Dell OptiPlex GX620 Quick Reference Guide - Page 39
Beep Codes, code tells you that the computer encountered a memory problem.
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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 32 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 Code 1-1-2 Microprocessor register failure 3-1-4 1-1-3 NVRAM read/write failure 3-2-2 1-1-4 ROM BIOS checksum failure 3-2-4 1-2-1 Programmable interval timer failure 3-3-1 1-2-2 DMA initialization failure 3-3-2 1-2-3 DMA page register read/write failure 3-3-4 1-3 Video Memory test failure 3-4-1 1-3-1 through 2-4-4 Memory not being properly identified or used 3-4-2 3-1-1 Slave DMA register failure 3-4-3 3-1-2 Master DMA register failure 4-2-1 3-1-3 Master interrupt mask register failure 4-2-2 4-2-3 Gate A20 failure 4-4-1 4-2-4 Unexpected interrupt in protected 4-4-2 mode 4-3-1 Memory failure above address 0FFFFh 4-4-3 4-3-3 Timer-chip counter 2 failure 4-4-4 4-3-4 Time-of-day clock stopped 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 39