Dell OptiPlex 755 Manual do Utilizador descarregar pdf (Página 71)

100

101

Quick Reference Guide 71

If you experience any of the following beep code errors, see "Contacting Dell"

in the

User’s Guide

for instructions on obtaining technical assistance.

Code Cause

1-3-1 through

2-4-4

Memory not being properly identified or used

4-3-1 Memory failure above address 0FFFFh

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

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