Gigabyte Technology

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BIOS beep codes

Source for all known codes is Gigabyte FAQ (though the text seems to have been copied and pasted from some other source).

code	meaning
1. AWARD BIOS
1 short beep	System normal
2 short beeps	CMOS Error
1 long beep and 1 short beep	Memory error
1 long beep and 2 short beeps	Graphic card error
1 long beep and 3 short beeps	AGP error
1 long beep and 9 short beeps	Memory Error
Continuous long beep	Memory not correctly installed
Continuous short beeps	Power supply unit failed
2. AMI BIOS
1 short beep	Memory Error
2 short beeps	Memory parity check error.
3 short beeps	basic memory 64K address check error
4 short beeps	Real Time Clock malfunction
5 short beeps	CPU error
6 short beeps	Keyboard error
7 short beeps	CPU interruption error
8 short beeps	Graphic card error
9 short beeps	Memory error
10 short beeps	CMOS error
11 short beeps	CPU cache memory malfunction
UNKNOWN BIOS
4 long beeps, 1 short beep	unknown
on-board LEDs light up, fan starts up; all go off after beep sequence; sequence repeats after a few seconds

Outlinks

Reference

• Wikipedia