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OptiPlex SX280の取扱説明書・マニュアル [全74ページ 4.59MB]

26 Quick Reference Guidewww.dell.com | support.dell.comBeep CodesYour 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 co de, identifies a problem. One possible beep code (code 1-3-1) consists of one beep, a burst of thr ee 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 19 to identify a more serious cause.3 Contact Dell for technical assistance. Code Cause Code Cause1-1-2 Microprocessor register failure 3-3-4 Video Memory Test failure1-1-3 NVRAM read/write failure 3-4-1 Screen initialization failure1-1-4 ROM BIOS checksum failur e 3-4-2 Screen retrace failure1-2-1 Programmable interval timer failure 3-4-3 Search for video ROM failure1-2-2 DMA initialization failure 4-2-1 No timer tick1-2-3 DMA page register read/wri te failure 4-2-2 Shutdown failure1-3 Video Memory Test failure 4-2-3 Gate A20 failure1-3-1 through 2-4-4Memory not being properly id entified or used 4-2-4 Unexpected interrupt in protected mode3-1-1 Slave DMA register failure 4-3-1 Memory failure above address 0FFFFh3-1-2 Master DMA register failure 4-3-3 Timer-chip counter 2 failure3-1-3 Master interrupt mask register failure 4-3-4 Time-of-day clock stopped3-1-4 Slave interrupt mask register failure 4 -4-1 Serial or parallel port test failure3-2-2 Interrupt vector loading failure 4-4 -2 Failure to decompress code to shadowed memory3-2-4 Keyboard Controller Test failure 4-4-3 Math-coprocessor test failure3-3-1 NVRAM power loss 4-4-4 Cache test failure3-3-2 Invalid NVRAM configuration

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