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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 30 to identify a more serious cause.
3 Contact Dell for technical assistance. For information on contacting Dell, see your online User's
Guide.
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 3-3-1
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
4-2-3
Gate A20 failure
4-2-4
Unexpected interrupt in protected
mode
4-3-1
Memory failure above address
0FFFFh
4-3-3
Timer-chip counter 2 failure
4-3-4
Time-of-day clock stopped
All manuals and user guides at all-guides.com
Code
3-1-4
3-2-2
3-2-4
3-3-2
3-3-4
3-4-1
3-4-2
3-4-3
4-2-1
4-2-2
4-4-1
4-4-2
4-4-3
4-4-4
Cause
Slave interrupt mask register failure
Interrupt vector loading failure
Keyboard Controller test failure
NVRAM power loss
Invalid NVRAM configuration
Video Memory test failure
Screen initialization failure
Screen retrace failure
Search for video ROM failure
No timer tick
Shutdown failure
Serial or parallel port test failure
Failure to decompress code to
shadowed memory
Math-coprocessor test failure
Cache test failure
Quick Reference Guide
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