Dell Precision 370 User Manual download pdf (Page 99)

Beep Codes

Your computer might emit a series of beeps during start-up if the monitor cannot display errors or problems. This series of

beeps, called a beep code, identifies a problem. One possible beep code (code 1-3-1) consists of one beep, a burst of three

beeps, and then one beep. This beep code tells you that the computer encountered a memory problem.

If your computer beeps during start-up:

1. Write down the beep code on the Diagnostics Checklist

2. Run the Dell Diagnostics

to identify a more serious cause.

3. Contact Dell for technical assistance.

Code Cause

1-1-2 Microprocessor register failure

1-1-3 NVRAM read/write failure

1-1-4 ROM BIOS checksum failure

1-2-1 Programmable interval timer failure

1-2-2 DMA initialization failure

1-2-3 DMA page register read/write failure

1-3 Video Memory Test failure

1-3-1 through 2-4-4 Memory not being properly identified or used

3-1-1 Slave DMA register failure

3-1-2 Master DMA register failure

3-1-3 Master interrupt mask register failure

3-1-4 Slave interrupt mask register failure

3-2-2 Interrupt vector loading failure

3-2-4 Keyboard Controller Test failure

3-3-1 NVRAM power loss

3-3-2 Invalid NVRAM configuration

3-3-4 Video Memory Test failure

3-4-1 Screen initialization failure

3-4-2 Screen retrace failure

3-4-3 Search for video ROM failure

4-2-1 No timer tick

4-2-2 Shutdown failure

4-2-3 Gate A20 failure

4-2-4 Unexpected interrupt in protected mode

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Dell Precision 370 User Manual Page 99