BIOS Beep Codes

Award BIOS Beep Codes

1 Long, 2 Short – Video adapter failure – Bad video adapter

Repeating (Endless loop) – Memory error – Bad memory or bad connection

1 Long, 3 Short – Video adapter failure – Bad video adapter or memory

High freq. beeps (while running) – CPU is overheating – CPU fan failure

Repeating High, Low beeps – CPU failure – Bad processor

AMI (American Megatrends International) BIOS Beep Codes

1 Beep – (No video) – Memory refresh failure – Bad memory

2 Beeps – Memory parity error – Bad memory

3 Beeps – Base 64K mem failure – Bad memory

4 Beeps – Timer not operational – Bad motherboard

5 Beeps – Processor error – Bad processor

6 Beeps – 8042 Gate A20 failure – Bad CPU or Motherboard

7 Beeps – Processor exception – Bad processor

8 Beeps – Video memory error – Bad video card or memory

9 Beeps – ROM checksum error – Bad BIOS

10 Beeps – CMOS checksum error – Bad motherboard

11 Beeps – Cache memory bad – Bad CPU or motherboard

Phoenix BIOS Beep Codes
1 – 1 – 2 CPU / motherboard failure – Bad CPU / motherboard
1 – 1 – 3 CMOS read/write failure – Bad motherboard
1 – 1 – 4 BIOS ROM failure – Bad BIOS chip
1 – 2 – 1 Timer failure – Bad motherboard
1 – 2 – 2 DMA failure – Bad motherboard
1 – 2 – 3 DMA failure – Bad motherboard
1 – 3 – 1 Memory refresh failure – Bad memory
1 – 3 – 2 64K memory failure – Bad memory
1 – 3 – 3 64K memory failure – Bad memory
1 – 3 – 4 64K memory failure – Bad memory
1 – 4 – 1 Address line failure – Bad memory
1 – 4 – 2 Parity error – Bad memory
1 – 4 – 3 Timer failure – Bad motherboard
1 – 4 – 4 NMI port failure – Bad motherboard
2 – 1 – 1 64K memory failure – Bad memory
2 – 1 – 2 64K memory failure – Bad memory
2 – 1 – 3 64K memory failure – Bad memory
2 – 1 – 4 64K memory failure – Bad memory
2 – 2 – 1 64K memory failure – Bad memory
2 – 2 – 2 64K memory failure – Bad memory
2 – 2 – 3 64K memory failure – Bad memory
2 – 2 – 4 64K memory failure – Bad memory
2 – 3 – 1 64K memory failure – Bad memory
2 – 3 – 2 64K memory failure – Bad memory
2 – 3 – 3 64K memory failure – Bad memory
2 – 3 – 4 64K memory failure – Bad memory
2 – 4 – 1 64K memory failure – Bad memory
2 – 4 – 2 64K memory failure – Bad memory
2 – 4 – 4 64K memory failure – Bad memory
2 – 4 – 4 64K memory failure – Bad memory
3 – 1 – 1 Slave DMA failure – Bad motherboard
3 – 1 – 2 Master DMA failure – Bad motherboard
3 – 1 – 3 Interrupt controller failure – Bad motherboard
3 – 1 – 4 Slave IC failure – Bad motherboard
3 – 2 – 2 Interrupt Controller failure – Bad motherboard
3 – 2 – 3 <RESERVED>
3 – 2 – 4 Keyboard control failure – Bad motherboard
3 – 3 – 1 CMOS batter failure – Bad CMOS battery
3 – 3 – 2 CMOS configuration error – Incorrect setting
3 – 3 – 3 <RESERVED>
3 – 3 – 4 Video memory failure – Bad video card or memory
3 – 4 – 1 Video init failure – Bad video card or memory
4 – 2 – 1 Timer failure – Bad motherboard
4 – 2 – 2 CMOS shutdown failure – Bad motherboard
4 – 2 – 3 Gate A20 failure – Bad motherboard
4 – 2 – 4 Unexpected interrupt – Bad processor
4 – 3 – 1 RAM test failure – Bad memory
4 – 3 – 3 Timer failure – Bad motherboard
4 – 3 – 4 RTC failure – Bad motherboard
4 – 4 – 1 Serial port failure – Bad motherboard
4 – 4 – 2 Parallel port failure – Bad motherboard
4 – 4 – 3 Coprocessor failure – Bad motherboard or CPU.
9 – 2 – 1 Video adapter incompatibility – Use a different brand of video card