Table 2-2. System Beep Codes - Dell OptiPlex N Troubleshooting Manual

Code Cause
1-1-2 Microprocessor 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 DMA page register read/
write failure
1-3 Video Memory Test failure
1-3-1 SIMMs or DIMMs not being
through properly identified or used
2-4-4
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
NOTE: For the full name of an abbreviation or acronym used in this table, see the abbreviation and acronym list that precedes the
Index.
2-10 Diagnostics and Troubleshooting Guide

Table 2-2. System Beep Codes

Action
See Chapter 7, "Getting Help," for instructions on obtaining technical
assistance.
Run the System Set Test Group in the Dell Diagnostics. See Chapter 4,
"Running the Dell Diagnostics."
Run the System Set Test Group in the Dell Diagnostics, if possible. See
Chapter 4, "Running the Dell Diagnostics."
Run the System Set Test Group in the Dell Diagnostics, if possible. See
Chapter 4, "Running the Dell Diagnostics."
Run the System Set Test Group in the Dell Diagnostics, if possible. See
Chapter 4, "Running the Dell Diagnostics."
Run the System Set Test Group in the Dell Diagnostics, if possible. See
Chapter 4, "Running the Dell Diagnostics."
Run the Video Test Group in the Dell Diagnostics. See Chapter 4, "Run-
ning the Dell Diagnostics."
See "Troubleshooting System Memory" in Chapter 7.
Run the System Set Test Group in the Dell Diagnostics, if possible. See
Chapter 4, "Running the Dell Diagnostics."
Run the System Set Test Group in the Dell Diagnostics, if possible. See
Chapter 4, "Running the Dell Diagnostics."
Otherwise, see Chapter 7, "Getting Help," for instructions on obtaining
technical assistance.
Otherwise, see Chapter 7, "Getting Help," for instructions on obtaining
technical assistance.
See Chapter 7, "Getting Help," for instructions on obtaining technical
assistance.
Run the Keyboard Test Group in the Dell Diagnostics. See Chapter 4,
"Running the Dell Diagnostics." Otherwise, see Chapter 7, "Getting
Help," for instructions on obtaining technical assistance.
Run the System Set Test Group in the Dell Diagnostics, if possible. See
Chapter 4, "Running the Dell Diagnostics."