Dell OptiPlex GXa, Руководство по обслуживанию

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3-8 Dell OptiPlex GXa and OptiPlex NX Systems Service Manual
Seek error
MS-DOS unable to
locate specific track on
diskette or hard-disk
drive. Defective diskette or
hard-disk drive.
Seek opera-
tion failed
System could not find
particular address mark
on disk. Faulty diskette or hard-
disk drive.
Shutdown fail-
ure
System board chip
faulty. Defective system board.
Time-of-day
clock stopped
Backup battery low. Defective battery or
faulty chip (defective sys-
tem board).
Time-of-day
not set
Time or date setting in
System Setup program
incorrect, or system bat-
tery bad. Incorrect Time or Date
settings or defective sys-
tem battery.
Timer chip
counter 2
failed
Timer circuit on system
board malfunctioning. Defective system board.
Unexpected
interrupt in
protected mode
Keyboard/mouse con-
troller malfunctioning,
or one or more DIMMs
improperly seated. Improperly seated
DIMMs or faulty key-
board/mouse controller
chip (defective system
board).
Write fault
Write fault
on selected
drive
MS-DOS cannot write
to diskette or hard-disk
drive. Faulty diskette or hard-
disk drive.
Table 3-2. System Error Messages (continued)
Message Definition Probable Causes