Alarm Tone Meaning:

• 1 short: the system starts properly, which we hear every day, but also that machines without any problems
• 2 short: General error, please enter the CMOS Setup, reset the incorrect options
• 1 long 1 short: RAM or motherboard error, try for a memory, if that does not work, had to replace the motherboard
• 1 long 2 short: Monitor or display card error
• 1 long 3 short: Keyboard controller error, check the motherboard
• 1 long 9 short: board Flash RAM or EPROM error, BIOS damage. For the block Flash RAM try
• Continuous sound (long beeps): memory is not seated or damaged. Re-insert the memory, if that does not work, replace only a memory
• It kept ringing: power supply, display and graphics card connected
• Repeat short ring: Power problems
• No sound No display: power problems

Use:

• Power on the computer, we will hear the familiar sound of "beep" a sound, generally indicating that the computer can be used normally, the sound is emitted from the "baby"
• Red is positive, black line is negative (in fact, regardless of the positive and negative, as long as the interface connected to the Speaker can be used)