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BIOS beep codesMYLEX 386 BIOS beep codes1 long - Normal boot (System is booting normally)2 long - Video adapter failure (Either the video adapter is faulty, not seated properly or is missing) 1 long, 1 short, 1 long - Keyboard controller error (Either the keyboard controller IC is faulty or the system board circuitry is faulty) 1 long, 2 short, 1 long - Keyboard error (Either the keyboard controller is faulty or the system board circuitry is faulty) 1 long, 3 short, 1 long - PIC 0 error (The programmable interrupt controller IC is faulty) 1 long 4 short, 1 long - PIC 1 error (The programmable interrupt controller IC is faulty) 1 long, 5 short, 1 long - DMA page register error (The DMA controller IC 1 or 2 is faulty or the system board circuitry is faulty) 1 long, 6 short, 1 long - RAM refresh error 1 long, 7 short, 1 long - RAM data error 1 long, 8 short, 1 long - RAM parity error 1 long, 9 short, 1 long - DMA controller 1 error (The DMA controller for channel 0 is faulty or the system board circuitry is faulty) 1 long, 10 short, 1 long - CMOS RAM error (Either the CMOS RAM is faulty. Replace the CMOS) 1 long, 11 short, 1 long - DMA controller 2 error (The DMA controller for channel 1 is faulty or the system board circuitry is faulty) 1 long, 12 short, 1 long - CMOS RAM battery error (The CMOS RAM battery is faulty or the CMOS RAM is bad. Replace the battery if possible) 1 long, 13 short, 1 long - CMOS checksum error (The CMOS RAM is faulty) 1 long 14 short, 1 long - BIOS ROM checksum failure (The BIOS ROM checksum is faulty. Replace the BIOS or upgrade) <--- Index --->
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