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Troubleshooting 71
CH-2 Timer Error
An error is occurring on the
timer on the system board.
See "Contacting Dell" on page 179 for
instructions on obtaining technical
assistance.
CMOS Battery
State Low
CMOS Checksum
Failure
CMOS System
Options Not Set
CMOS Display Type
Mismatch
CMOS Memory Size
Mismatch
CMOS Time and
Date Not Set
The system configuration
information in the system
setup program is incorrect or
the battery charge may be
low.
Enter the system setup program (see
"Entering System Setup" on page 166),
verify the system configuration, and then
restart the computer.
Diskette Boot
Failure
Drive A or B is present but
has failed the BIOS POST.
Ensure that the drive is installed correctly
in the computer (see "Drives" on
page 106) and defined correctly in the
system setup program (see "System Setup"
on page 166). Check the interface cable at
both ends.
DMA Error
DMA 1 Error
DMA 2 Error
Error in the DMA controller
on the system board.
The keyboard or system board may need to
be replaced.
FDD Controller
Failure
HDD Controller
Failure
The BIOS cannot
communicate with the floppy
drive or hard drive controller.
Ensure that the floppy drive or the hard
drive is installed correctly in the computer
(see "Drives" on page 106) and defined
correctly in the system setup program (see
"System Setup" on page 166). Check the
interface cable at both ends.
INTR1 Error
INTR2 Error
An interrupt channel on the
system board failed to POST.
The keyboard or system board may need to
be replaced.
Invalid Boot
Diskette
The operating system cannot
be located on drive A or
drive C.
Enter the system setup program (see
"System Setup" on page 166) and confirm
that drive A or drive C is properly
identified.
Message Possible Cause Corrective Action