Blue Button on Back of Dell Power Supply
Applications, operating systems, and the system itself are capable of identifying problems and alerting you to them. When a problem occurs, a message may appear on the monitor screen or a beep code may sound.
Several different types of messages can indicate when the system is not functioning properly:
The system indicators and the front and back panel features are illustrated in the following figures. This section also describes each type of message and lists the possible causes and actions you can take to resolve any problems indicated by a message. To determine what type of message you have received, read the following sections.
The optional system bezel incorporates a system status indicator divided into blue and amber system status indicators. See Figure 2-1. The blue indicator lights up when the system is operating correctly. The amber caution indicator lights up when the system needs attention due to a problem with power supplies, fans, system temperature, system memory, or hard drives.
Table 2-1 lists the system's indicator patterns. Different patterns are displayed as events occur in the system.
Figure 2-1. System Status Indicators
Figure 2-2 shows the controls, indicators, and connectors located behind the optional bezel on the system's front panel. Table 2-2 provides a description of each feature.
Figure 2-2. Front-Panel Features
Indicator, Button,
or Connector
Icon
Description
Blue system status
indicator
The blue system status indicator lights up 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 blue system status indicator to flash to identify a particular system.
Amber system status indicator
The amber system status indicator flashes when the system needs attention. Check for a problem with the power supplies, fans, system temperature, or hard drives.
NOTE: If the system is connected to AC power and an error has been detected, the amber system status indicator flashes regardless of whether the system has been powered on.
NIC1 and NIC2 link and activity indicators
The link and activity indicators for the two integrated NICs light intermittently when the NICs are in use.
Hard-drive activity indicator
The green hard-drive activity indicator flashes when the hard drives are in use. See Figure 2-3 for more information on hard-drive indicators.
Power-on indicator, power button
The power-on indicator lights when the system power is on.
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.
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.
USB connector
Connects a USB 1.1-compliant device to the system.
Video connector
Connects a monitor to the system.
If the optional ROMB card is activated, two indicators on each of the hard-drive carriers provide information about the status of the hard drives. See Figure 2-3 and Table 2-3. The SCSI backplane firmware controls the drive power-on/fault indicator.
Figure 2-3. SCSI Hard-Drive Indicators
Table 2-3 lists the drive indicator patterns. 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.
Figure 2-4 shows the controls, indicators, connectors, and expansion slots located on the system's back panel.
Figure 2-4. Back-Panel Features and Indicators
Each hot-pluggable power supply has three indicators, visible when the system covers are open, that indicate whether power is present or whether a power fault has occurred. See Table 2-4 for more information about the indicators. See "Opening the System Covers" in "Troubleshooting Your System" for information about accessing the inside of the system.
Figure 2-5. Power Supply Features
System messages alert you to a possible operating system problem or to a conflict between the software and hardware. Table 2-5 lists the system error messages that can occur and the probable cause for each message.
Message
Causes
Corrective Actions
Address mark not found
Faulty diskette/CD drive subsystem or hard-drive subsystem (defective system board).
See "Getting Help."
Amount of available memory limited to 256 MB!
OS Install Mode is enabled in the System Setup program.
Disable the OS Install Mode in the System Setup program. See "Using the System Setup program" in the User's Guide.
Alert! One or more of the memory DIMMs are out of rev.
One or more of the installed DIMMs are not supported by the system. DIMMs must be registered DDR SDRAM rated for 266-MHz operation.
Ensure that all installed memory meets the system specifications. See "Installing Memory Modules" in "Installing System Options."
Alert! Redundant memory disabled! Memory configuration does not support redundant memory.
One memory bank is not populated, or memory banks are different sizes. To support redundant memory, both banks must be populated, and all four DIMMs must be the same size.
Install identical DIMMs in all four memory banks. See "Installing Memory Modules" in "Installing System Options."
Alert! Unsupported memory, incomplete sets, or unmatched sets.
The following memory DIMM(s) have been disabled: DIMM_xx
DIMMs are installed in a mismatched pair, or one memory slot in a bank is empty. Memory must be installed in matched pairs. In a mismatched memory bank, neither DIMM is used.
Ensure that memory is installed in matched pairs. See "Installing Memory Modules" in "Installing System Options."
Auxiliary device failure
Mouse or keyboard cable connector loose or improperly connected; defective mouse or keyboard.
Check the mouse and keyboard cable connections. See "Troubleshooting External Connections" in "Troubleshooting Your System." If the problem persists, replace the mouse. If the problem persists, replace the keyboard. See "Getting Help."
Attachment failed to respond.
Diskette drive or hard-drive controller cannot send data to associated drive.
Reboot the system. If you receive an error message from the SCSI, RAID, or diskette controller, see "Getting Help."
If no error message appears at system boot, reseat all drives. If the problem persists, see "Getting Help."
Bad error-correction code (ECC) on disk read. Controller has failed.
Faulty diskette drive, tape drive, or hard-drive subsystem (defective backplane board).
Reseat all drives and reboot the system. If the error message reappears, see "Getting Help."
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 - please run SETUP program.
Incorrect configuration settings in System Setup program, NVRAM_CLR jumper is installed, or faulty system battery.
Check the System Setup configuration settings. See "Using the System Setup Program" in the User's Guide. Remove the NVRAM_CLR jumper. See Figure A-2 for jumper location. Replace the battery. See "Replacing the System Battery" in "Installing System Options."
CPUs with different cache sizes detected.
Two different types of microprocessors are installed.
Install a correct version of the microprocessor so that both microprocessors have the same level 2 cache size. See "Installing Microprocessors" in "Installing System Options."
Data error
Faulty diskette, diskette drive, or hard drive.
Replace the diskette. Reseat all drives and reboot the system. If the error message reappears, see "Getting Help."
Decreasing available memory
One or more memory modules improperly seated or faulty.
Remove and reseat the memory modules. See "Installing Memory Modules" in "Installing System Options." If the problem persists, replace the memory modules. If the problem persists, see "Getting Help."
Diskette drive 0 seek failure
Diskette drive 1 seek failure
Faulty or improperly inserted diskette or incorrect configuration settings in System Setup program.
Reseat the diskette drive and replace the diskette. See "Installing a Diskette Drive" in "Installing Drives." Run the System Setup program to correct the diskette drive type. See "Using the System Setup Program" in the User's Guide.
Diskette read failure
Faulty diskette, or faulty or improperly connected diskette drive.
Reseat the diskette drive and replace the diskette. See "Installing a Diskette Drive" in "Installing Drives."
Diskette subsystem reset failed
Faulty diskette/CD drive controller (defective system board).
Replace the system board. See "Getting Help."
Diskette write protected
Diskette write-protect feature is enabled.
Disable the write-protect feature on the diskette.
Drive not ready
Diskette missing from or improperly inserted into the diskette drive.
Reinsert the diskette into the drive.
ECC memory error
Improperly seated or faulty memory modules.
Remove and reseat the memory modules. See "Installing Memory Modules" in "Installing System Options." If the problem persists, replace the memory modules. If the problem persists, see "Getting Help."
Embedded server management error
Embedded server management is not present
Embedded server management memory may be temporarily corrupted.
To clear the embedded server management memory, shut down the system, disconnect the power cord(s), wait approximately 30 seconds, and then reconnect the power cord(s) and restart the system. If the problem persists, see "Getting Help."
Error: Dell Remote Access Controller initialization failure
Defective RAC or system board.
Replace the RAC. See the documentation that came with the RAC. If the problem persists, you may need to replace the system board. See "Getting Help."
Gate A20 failure
Faulty keyboard controller (defective system board).
Replace the system board. See "Getting Help."
General failure
Application program or operating system failure.
Reboot. If the message reappears, see your software documentation.
Hard disk controller failure
Hard disk read failure
Incorrect configuration settings in the System Setup program, improperly connected hard drive, or faulty hard-drive controller subsystem (defective system board).
Check the hard-drive configuration settings in the System Setup program. See "Using the System Setup Program" in the User's Guide. Reinstall the hard drive. See "Installing SCSI Hard Drives" in "Installing Drives."
Invalid configuration information - please run SETUP program.
Incorrect configuration settings in the System Setup program, the NVRAM_CLR jumper is installed, or the system battery is faulty.
Check the System Setup configuration settings. See "Using the System Setup Program" in the User's Guide. Remove the NVRAM_CLR jumper. See Figure A-2 for jumper location. Replace the battery. See "Replacing the System Battery" in "Installing System Options."
Invalid memory configuration detected. Potential for data corruption exists!
Memory modules are not installed in matched pairs.
Install memory modules in matched pairs. See "Installing Memory Modules" in "Installing System Options."
Invalid NVRAM configuration, resource re-allocated
System configuration data has been ignored.
Check the System Setup configuration settings. See "Using the System Setup Program" in the User's Guide.
I/O card parity interrupt at address
Expansion card(s) is improperly installed or faulty.
Reinstall the expansion card(s). See "Installing Expansion Cards" in "Installing System Options." If the problem persists, replace the expansion card(s).
Keyboard controller failure
Defective keyboard/mouse controller (defective system board).
Replace the system board. See "Getting Help."
Keyboard data line failure
Keyboard stuck key failure
Keyboard clock line failure
Keyboard failure
Keyboard cable connector is loose or improperly connected; defective keyboard; defective keyboard/mouse controller (defective system board).
Check the keyboard cable connection. Replace the keyboard. If the problem persists, replace the system board. See "Getting Help."
Memory allocation error
Memory module(s) is not connected properly, or an application program or the operating system failed.
Reseat the modules. See "Installing Memory Modules" in "Installing System Options." Reboot the system. If the message reappears, see your software documentation.
Memory address line failure at address, read value expecting value
Memory high data line failure at start address to end address
Memory high address line failure at start address to end address
Memory double word logic failure at start address to end address
Memory double word logic failure at address, read value expecting value
Memory odd/even logic failure at start address to end address
Memory odd/even logic failure at address, read value expecting value
Memory write/read failure at address, read value expecting value
Memory write/read failure at start address to end address
Faulty or improperly seated memory modules or defective system board.
Remove and reseat the memory modules. See "Installing Memory Modules" in "Installing System Options." If the problem persists, replace the memory modules. If the problem persists, see "Getting Help."
Memory parity failure at start address to end address
Memory parity error at address
Improperly seated or faulty memory modules.
Remove and reseat the memory modules. See "Installing Memory Modules" in "Installing System Options." If the problem persists, replace the memory modules. If the problem persists, see "Getting Help."
No boot device available
Faulty diskette, diskette/CD drive subsystem, hard drive, or hard-drive subsystem; no boot disk in drive A.
Replace the diskette or the hard drive. See "Installing Drives." If the problem persists, replace the system board. See "Getting Help."
No boot sector on hard- disk
No operating system on the hard drive.
Check the hard-drive configuration settings in the System Setup program. See "Using the System Setup Program" in the User's Guide.
No timer tick interrupt
Defective system board.
Replace the system board. See "Getting Help."
No PXE-capable device available
<F12> was pressed during POST and no PXE devices are detected.
Check the cables connected to the NICs. Check the configuration settings in the System Setup program for the NICs. See "Using the System Setup Program" in the User's Guide.
Non-system disk or disk error
Faulty diskette, diskette drive subsystem, or hard-drive subsystem.
Replace the diskette. Reseat all drives and reboot the system. If the error message reappears, see "Getting Help."
Not a boot diskette
No operating system on diskette.
Use a bootable diskette.
PCI BIOS failed to install
PCI device (option ROM) checksum failure is detected during shadowing.
Contact the PCI device manufacturer to obtain a suitable replacement PCI option ROM. Follow the manufacturer's instructions to install the option ROM.
Plug & Play Configuration Error
Error encountered when initializing the PCI device, or the system board is defective.
Install the NVRAM_CLR jumper and reboot the system. If the problem persists, replace the system board. See "Getting Help."
Plug & Play Configuration Error PCI_n
Error encountered when initializing the PCI adapter.
Install the NVRAM_CLR jumper and reboot the system. If the problem persists, replace the specified expansion-card. See "Installing Expansion Cards" in "Installing System Options." If the problem persists, replace the system board. See "Getting Help."
Primary backplane error
Improperly attached or missing backplane.
Ensure that the SCSI backplane board is fully seated. See "Troubleshooting SCSI Hard Drives" in "Troubleshooting Your System."
Primary IDE device 0 not found
Primary IDE device 1 not found
Improperly connected or missing IDE device.
Ensure that the device's interface cable is securely connected to the SCSI backplane board. Replace the device. If the problem persists, see "Getting Help."
Processor 1 internal error
Processor 2 internal error
Defective microprocessor or system board (reported by the NMI handler).
Replace the specified microprocessor. See "Installing Microprocessors" in "Installing System Options." If the problem persists, replace the system board. See "Getting Help."
Processor bus error
PCI bus error
IMB bus error
Defective system board (reported by the NMI handler).
Replace the system board. See "Getting Help."
Processor x is not a 533-MHz system bus processor
This system bus speed is not supported on this system board.
This system supports only Intel® Xeon™ 533-MHz front-side-bus (system bus) processors.
Reboot the system. If you receive beep code 4-4-3 (processor frequency mismatch), replace processor x with a supported processor. See "Installing Microprocessors" in "Installing System Options."
If a beep code does not occur at system boot, turn off the system, install the NVRAM_CLR jumper, and reboot the system. If the message reappears, see "Getting Help."
Read fault
Requested sector not found
Faulty diskette, diskette-drive subsystem, or hard-drive subsystem.
Replace the diskette, or reseat all drives and reboot the system. If the message reappears, see "Getting Help."
Reset failed
Improperly connected diskette/tape drive, hard drive, or power cable.
Check the drive and cable connections, and reset the system again. If the message reappears, see "Getting Help."
ROM bad checksum = address
Expansion card improperly installed or faulty.
Reinstall the expansion card. See "Installing Expansion Cards" in "Installing System Options."
Sector not found
Seek error
Seek operation failed
Defective sectors on diskette or hard drive.
Faulty diskette, diskette-drive subsystem, or hard-drive subsystem.
Replace the diskette, or reseat all drives and reboot the system. If the message reappears, see "Getting Help."
Shutdown failure
Defective system board.
Replace the system board. See "Getting Help."
System backplane error
Improperly attached or missing SCSI backplane.
Check that the SCSI backplane board is fully seated. See "Troubleshooting SCSI Hard Drives" in "Troubleshooting Your System."
System halted! Must power down.
Wrong password entered too many times.
Reboot the system and enter the correct password. If the problem persists, see "Disabling a Forgotten Password" in "Jumpers and Connectors."
System parity error
Defective expansion card(s) or improperly seated or faulty memory modules (reported by the NMI handler).
Replace the expansion cards one at a time until the error is corrected. See "Installing Expansion Cards" in "Installing System Options."
Remove and reseat the memory modules. See "Installing Memory Modules" in "Installing System Options." If the problem persists, replace the memory modules. If the problem persists, see "Getting Help."
The following memory DIMMs are unsupported: DIMM_xx.
This system only supports 266 MHz DIMMs.
One or more of the installed DIMMs has a frequency less than 266 MHz. System memory must be rated for 266 MHz.
Replace lower-speed DIMM(s) with modules rated for 266-MHz operation. See "Installing Memory Modules" in "Installing System Options."
Time-of-day clock stopped
Defective battery or faulty chip (defective system board).
Replace the system battery. See "Replacing the System Battery" in "Installing System Options." If the problem persists, replace the system board. See "Getting Help."
Time-of-day not set - please run SETUP program
Incorrect Time or Date settings or defective system battery.
Check the Time and Date settings. See "Using the System Setup Program" in the User's Guide. If the problem persists, replace the system battery. See "Replacing the System Battery" in "Installing System Options." If the problem persists, replace the system board. See "Getting Help."
Timer chip counter 2 failed
Defective system board.
Replace the system board. See "Getting Help."
Unsupported CPU combination
Microprocessor combination is not supported by the system.
Install a supported microprocessor combination. See "Installing Microprocessors" in "Installing System Options."
Unsupported CPU stepping detected.
Microprocessor is not supported by the system.
Install the correct version of the microprocessor in the specified microprocessor socket. See "Installing Microprocessors" in "Installing System Options."
Utility partition not available
<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 "Using the Dell OpenManage Server Assistant CD" in your User's Guide.
Warning: Detected mode change from SCSI to RAID on channel x of the embedded RAID subsystem.
Warning: Detected missing RAID hardware for the embedded RAID subsystem. Data loss will occur! Press Y to switch mode to SCSI, press any other key to disable both channels. Press Y to confirm the change; press any other key to cancel.
Type of controller has changed since previous system boot.
Back up information on the hard drives before changing the type of controller used with the drives.
Warning: Detected mode change from RAID to SCSI on channel x of the embedded RAID subsystem.
Warning: Detected missing RAID hardware for the embedded RAID subsystem. Data loss will occur! Press Y to switch mode to SCSI, press any other key to disable both channels. Press Y to confirm the change; press any other key to cancel.
Type of controller has changed since previous system boot.
Back up information on the hard drives before changing the type of controller used with the drives.
Warning! Embedded SCSI- RAID error
Faulty RAID adapter, or ROMB card firmware is either corrupted or is the wrong version.
Reseat the ROMB card. See "Installing a ROMB Card" in "Installing System Options." Reboot the system. If the message reappears, see "Getting Help."
Warning! Embedded SCSI- RAID firmware is not present!
ROMB card firmware is either corrupted or is the wrong version.
Reseat the ROMB card. See "Installing a ROMB Card" in "Installing System Options." Reboot the system. If the message reappears, see "Getting Help."
Warning! Firmware is out- of-date, please update
Out-of-date firmware.
Update the system firmware. See "Using the Dell OpenManage Server Assistant CD" in your User's Guide for information about updating the system firmware.
Warning! No microcode update loaded for processor x
BIOS is not current.
Update the BIOS, but do not turn the system off before the update. See "Using the System Setup Program" in the User's Guide.
Warning! Remote Access Controller command failure
Command protocol failure between the RAC and ESM3.
Reseat the RAC in its system board connector. See "Removing and Replacing the Optional Front Bezel" (if necessary) and "Opening the System Covers" in "Troubleshooting Your System." See Figure A-3 in "Jumpers and Connectors" for the location of the RAC Ethernet connector. If the message reappears, see "Getting Help."
Warning! Unsupported Remote Access Controller firmware version detected
RAC firmware is corrupted or is the wrong version.
Reseat the RAC in its system board connector. See "Removing and Replacing the Optional Front Bezel" (if necessary) and "Opening the System Covers" in "Troubleshooting Your System." See Figure A-3 in "Jumpers and Connectors" for the location of the RAC connector. If the message reappears, see "Getting Help."
Write fault
Write fault on selected drive
Faulty diskette or hard drive.
Replace the diskette or hard drive. See "Installing Drives."
When an error that cannot be reported on the monitor occurs during a boot routine, the system may emit a series of beeps that identify the problem.
When a beep code is emitted, record it on a copy of the Diagnostics Checklist in "Getting Help," and then look it up in Table 2-6. If you are unable to resolve the problem by looking up the meaning of the beep code, use the system diagnostics to identify a more serious cause. If you are still unable to resolve the problem, see "Getting Help."
Code
Cause
Corrective Action
1-1-2
Microprocessor register test failure
Replace microprocessor 1. See "Installing Microprocessors" in "Installing System Options." If the problem persists, replace microprocessor 2.
1-1-3
CMOS write/read failure
Replace the system board. See "Getting Help."
1-1-4
BIOS checksum failure
This fatal error usually requires replacement of the BIOS firmware. See "Getting Help."
1-2-1
Programmable interval-timer failure
Replace the system board. See "Getting Help."
1-2-2
1-2-3
DMA initialization failure
DMA page register write/read failure
Remove and reseat the memory modules. See "Installing Memory Modules" in "Installing System Options." If the problem persists, replace the memory modules. If the problem persists, see "Getting Help."
1-3-1
Main-memory refresh verification failure
1-3-2
No memory installed
1-3-3
Chip or data line failure in the first 64 KB of main memory
1-3-4
Odd/even logic failure in the first 64 KB of main memory
1-4-1
Address line failure in the first 64 KB of main memory
1-4-2
Parity failure in the first 64 KB of main memory
2-1-1 through
2-4-4
Bit failure in the first 64 KB of main memory
3-1-1
Slave DMA-register failure
Replace the system board. See "Getting Help."
3-1-2
Master DMA-register failure
3-1-3
Master interrupt-mask register failure
3-1-4
Slave interrupt-mask register failure
3-2-4
Keyboard-controller test failure
Check the keyboard cable and connector for proper connection. If the problem persists, replace the keyboard. If the problem persists, replace the system board. See "Getting Help."
3-3-1
CMOS failure
Replace the system board. See "Getting Help."
3-3-2
System configuration check failure
3-3-3
Keyboard controller not detected
3-3-4
Screen initialization failure
3-4-2
Screen-retrace test failure
3-4-3
Search for video ROM failure
4-2-1
No timer tick
4-2-2
Shutdown failure
4-2-3
Gate A20 failure
4-2-4
Unexpected interrupt in protected mode
Ensure that all expansion cards are properly seated, and then reboot the system.
4-3-1
Improperly seated or faulty memory modules
Remove and reseat the memory modules. See "Installing Memory Modules" in "Installing System Options." If the problem persists, replace the memory modules. If the problem persists, see "Getting Help."
4-3-3
Defective system board
Replace the system board. See "Getting Help."
4-3-4
Time-of-day clock stopped
Replace the battery. See "Replacing the System Battery" in "Installing System Options." If the problem persists, replace the system board. See "Getting Help."
4-4-1
Super I/O chip failure (defective system board)
Replace the system board. See "Getting Help."
4-4-3
Microprocessor frequency mismatch. Occurs when the front-side (external) bus speed of a microprocessor is not 533 MHz.
If video is available, a screen message identifies the faulty microprocessor. Replace the microprocessor. If video is not available, replace microprocessor 1 and then, if the problem persists, replace microprocessor 2. See "Installing Microprocessors" in "Installing System Options."
4-4-4
Cache test failure (defective microprocessor)
Remove and reseat the specified microprocessor. See "Installing Microprocessors" in "Installing System Options." If the problem persists, replace the microprocessor. If the problem persists, see "Getting Help."
A warning message alerts you to a possible problem and asks you to take corrective action before the system continues a task. For example, before you format a diskette, a message may warn you that you may lose all data on the diskette, as a way to protect against inadvertently erasing or writing over the data. These warning messages usually interrupt the procedure and require you to respond by typing y (yes) or n (no).
When you run a test group or subtest in the system diagnostics, an error message may result. These particular error messages are not covered in this section. Record the message on a copy of the Diagnostics Checklist (see "Getting Help"), and then follow the instructions in that section for obtaining technical assistance.
The optional system management software generates alert messages for your system. For example, the server agent software generates messages that appear in the SNMP trap log file. Alert messages consist of information, status, warning, and failure messages for drive, temperature, fan, and power conditions. More information about alert messages is provided in the system management software documentation found on the documentation CD that shipped with your system.
Blue Button on Back of Dell Power Supply
Source: https://cs.uwaterloo.ca/~brecht/servers/docs/PowerEdge-2600/en/Pe1750/IT/8w545c20.htm
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