Dell PowerEdge 2550 User Manual Page 33
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Messages and Codes
Dell™PowerEdge™2550SystemsInstallationandTroubleshootingGuide
Application programs, 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:
l System messages
l System beep codes
l Warning messages
l Diagnostics messages
l Alert messages
l Small computer system interface (SCSI) hard-disk drive indicator codes
This section 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.
System Messages
System messages alert you to a possible operating system problem or to a conflict between the software and hardware. Table3-1 lists the system error
messages that can occur and the probable cause for each message.
Table 3-1. System Messages
System Messages
System Beep Codes
Warning Messages
Diagnostics Messages
AlertLogMessagesFromtheDellOpenManage™ServerAgent
SCSI Hard-Disk Drive Indicator Codes
NOTE: If you receive a system message that is not listed in Table3-1, check the documentation for the application program that is running when the
message appears or the operating system documentation for an explanation of the message and recommended action.
Message
Cause
Corrective Action
Address mark not found
Faulty diskette drive subsystem or hard-
disk drive subsystem (defective system
board)
Replace the system board. See "Getting Help" for instructions
on obtaining technical assistance.
Alert! Single-bit memory error
previously detected in xxxx xxxxh
Improperly seated or faulty memory
modules
Remove and reseat the memory modules. If the problem
persists, replace the memory modules. See "Getting Help" for
instructions on obtaining technical assistance.
Alert! Unsupported memory in DIMM
slot(s)
Unsupported memory module(s) installed
in specified slot(s)
Replace one or more memory modules so that all memory
modules are the same type.
Alert! Uncorrectable memory error
previously detected in xxxx xxxxh
Improperly seated or faulty memory
modules
Remove and reseat the memory modules. If the problem
persists, replace the memory modules. See "Getting Help" for
instructions on obtaining technical assistance.
Attachment failed to respond
Diskette drive or hard-disk drive controller
cannot send data to associated drive
Replace the drive. See "Getting Help" for instructions on
obtaining technical assistance.
Auxiliary device failure
Mouse cable connector loose or improperly
connected, or defective mouse
Check the mouse cable connection. If the problem persists,
replace the mouse.
Bad error-correction code(ECC) on
disk read
Controller has failed
Faulty diskette drive subsystem or hard-
disk drive subsystem (defective system
board)
Replace the system board. See "Getting Help" for instructions
on obtaining technical assistance.
CD-ROM drive not found
Improperly connected CD-ROM drive
Check that the diskette drive/CD-ROM drive unit is seated
properly against the interposer board on the peripheral cage.
See "Installing a Drive in the Peripheral Bay." Replace the
drive. See "Getting Help" for instructions on obtaining technical
assistance.
CPUswithdifferentlevel2cache
sizes detected
Two different types of microprocessors are
installed
Install a correct version of the microprocessor so that both
micro-processors have the same level 2 cache size.
Data error
Faulty diskette, diskette drive, or hard-disk
drive
Replace the diskette, diskette drive, or hard-disk drive.
Decreasing available memory
One or more memory modules improperly
seated or faulty
Remove and reseat the memory modules. If the problem
persists, replace the memory modules. See "Getting Help" for
- Installing Hard-Disk Drives 2
- Configuring the Boot Device 5
- Getting Help 6
- Problems With Your Order 7
- Product Information 7
- Before You Call 7
- Dell Contact Numbers 8
- System Board Jumpers 15
- System Board Connectors 16
- Abbreviations and Acronyms 19
- Introduction 28
- Checking the Basics 29
- Look and Listen 31
- The System Setup Program 31
- Messages and Codes 33
- System Beep Codes 35
- Warning Messages 37
- Diagnostics Messages 37
- Finding Software Solutions 39
- Device Groups Menu Options 42
- Error Messages 43
- Checking the Equipment 44
- Troubleshooting the Keyboard 45
- Troubleshooting a USB Device 47
- Checking Inside the System 49
- Removing the Front Bezel 50
- Inside the Chassis 51
- Troubleshooting a Wet System 52
- Troubleshooting the Battery 53
- Expansion Cards 65
- Removing an Expansion Card 66
- Adding Memory 67
- Installing Memory Modules 68
- Removing Memory Modules 68
- Figure 8-7. Retention Clip 69
- Replacing the Battery 73
- Before You Begin 75
- SCSI ID Numbers 76
- Device Termination 76
- Back to Contents Page 79
- Preface 80
- Figures 82
- Tables 83
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