Beep Codes - Dell OptiPlex GX620 Quick Reference Manual

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.
2 See "Dell Diagnostics" on page 33 to identify a more serious cause.
3 Contact Dell for technical assistance. For information on contacting Dell, see your online
User's Guide.
Code
1-1-2
1-1-3
1-1-4
1-2-1
1-2-2
1-2-3
1-3
1-3-1 through 2-4-4 Memory not being properly
3-1-1
3-1-2
3-1-3
4-2-3
4-2-4
4-3-1
4-3-3
4-3-4
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Quick Reference Guide
Cause
Microprocessor register failure
NVRAM read/write failure
ROM BIOS checksum failure
Programmable interval timer failure 3-3-1
DMA initialization failure
DMA page register read/write
failure
Video Memory test failure
identified or used
Slave DMA register failure
Master DMA register failure
Master interrupt mask register
failure
Gate A20 failure
Unexpected interrupt in protected
mode
Memory failure above address
0FFFFh
Timer-chip counter 2 failure
Time-of-day clock stopped
Code Cause
3-1-4 Slave interrupt mask register failure
3-2-2 Interrupt vector loading failure
3-2-4 Keyboard Controller test failure
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
4-4-1 Serial or parallel port test failure
4-4-2 Failure to decompress code to
shadowed memory
4-4-3 Math-coprocessor test failure
4-4-4 Cache test failure