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2-4 Chapter 2: POST Diagnostics
Beeps Error Message Corrective Action
2-4-1-2 0271: Check date and time
settings
Set Time and Date
Configuration Errors
3-1-1-1 0280: Previous boot incomplete
- Default configuration used
3-1-1-2 0281: Memory Size found by
POST differed from EISA
CMOS
Possible Hardware
problem with
Motherboard or
memory
Diskette Errors
3-4-1-1 02B0: Diskette drive A error Replace drive or correct
setup to reflect no drive
3-4-1-2 02B1: Diskette drive B error Replace drive or correct
setup to reflect no drive
3-4-1-3 02B2: Incorrect Drive A type -
run SETUP
Replace drive or correct
setup to reflect no drive
3-4-1-4 02B3: Incorrect Drive B type -
run SETUP
Replace drive or correct
setup to reflect no drive
Cache Errors
4-2-1-1 02D0: System cache error -
Cache disabled
Replace Cache
module/Motherboard
Other Errors
4-4-1-1 02F0: CPU ID: Replace CPU
4-4-2-1 02F4: EISA CMOS not writeable Replace Motherboard
4-4-2-2 02F5: DMA Test Failed Replace Motherboard
4-4-2-3 02F6: Software NMI Failed Replace Motherboard
4-4-2-4 02F7: Fail-safe Timer NMI
Failed
Replace Motherboard