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- Dell Diagnostic Beep Code Troubleshooting Chart
- The numbers and hyphens mean exactly what's listed. For example, the sequence 1-1-2 means beep, beep, beep-beep.
- Dell Beep Code Meanings
- 1-1-2 Processor Register Failure
- 1-1-3 NVRam
- 1-1-4 ROM Bios checksum failure
- 1-2-1 Programmable Interval Timer
- 1-2-2 DMA Initialization Failure
- 1-2-3 Direct Memory Access Page Register Read/Write Failure
- 1-3-1 - 2-4-4 Memory/RAM Not Properly Identified or Used
- 3-1-1 Slave DMA Registration Failure
- 3-1-2 Master DMA Registration Failure
- 3-1-3 Master Interrupt Mask Registration Failure
- 3-1-4 Slave Interrupt Mask Registration Failure
- 3-2-2 Interrupted Vector Loading Failure
- 3-2-4 Keyboard Controller (Input) Test Failure
- 3-3-1 NVRam Insufficient Power
- 3-3-2 Improperly configured NVRam
- 3-3-4 Video Memory(RAM) Test Failure
- 3-4-1 Screen Output Initialization Failure
- 3-4-2 Screen Retrace Failure
- 3-4-3 Failure Finding Video Read Only Memory
- 4-2-1 Lack of Time Tick
- 4-2-2 Shutdown Failure
- 4-2-3 Failure in Gate A20
- 4-2-4 Unexpected Interruption in Protect Mode
- 4-3-1 Memory Address Failure above 0FFFFH
- 4-3-4 Non Functioning Time Of Day Clock
- 4-4-1 Serial And/Or Parallel Port Test Failure
- 4-4-4 Cache Test Failure
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