Motherboard small speaker / motherboard buzzer / computer chassis buzzer / speaker

Scope of use: After the computer is turned on, we will hear the familiar sound "beep", which generally means that the computer can be used normally. This sound is emitted from this "baby".

The red line is the positive pole and the black line is the negative pole (actually it is not positive or negative, as long as it is connected to the Speaker interface)

The main board alarm tone indicates 
the general meaning of the AWARD BIOS ringing sound: 

1 short: The system starts normally, which is what we can hear every day, and it also indicates that the machine has no problems. 
2 Short: General error, please enter CMOS Setup and reset the incorrect option. 
1 long 1 short: RAM or motherboard error, try a memory, if it still does not work, had to replace the motherboard. 
1 long 2 short: display or display card error. 
1 long 3 short: keyboard controller error, check the motherboard. 
1 long 9 short: The motherboard flash RAM or EPROM error, the BIOS is damaged. Try changing the block flash RAM. 
Continuously ringing (long sound): The memory module is not plugged or damaged. Re-insert the memory stick. If it still doesn't work, only replace one memory. 
Keep ringing: The power supply and monitor are not connected to the display card. Check all the plugs. 
Repeat short sound: power problem. 
No sound, no display: power problem. 

The general meaning of the AMI BIOS ringing tone is: 
1. A short sound, memory refresh failed. Memory damage is serious, I am afraid you have to replace the memory. 
2. Two short sounds, memory parity error. You can enter the CMOS settings and turn off the memory Parity parity option, which is set to Disabled. However, in general, the memory stick has parity and the parity is turned on in the CMOS settings, which is good for the stability of the microcomputer system. 
3. Three short sounds, system basic memory ( 64Kb) check failed. Replace the memory. 
4. Four short sounds, the system clock is wrong. Repair or replace the motherboard. 
5. Five short sounds, CPU error. But it may not be all the fault of the CPU itself, or it may be a problem with the CPU socket or some other place. If the CPU is normal on other motherboards, the error is definitely the motherboard.
6. Six short sounds, keyboard controller error. If the keyboard is not plugged in, then it is easy to install, just plug it in; if the keyboard is connected properly but there is an error, you may want to try a good keyboard; otherwise, there is a problem with the keyboard control chip or related parts.
7. Seven short sounds, the system real mode error, can not switch to the protection mode. This is also the fault of the motherboard. 
8. Eight short sounds, memory read/write errors. The memory chip on the graphics card may be damaged. If the memory slice is pluggable, just find the bad one and replace it, otherwise the graphics card needs to be repaired or replaced. 
9. Nine short sounds, ROM BIOS check error. Try changing the good BIOS of the same type. If you prove that there is a problem with the BIOS, you can try to recover by rewriting or even hot plugging. 
10. Ten short sounds, register read/write errors. Only repair or replace the motherboard. 
11. Eleven short, cache error. 
12. If you can't hear the beep ringing and you can't see the screen display, you should first check if the power supply is connected properly. It is easy to neglect during the maintenance. If you do not connect the power supply to the motherboard, you can start the test. Secondly, let's see if there are fewer components, such as CPU, memory stick, etc. Again, unplug all the cards in question and try to leave only the card. Locate the jumper on the motherboard to clear the CMOS settings, clear the CMOS settings, and return the BIOS to the factory state. If there is no problem with the monitor or the display card and the connection, there is no problem with the CPU and the memory. After the above steps, the microcomputer still does not display or ring when the computer is turned on, and it can only be a problem of the motherboard. 

POENIX BIOS alarm sound (previous boss has many POENIX, can now be acquired by AWARD) 

1 short system startup normal 
1 short 1 short 1 short system power-on initialization failure 
1 short 1 short 2 short motherboard error 
1 short 1 Short 3 short CMOS or battery failure 
1 short 1 short 4 short ROM BIOS check error 
1 short 2 short 1 short system clock error
1 short 2 short 2 short DMA initialization failure 
1 short 2 short 3 short DMA page register error 
1 short 3 short 1 short RAM refresh error 
1 short 3 short 2 short basic memory error 
1 short 3 short 3 short basic memory error 
1 short 4 short 1 short basic memory address line error 
1 short 4 short 2 short basic memory check error 
1 short 4 short 3 short EISA timing error 
1 short 4 short 4 short EISA NMI port error 
2 short 1 short 1 short front 64K basic memory error 
3 Short 1 Short 1 Short DMA Register Error 
3 Short 1 Short 2 Short Master DMA Register Error 
3 Short 1 Short 3 Short Main Interrupt Processing Register Error 
3 Short 1 Short 4 Short From Interrupt Processing Register Error 
3 Short 2 Short 4 Short Keyboard Controller Error 
3 short 1 short 3 short main interrupt processing register error 
3 short 4 short 2 short display error 
3 short 4 short 3 short clock error 
4 short 2 short 2 short shutdown error 
4 short 2 short 3 short A20 gate error 
4 short 2 short 4 short Protection mode interrupt error 
4 short 3 short 1 short memory error 
4 short 3 short 3 short clock 2 error 
4 short 3 short 4 short clock error 
4 short 4 short 1 short serial port error 
4 short 4 short 2 short parallel port error 
4 short 4 short 3 short digital coprocessor error

The sound of the buzzer can be used to judge the working status of the motherboard


*