Dell OptiPlex E1 - Manual (Page 4)

POST Beep Codes: Dell™ OptiPlex™ E1 Systems
If the monitor cannot display error messages during the POST, the system may emit a series of beeps that identifies the problem or that can help you identify a faulty
component or assembly. The following table lists the beep codes that may be generated during the POST. Most beep codes indicate a fatal error that prevents the
system from completing the boot routine until the indicated condition is corrected.
Beep Code Error Probable Causes
1-1-3 NVRAM write/read failure Defective system board
1-1-4 BIOS checksum failure Faulty BIOS or defective system board
1-2-1 Programmable interval-timer failure Defective system board
1-2-2 DMA initialization failure Defective system board
1-2-3 DMA page register write/read failure Defective system board
1-3-1 Main-memory refresh verification failure Faulty or improperly seated DIMM or defective system
board
1-3-2 No memory installed No memory installed, or faulty or improperly seated DIMM
1-3-3 Chip or data line failure in the first 64 KB of
main memory Faulty or improperly seated DIMM
1-3-4 Odd/even logic failure in the first 64 KB of main
memory Faulty or improperly seated DIMM
1-4-1 Address line failure in the first 64 KB of main
memory Faulty or improperly seated DIMM
1-4-2 Parity failure in the first 64 KB of main memory Faulty or improperly seated DIMM
Address line failure in the first 64 KB of RAM
(System riser cards may cause this error. Remove the riser
card and retest)
2-1-1 through
2-4-4 Bit failure in the first 64 KB of main memory Faulty or improperly seated DIMM
3-1-1 Slave DMA-register failure Defective system board
3-1-2 Master DMA-register failure Defective system board
3-1-3 Master interrupt-mask register failure Defective system board
3-1-4 Slave interrupt-mask register failure Defective system board
3-2-4 Keyboard-controller test failure Faulty keyboard controller (defective system board)
3-3-4 Screen initialization failure Faulty video subsystem (defective system board)
3-4-1 Screen-retrace test failure Faulty video subsystem (defective system board)
3-4-2 Search for video ROM failed Faulty video subsystem (defective system board)
4-2-1 No timer tick Defective system board
4-2-2 Shutdown failure Defective system board
4-2-3 Gate A20 failure Defective system board
4-2-4 Unexpected interrupt in protected mode Defective system board
4-3-1 Memory failure above address 0FFFFh Faulty or improperly seated DIMM
4-3-3 Timer-chip counter 2 failure Defective system board
4-3-4 Time-of-day clock stopped Bad battery or defective system board
4-4-1 Serial-port test failure Faulty I/O chip (defective system board)
4-4-2 Parallel-port test failure Faulty I/O chip (defective system board)
4-4-3 Math coprocessor failure Faulty microprocessor chip or system board
4-4-4 Cache test failure Defective microprocessor or system board