Common Error Beep Codes

AMI BIOS Beep Codes

• 1 Beep – Memory Refresh Failure (check RAM)
• 2 Beeps – Memory Parity Error in first 64KB block (check RAM)
• 3 Beeps – Memory Read/Write Error in first 64KB block (check RAM)
• 4 Beeps – Motherboard timer not functioning (may need to replace the motherboard)
• 5 Beeps – Processor Error (may need to replace the processor)
• 6 Beeps – Gate A20/keyboard controller failure (may need to replace the motherboard)
• 7 Beeps – Processor Exception Interrupt Error (may need to replace the processor)
• 8 Beeps – Display Memory Read/Write Failure (check video card)
• 9 Beeps – ROM checksum Error (replace BIOS chip or motherboard)
• 10 Beeps – CMOS shutdown Read/Write error (possible motherboard replacement)
• 11 Beeps – Bad Cache Memory – test failed (replace cache memory)

Phoenix BIOS beep codes 
They are series of beeps separated by a pause,
A 1-2-1-2 series would be like :
beep *pause beep beep *pause beep *pause beep beep

• 1-1-4-1 – Cache Error (level 2)
• 1-2-2-3 – BIOS ROM Checksum
• 1-3-1-1 – DRAM Refresh Test
• 1-3-1-3 – Keyboard controller test
• 1-3-4-1 – RAM Failure on address line xxxx (check memory)
• 1-3-4-3 – RAM Failure on data bits xxxx of low byte of memory bus
• 1-4-1-1 – RAM Failure on data bits xxxx of high byte of memory bus
• 2-1-2-3 – ROM copyright notice
• 2-2-3-1 – Test for unexpected interrupts

Award BIOS beep codes:

• one long beep and two short beeps – Video error (check video card)
• two short beeps – Non-Fatal Error (check RAM)