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Table 2-2.PowerSupplyIndicatorPatterns
System Messages
System messages alert you to a possible operating system problem or to a conflict between the software and hardware. Table2-3 lists the system error messages that
can occur and the probable cause for each message.
Table 2-3.SystemMessages
Indicator
Indicator Code
Power-on
Green indicator indicates that the power supply is operational.
Fault
Red indicator indicates a problem with the power supply i.e., fan failure, voltage error, etc.
AC present
Green indicator indicates that AC power is present at the power supply and that the system is connected to an AC source.
NOTE: If you receive a system message that is not listed in Table2-3, check the documentation for the application that is running when the message appears
and/or the operating system documentation for an explanation of the message and recommended action.
Message
Cause
Corrective Action
Address mark not found
Faulty diskette/CD-ROM subsystem
or hard-disk drive subsystem
(defectivesystemboard)
Replace the system board. See "Getting Help," for instructions on
obtaining technical assistance.
Alert! Maximum memory size
exceeded. Limiting memory size
to 4 GB
System supports up to 4 GB of
memory
Remove a memory module pair so that the maximum amount of
memory is 4 GB or less. See "Removing Memory Modules" in
"Installing System Board Options."
Alert! Single-bit memory error
previously detected in xxxx
xxxxh
Improperly seated or faulty memory
modules
Remove and reseat the memory modules. See "Removing Memory
Modules" in "Installing System Board Options." If the problem
persists, replace the memory modules. See "Removing Memory
Modules" in "Installing System Board Options." If the problem still
persists, see "Getting Help," for instructions on obtaining technical
assistance.
Alert! Previous processor
thermal failure.
The microprocessor exceeded its
recommended operating temperature
during the previous operating session.
Remove and Replace the defective microprocessor. See "Adding or
Replacing a Microprocessor" in "Installing System Board Options."
Alert! Primary processor is out
of rev.
System detected that the primary
processor is not the correct revision.
Replace the microprocessor. See "Adding or Replacing a
Microprocessor" in "Installing System Board Options."
Alert! Processor thermal probe
failure detected.
Faulty processor or defective system
board.
Replace the defective microprocessor. See "Adding or Replacing a
Microprocessor" in "Installing System Board Options." If the
problem persists, the system is defective. See "Getting Help," for
instructions on obtaining technical assistance.
Alert! Secondary processor is
out of rev.
System detected that the secondary
processor is not the correct revision.
Replace the microprocessor with a type supported by Dell. See
"Adding or Replacing a Microprocessor" in "Installing System
Board Options."
Alert! Unsupported memory in
DIMM slot(s)
Unsupported memory module(s)
installed in specified slot(s)
Replace one or more memory modules so that the memory module
pairs are the same type. See "Removing Memory Modules" in
"InstallingSystemBoardOptions."
Alert! Uncorrectable memory
error previously detected in
xxxx xxxxh
Improperly seated or faulty memory
modules
Remove and reseat the memory modules. See "Adding or Replacing
a Microprocessor" in "Installing System Board Options." If the
problem persists, replace the memory modules. See "Adding or
Replacing a Microprocessor" in "Installing System Board Options."
If the problem still persists, 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 defective drive. See "Installing a Device That Uses the
System's Integrated SCSI Controller" in "Installing Drives." If the
problem still persists, see "Getting Help," for instructions on
obtaining technical assistance.
Auxiliary device failure
Mouse cable connector loose or
improperly connected, defective
mouse
Check the mouse cable connection. "External Connections" in
"Troubleshooting Your System." If the problem persists, replace the
mouse. See "Getting Help," for instructions on obtaining technical