Dell Inspiron 7500 Reference And Troubleshooting Manual page 133

Table C-1. System Error Messages (continued)
Message
Parity check 2
nnnn
Real time clock
error
Shadow RAM
failed at off-
set: nnnn
CMOS battery is
dead—Replace
and run Setup
System cache
error—cache
disabled
System CMOS
checksum bad—
run Setup
System RAM
failed at off-
set: nnnn
System timer
error
NOTE: For the full name of an abbreviation or acronym used in this table, see the Glossary in the system Help.
support.dell.com
Cause
A parity error was found in
the I/O bus at address nnnn.
The CMOS battery that
supports data stored in
NVRAM may be dead.
Shadow RAM failed at
address nnnn.
The CMOS battery is dead.
The primary cache internal to
the microprocessor has
failed.
The BIOS has been updated.
CMOS has been corrupted or
modified, possibly by an
application program that
changes data stored in
CMOS.
System RAM failed at
address nnnn in the 64-KB
block at which the error was
detected.
A chip on the system board
may be malfunctioning.
Action
Call Dell for technical assistance. (For instructions,
see Chapter 5, "Getting Help.")
Call Dell for technical assistance. (For instructions,
see Chapter 5, "Getting Help.")
Call Dell for technical assistance. (For instructions,
see Chapter 5, "Getting Help.")
Call Dell for technical assistance. (For instructions,
see Chapter 5, "Getting Help.")
Call Dell for technical assistance. (For instructions,
see Chapter 5, "Getting Help.")
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.")
Call Dell for technical assistance. (For instructions,
see Chapter 5, "Getting Help.")
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.)
System Messages and Beep Codes C-3