System Messages - Dell XPS 720 H2C Owner's Manual

3-2-4 Keyboard Controller Test failure
3-3-1 NVRAM power loss
3-3-2 Invalid NVRAM configuration
3-3-4 Video Memory Test failure
3-4-1 Screen initialization failure
3-4-2 Screen retrace failure
3-4-3 Search for video ROM failure
4-2-1 No timer tick
4-2-2 Shutdown failure
4-2-3 Gate A20 failure
4-2-4 Unexpected interrupt in protected mode
4-3-1 Memory failure above address 0FFFFh
4-3-3 Timer-chip counter 2 failure
4-3-4 Time-of-day clock stopped
4-4-1 Serial or parallel port test failure
4-4-2 Failure to decompress code to shadowed memory
4-4-3 Math-coprocessor test failure
4-4-4 Cache test failure
System Messages
NOTE: If the message you received is not listed in the table, see the documentation for either the operating system or the program that was running
when the message appeared.
Message Possible Cause
The keyboard controller
8042 Gate-A20
failed its test.
error
An error in the address
Address Line
decoding circuitry in the
Short!
memory has occurred.
The hard drive is not
C: Drive Error
working or is not configured
correctly.
C: Drive
Failure
The cache memory is not
Cache Memory
operating.
Bad, Do Not
Enable Cache
An error is occurring on the
CH-2 Timer
timer on the system board.
Error
The system configuration
CMOS Battery
information in the system
State Low
setup program is incorrect
or the battery charge may
CMOS Checksum
be low.
Failure
CMOS System
Options Not Set
CMOS Display
Type Mismatch
CMOS Memory
Size Mismatch
CMOS Time and
Date Not Set
Drive A or B is present but
Diskette Boot
has failed the BIOS POST.
Failure
Error in the DMA controller
DMA Error
on the system board.
DMA 1 Error
DMA 2 Error
The BIOS cannot
FDD Controller
Corrective Action
If you receive this message after you make
changes in the system setup program,
enter the system setup program and
restore the original value(s).
Reseat the memory modules (see Memory).
Ensure that the hard drive is installed
correctly in the computer (see Hard
and defined correctly in the system setup
program (see System Setup).
See Contacting Dell for instructions on
obtaining technical assistance.
See Contacting Dell for instructions on
obtaining technical assistance.
Enter the system setup program (see
Entering System Setup), verify the system
configuration, and then restart the
computer.
Ensure that the drive is installed correctly
in the computer (see Drives) and defined
correctly in the system setup program (see
System Setup). Check the interface cable at
both ends.
The keyboard or system board may need to
be replaced.
Ensure that the floppy drive or the hard
Drive)