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support.dell.com System Messages and Beep Codes C-3
Parity check 2
nnnn
A parity error was found in
the I/O bus at address nnnn.
Call Dell for technical assistance. (For instructions,
see Chapter 5, “Getting Help.”)
Real time clock
error
The CMOS battery that
supports data stored in
NVRAM may be dead.
Call Dell for technical assistance. (For instructions,
see Chapter 5, “Getting Help.”)
Shadow RAM
failed at off-
set: nnnn
Shadow RAM failed at
address nnnn.
Call Dell for technical assistance. (For instructions,
see Chapter 5, “Getting Help.”)
CMOS battery is
dead—Replace
and run Setup
The CMOS battery is dead. Call Dell for technical assistance. (For instructions,
see Chapter 5, “Getting Help.”)
System cache
error—cache
disabled
The primary cache internal to
the microprocessor has
failed.
Call Dell for technical assistance. (For instructions,
see Chapter 5, “Getting Help.”)
System CMOS
checksum bad—
run Setup
The BIOS has been updated.
CMOS has been corrupted or
modified, possibly by an
application program that
changes data stored in
CMOS.
Reboot the computer and press <F2> as soon as
you see the Dell logo screen to enter the Setup
program and reconfigure the system. If the prob-
lem persists, call Dell for technical assistance. (For
instructions, see Chapter 5, “Getting Help.”)
System RAM
failed at off-
set: nnnn
System RAM failed at
address nnnn in the 64-KB
block at which the error was
detected.
Call Dell for technical assistance. (For instructions,
see Chapter 5, “Getting Help.”)
System timer
error
A chip on the system board
may be malfunctioning.
Run the System Board Devices device group
and the Keyboard Controller Test in the Dell
Diagnostics. (For instructions, see “Running the
Dell Diagnostics” found later in this chapter.)
Table C-1. System Error Messages (continued)
Message Cause Action
NOTE: For the full name of an abbreviation or acronym used in this table, see the Glossary in the system Help.