Table 2-2. Power Supply Indicator Patterns; Table 2-3. System Messages - Dell PowerEdge 2500 Installation And Troubleshooting Manual

Table 2-2. Power Supply Indicator Patterns
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.
System Messages
System messages alert you to a possible operating system problem or to a conflict between the software and hardware.
can occur and the probable cause for each message.
NOTE: If you receive a system message that is not listed in Table 2-3, 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.
Table 2-3. System Messages
Message
Address mark not found
Alert! Maximum memory size
exceeded. Limiting memory size
to 4 GB
Alert! Single-bit memory error
previously detected in xxxx
xxxxh
Alert! Previous processor
thermal failure.
Alert! Primary processor is out
of rev.
Alert! Processor thermal probe
failure detected.
Alert! Secondary processor is
out of rev.
Alert! Unsupported memory in
DIMM slot(s)
Alert! Uncorrectable memory
error previously detected in
xxxx xxxxh
Attachment failed to respond
Auxiliary device failure
Cause
Faulty diskette/CD-ROM subsystem
or hard-disk drive subsystem
(defective system board)
System supports up to 4 GB of
memory
Improperly seated or faulty memory
modules
The microprocessor exceeded its
recommended operating temperature
during the previous operating session.
System detected that the primary
processor is not the correct revision.
Faulty processor or defective system
board.
System detected that the secondary
processor is not the correct revision.
Unsupported memory module(s)
installed in specified slot(s)
Improperly seated or faulty memory
modules
Diskette drive or hard-disk drive
controller cannot send data to
associated drive
Mouse cable connector loose or
improperly connected, defective
mouse
Table 2-3 lists the system error messages that
Corrective Action
Replace the system board. See "Getting
obtaining technical assistance.
Remove a memory module pair so that the maximum amount of
memory is 4 GB or less. See "Removing Memory
"Installing System Board Options."
Remove and reseat the memory modules. See
Modules" in "Installing System Board Options." If the problem
persists, replace the memory modules. See
Modules" in "Installing System Board Options." If the problem still
persists, see "Getting Help," for instructions on obtaining technical
assistance.
Remove and Replace the defective microprocessor. See
Replacing a Microprocessor" in "Installing System Board Options."
Replace the microprocessor. See "Adding or Replacing a
Microprocessor" in "Installing System Board Options."
Replace the defective microprocessor. See
Microprocessor" in "Installing System Board Options." If the
problem persists, the system is defective. See
instructions on obtaining technical assistance.
Replace the microprocessor with a type supported by Dell. See
"Adding or Replacing a Microprocessor" in "Installing System
Board Options."
Replace one or more memory modules so that the memory module
pairs are the same type. See "Removing Memory
"Installing System Board Options."
Remove and reseat the memory modules. See
a Microprocessor" in "Installing System Board Options." If the
problem persists, replace the memory modules. See
Replacing a Microprocessor" in "Installing System Board Options."
If the problem still persists, see "Getting
obtaining technical assistance.
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.
Check the mouse cable connection.
"Troubleshooting Your System." If the problem persists, replace the
mouse. See "Getting Help," for instructions on obtaining technical
Help," for instructions on
Modules" in
"Removing Memory
"Removing Memory
"Adding or
"Adding or Replacing a
"Getting Help," for
Modules" in
"Adding or Replacing
"Adding or
Help," for instructions on
"External Connections" in