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