Dell OptiPlex 990 Desktop Service Manual page 6

Controller has failed
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Data error
Decreasing available memory
Diskette drive 0 seek failure
Diskette read failure
Diskette subsystem reset failed
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Gate A20 failure
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General failure
Hard-disk drive configuration error
Hard-disk drive controller failure
Hard-disk drive failure
Hard-disk drive read failure
Invalid configuration information-please run SETUP program
Invalid Memory configuration, please populate DIMM1
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Keyboard failure
Memory address line failure at address, read value expecting value
Memory allocation error
Memory data line failure at address, read value expecting value
Memory double word logic failure at address, read value expecting value
Memory odd/even logic failure at address, read value expecting value
Memory write/read failure at address, read value expecting value
Memory size in CMOS invalid
Memory tests terminated by keystroke
No boot device available
No boot sector on hard-disk drive
No timer tick interrupt
Non-system disk or disk error
Not a boot diskette
Plug and play configuration error
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Read fault
Requested sector not found
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Reset failed
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Sector not found
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Seek error
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