These are used by PC builders to diagnose power on, bios and motherboard issues via beep codes.
A must have for any serious builder!
- Brand new
- 4-pin header connector (wired to pins 1 and 4)
- Colour: Black
- 1x Supplied
- Fast-boot may disable power-on beep with some BIOS
- Intended for boot confirmation and BIOS debug only, not for general purpose sound speakers
- Remove memory and power on to test beep codes
General meaning from beeps are: (Please note, these can change depending on your setup - This is only a example guideline)
- 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): RAM is not seated or damaged. Re-insert, if that does not work, replace the memory.
If it keeps ringing: Check power supply, display and graphics card connected.
Check all plugs.







