Getting Help.
E1714 | Unknown Err | The system BIOS has determined that there has been an error in the system, but is unable to determine its origin. | See Getting Help.
E171F | PCIE Fatal Err B## D## F## PCIE Fatal Err Slot # | The system BIOS has reported a PCIe fatal error on a component that resides in PCI configuration space at bus ##, device ##, function ##. The system BIOS has reported a PCIe fatal error on a component that resides in slot #. | Remove and reseat the specified PCI expansion card. If the problem persists, see Troubleshooting Expansion Cards. If troubleshooting does not resolve the problem, see Getting Help.
E1810 | HDD ## Fault | Specified hard drive has a fault. | See Troubleshooting a Hard Drive.
E1811 | HDD ## Rbld Abrt | Specified hard drive has ended rebuild before completion. | See Troubleshooting a Hard Drive.
E1812 | HDD ## Removed | Specified hard drive has been removed from the system. | Information only.
E1914 | DRAC5 Conn2 Cbl | DRAC 5 cable is missing or unseated. | Reconnect the cable. See RAC Card.
E1A14 | SAS Cable A | SAS cable A is unseated, missing, or bad. | Check the cable connection to the SAS backplane. See SAS Backplane Board Connectors.
E1A15 | SAS Cable B | SAS cable B is unseated, missing, or bad. | Check the cable connection to the SAS backplane. See SAS Backplane Board Connectors.
E1A1C | LOM Mezz Missing | NIC daughter card is missing. | Install or reseat the NIC daughter card.
E2010 | No Memory | No memory is installed in the system. | Install memory modules. See System Memory.
E2011 | Mem Config Err | Memory detected, but is not configurable. Error detected during memory configuration. | Check the memory configuration and reinstall the memory modules if necessary. See System Memory. See Troubleshooting System Memory.
E2012 | Unusable Memory | Memory is configured, but not usable. Memory subsystem failure. | See Troubleshooting System Memory.
E2013 | Shadow BIOS Fail | The system BIOS failed to copy its flash image into memory. | See Troubleshooting System Memory.
E2014 | CMOS Fail | CMOS failure. CMOS RAM not functioning properly. | See Getting Help.
E2015 | DMA Controller | DMA controller failure. | See Getting Help.
E2016 | Int Controller | Interrupt controller failure. | See Getting Help.
E2017 | Timer Fail | Timer refresh failure. | See Getting Help.
E2018 | Prog Timer | Programmable interval timer error. | See Getting Help.
E2019 | Parity Error | Parity error. | See Getting Help.
E201A | SIO Err | SIO failure. | See Getting Help.
E201B | Kybd Controller | Keyboard controller failure. | See Getting Help.
E201C | SMI Init | System management interrupt (SMI) initialization failure. | See Getting Help.
E201D | Shutdown Test | BIOS shutdown test failure. | See Getting Help.
E201E | POST Mem Test | BIOS POST memory test failure. | See Troubleshooting System Memory. If problem persists, see Getting Help.
E201F | DRAC Config | Remote access controller (RAC) configuration failure. | Check screen for specific error messages. Ensure that the RAC card and cables are properly seated. See RAC Card. If problem persists, see your RAC documentation.
E2020 | CPU Config | CPU configuration failure. | Check screen for specific error messages.
E2021 | Memory Population | Incorrect memory configuration. Memory population order incorrect. | Check screen for specific error messages. See Troubleshooting System Memory.
E2022 | POST Fail | General failure after video. | Check screen for specific error messages.
E2110 | MBE DIMM ## & ## | One of the DIMMs in the set implicated by "## & ##" has had a memory multi-bit error (MBE). | See Troubleshooting System Memory.
E2111 | SBE Log Disable DIMM ## | The system BIOS has disabled memory single-bit error (SBE) logging, and will not resume logging further SBEs until the system is rebooted. "##" represents the DIMM implicated by the BIOS. | See Troubleshooting System Memory.
E2112 | Mem Spare DIMM ## | The system BIOS has spared the memory because it has determined that the memory had too many errors. "##" represents the DIMM implicated by the BIOS. | See Troubleshooting System Memory.
I1910 | Intrusion | System cover has been removed. | Information only.
I1911 | >3 ERRs Chk Log | LCD overflow message. A maximum of three error messages can display sequentially on the LCD. The fourth message displays as the standard overflow message. | Check the SEL for details on the events.
I1912 | SEL Full | System Event Log is full of events and is unable to log any more events. | Clear the log by deleting event entries.
I1915 | Video Off (LCD lights with a blue or amber background.) | The video has been turned off by the RAC remote user. | Information only.
I1916 | Video Off in ## (LCD lights with a blue or amber background.) | The video will be turned off in xx seconds by the RAC remote user. | Information only.
W1228 | ROMB Batt < 24hr | Warns predictively that the RAID battery has less than 24 hours of charge left. | Replace the RAID battery. See Installing the SAS RAID Controller Card Battery.
NOTE: For the full name of an abbreviation or acronym used in this table, see the "Glossary" on page 181.

### Solving Problems Described by LCD Status Messages

The code and text on the LCD can often specify a very precise fault condition that is easily corrected. For example, if the code E0708 PROC_1_Presence appears, you know that a microprocessor is not installed in socket 1.

In contrast, you might be able to determine the problem if multiple related errors occur. For example, if you receive a series of messages indicating multiple voltage faults, you might determine that the problem is a failing power supply.

### Removing LCD Status Messages

For faults associated with sensors, such as temperature, voltage, fans, and so on, the LCD message is automatically removed when that sensor returns to a normal state. For example, if temperature for a component goes out of range, the LCD displays the fault; when the temperature returns to the acceptable range, the message is removed from the LCD. For other faults, you must take action to remove the message from the display:

- Clear the SEL — You can perform this task remotely, but you will lose the event history for the system.
- Power cycle — Turn off the system and disconnect it from the electrical outlet; wait approximately ten seconds, reconnect the power cable, and restart the system.

Any of these actions will remove fault messages, and return the status indicators and LCD colors to the normal state. Messages will reappear under the following conditions:

- The sensor returns to a normal state but fails again, resulting in a new SEL entry.
- The system is reset and new error events are detected.
- A failure is recorded from another source that maps to the same display entry.

## System Messages

System messages appear on the screen to notify you of a possible problem with the system. Table 1-8 lists the system messages that can occur and the probable cause and corrective action for each message.

| NOTE: If you receive a system message that is not listed in Table 1-8, check the documentation for the application that is running when the message appears or the operating system's documentation for an explanation of the message and recommended action.

| CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See your Product Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.

Table 1-8. System Messages

Message | Causes | Corrective Actions
--- | --- | ---
Alert! Node Interleaving disabled! Memory configuration does not support Node Interleaving. | The memory configuration does not support node interleaving. The system will run but with reduced functionality. | Ensure that the memory modules are installed in a configuration that supports node interleaving. See General Memory Module Installation Guidelines. If the problem persists, see Troubleshooting System Memory.
Attempting to update Remote Configuration. Please wait... | Remote Configuration request has been detected and is being processed. | Wait until the process is complete.
BIOS Manufacturing mode detected. MANUFACTURING MODE will be cleared before the next boot. System reboot required for normal operation. | System is in manufacturing mode. | Reboot to take the system out of manufacturing mode.
BIOS Update Attempt Failed! | Remote BIOS update attempt failed. | Retry the BIOS update. If the problem persists, see Getting Help.
Caution! NVRAM_CLR jumper is installed on system board. | NVRAM_CLR jumper is installed. CMOS has been cleared. | Remove the NVRAM_CLR jumper. See Figure 7-1 for jumper locations.
CPUs with different cache sizes detected! | Microprocessors with different cache sizes are installed. | Ensure that all microprocessors have the same cache size and that they are properly installed. See Processors.
Decreasing available memory | Faulty or improperly installed memory modules. | See Troubleshooting System Memory.
Error: Incorrect memory configuration CPU n | The DIMM group for CPU n is incorrectly configured and caused the system to halt. | See General Memory Module Installation Guidelines for memory configuration information. If the problem persists, see Troubleshooting System Memory.
!*** Error: Remote Access Controller initialization failure *** RAC virtual USB devices may not be available... | Remote Access Controller initialization failure | Ensure that the Remote Access Controller is properly installed. See Installing an Optional RAC Card.
Gate A20 failure | Faulty keyboard controller; faulty system board. | See Getting Help.
General failure | The operating system is unable to carry out the command. | This message is usually followed by specific information. Note the information and take the appropriate action to resolve the problem.
HyperTransport error caused a system reset: HyperTransport device Please check the system event log for details. | A fatal system error occurred and caused the system to reboot. | Check the SEL for information that was logged during the error. See the applicable troubleshooting section in Troubleshooting Your System for any faulty components specified in the SEL.
Invalid NVRAM configuration, Resource Re-allocated | System detected and corrected a resource conflict. | No action is required.
Invalid PCIe card found in the Internal Storage slot! | The system halted because an invalid PCIe expansion card is installed in the dedicated storage controller slot. | Remove the PCIe expansion card and install a SAS controller in the dedicated slot.
Keyboard Controller failure | Faulty keyboard controller; faulty system board | See Getting Help.
Manufacturing mode detected | System is in manufacturing mode. | Reboot to take the system out of manufacturing mode.
Memory address line failure at address, read value expecting value | Faulty or improperly installed memory modules. | See Troubleshooting System Memory.
Memory double word logic failure at address, read value expecting value
Memory odd/even logic failure at address, read value expecting value
Memory write/read failure at address, read value expecting value
Memory tests terminated by keystroke. | POST memory test terminated by pressing the spacebar. | Information only.
No boot device available | Faulty or missing optical drive subsystem, hard drive, or hard-drive subsystem, or no boot disk in drive A. | Use a bootable diskette, CD, or hard drive. If the problem persists, see Troubleshooting an Optical Drive, and Troubleshooting a Hard Drive. See Using the System Setup Program for information about setting the order of boot devices.
No boot sector on hard drive | Incorrect configuration settings in System Setup program, or no operating system on hard drive. | Check the hard-drive configuration settings in the System Setup program. See Using the System Setup Program. If necessary, install the operating system on your hard drive. See your operating system documentation.
No timer tick interrupt | Faulty system board. | See Getting Help.
Optical drive not found | Cable is not properly seated, or drive is missing. | See Troubleshooting an Optical Drive.
PCIe Degraded Link Width Error: Embedded Bus#nn/Dev#nn/Funcn Expected Link Width is n Actual Link Width is n | Faulty or improperly installed PCIe card in the specified slot. | Reseat the PCIe card in the specified slot number. See Installing an Expansion Card. If the problem persists, see Getting Help.
PCIe Fatal Error caused a system reset: Slot n or Embedded Bus#nn/Dev#nn/Funcn Please check the system event log for details. | Faulty or improperly installed PCIe card in the specified slot. | Reseat the PCIe card in the specified slot number. See Installing an Expansion Card. If the problem persists, see Getting Help.
PCI BIOS failed to install | PCI device BIOS (Option ROM) checksum failure is detected during shadowing. A cable to an expansion card is unseated; an expansion card is faulty or improperly installed. | Reseat the expansion cards and expansion card cables. If the problem persists, see Troubleshooting Expansion Cards.
Plug & Play Configuration Error | Error encountered in initializing PCI device; faulty system board. | Install the NVRAM_CLR jumper and reboot the system. See Figure 7-1 for jumper locations. If the problem persists, see Troubleshooting Expansion Cards.
Read fault Requested sector not found | The operating system cannot read from the hard drive, the system could not find a particular sector on the disk, or the requested sector is defective. | Replace the diskette. Ensure that the diskette and hard drive cables are properly connected. See Troubleshooting an Optical Drive, or Troubleshooting a Hard Drive for the appropriate drive(s) installed in your system.
Remote Access Controller cable error or incorrect card in the RAC slot. | RAC cables are not connected, or RAC card is installed in the wrong expansion slot. | Check that the RAC cables are connected, and that the RAC card is installed in the correct expansion slot. See RAC Card.
Remote Access Controller not installed in the RAC slot. | RAC card is installed in the wrong expansion slot. | Check that the RAC card is installed in the correct expansion slot. See RAC Card.
Remote configuration update attempt failed | System unable to process Remote Configuration request. | Retry Remote Configuration.
ROM bad checksum = address | An expansion card is improperly installed or is faulty. | Reseat the expansion cards. Ensure that all appropriate cables are securely connected to the expansion cards. If the problem persists, see Troubleshooting Expansion Cards.
Sector not found Seek error Seek operation failed | Faulty hard drive. | See Troubleshooting a Hard Drive.
Shutdown failure | Shutdown test failure. | See Troubleshooting System Memory.
The amount of system memory has changed | Memory has been added or removed or a memory module may be faulty. | If memory has been added or removed, this message is informative and can be ignored. If memory has not been added or removed, check the SEL to determine if single-bit or multi-bit errors were detected and replace the faulty memory module. See Troubleshooting System Memory.
This system supports only Opteron n series processors. | Microprocessor(s) is not supported by the system. | Install a supported microprocessor or microprocessor combination. See Installing a Processor.
Time-of-day clock stopped | Faulty battery or faulty chip. | See Troubleshooting the System Battery.
Time-of-day not set - please run SETUP program | Incorrect Time or Date settings; faulty system battery. | Check the Time and Date settings. See Using the System Setup Program. If the problem persists, replace the system battery. See System Battery.
Timer chip counter 2 failed | Faulty system board. | See Getting Help.
TPM failure | A Trusted Platform Module (TPM) function has failed. | See Getting Help.
Unsupported CPU combination Unsupported CPU stepping detected | Microprocessor(s) is not supported by the system. | Install a supported microprocessor or microprocessor combination. See Installing a Processor.
Utility partition not available | The <F10> key was pressed during POST, but no utility partition exists on the boot hard drive. | Create a utility partition on the boot hard drive. See the CDs that came with your system.
Warning: Following faulty DIMMs are disabled: CPUn: DIMM n CPUn: DIMM n Total memory size is reduced. | Faulty or improperly seated memory module(s) used by CPUn. | See Troubleshooting System Memory.
Warning! No microcode update loaded for processor n | Microcode update failed. | Update the BIOS firmware. If the problem persists, see Getting Help.
Warning: One or more faulty DIMMs found on CPUn | Faulty or improperly seated memory module(s) used by CPUn. | See Troubleshooting System Memory.
Warning: The installed memory configuration is not optimal. For more information on valid memory configurations, please see the system documentation on the technical support web site. | Invalid memory configuration. The system will run but with reduced functionality. | Ensure that the memory modules are installed in a valid configuration. See General Memory Module Installation Guidelines. If the problem persists, see Troubleshooting System Memory.
Write fault Write fault on selected drive | Faulty optical drive, hard drive, or hard-drive subsystem. | See Troubleshooting an Optical Drive or Troubleshooting a Hard Drive.
NOTE: For the full name of an abbreviation or acronym used in this table, see "Glossary" on page 181.

## Warning Messages

A warning message alerts you to a possible problem and prompts you to respond before the system continues a task. For example, before you format a diskette, a message will warn you that you may lose all data on the diskette. Warning messages usually interrupt the task and require you to respond by typing y (yes) or n (no).

| NOTE: Warning messages are generated by either the application or the operating system. For more information, see the documentation that accompanied the operating system or application.

## Diagnostics Messages

The system diagnostic utilities produce messages from diagnostic tests run on your system. See Running the System Diagnostics for more information about system diagnostics.

## Alert Messages

Systems management software generates alert messages for your system. Alert messages include information, status, warning, and failure messages for drive, temperature, fan, and power conditions. For more information, see the systems management software documentation.

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