Award Beep Codes

Beeps	Error Message	Description
1long, 2 short	Video adapter error	Either video adapter is bad or is not seated properly.  Also, check to ensure the monitor cable is connected properly.
Repeating (endless loop)	Memory error	Check for improperly seated or missing memory.
1long, 3short	No video card or bad video RAM	Reseat or replace the video card.
High frequency beeeps while running	Overheated CPU	Check the CPU fan for proper operation. Check the case for proper air flow.
Repeating High/Low	CPU	Either the CPU is not seated properly or the CPU is damaged.

AMI Beep Codes

Beeps	Error Message	Description
1 short	DRAM refresh failure	The programmable interrupt timer or programmable interrupt controller has probably failed
2 short	Memory parity error	A memory parity error has occurred in the first 64K of RAM.  The RAM IC is probably bad
3 short	Base 64K memory failure	A memory failure has occurred in the first 64K of RAM.  The RAM IC is probably bad
4 short	System timer failure	The system clock/timer IC has failed or there is a memory error in the first bank of memory
5 short	Processor error	The system CPU has failed
6 short	Gate A20 failure	The keyboard controller IC has failed, which is not allowing Gate A20 to switch the processor to protected mode. Replace the keyboard controller
7 short	Virtual mode processor exception error	The CPU has generated an exception error because of a fault in the CPU or motherboard circuitry
8 short	Display memory read/write error	The system video adapter is missing or defective
9 short	ROM checksum error	The contents of the system BIOS ROM does not match the expected checksum value.  The BIOS ROM is probably defective and should be replaced
10 short	CMOS shutdown register read/write error	The shutdown for the CMOS has failed
11 short	Cache error	The L2 cache is faulty
1 long, 2 short	Failure in video system	An error was encountered in the video BIOS ROM, or a horizontal retrace failure has been encountered
1 long, 3 short	Memory test failure	A fault has been detected in memory above 64KB
1 long, 8 short	Display test failure	The video adapter is either missing or defective
2 short	POST Failure	One of the hardware testa have failed
1 long	POST has passed all tests

Phoenix Beep Codes

Beeps	Error Message	Description
1-1-2	CPU test failure	The CPU is faulty.  Replace the CPU
Low 1-1-2	System board select failure	The motherboard is having an undetermined fault.  Replace the motherboard
1-1-3	CMOS read/write error	The real time clock/CMOS is faulty.   Replace the CMOS if possible
Low 1-1-3	Extended CMOS RAM failure	The extended portion of the CMOS RAM has failed.  Replace the CMOS if possible
1-1-4	BIOS ROM checksum error	The BIOS ROM has failed.  Replace the BIOS or upgrade if possible
1-2-1	PIT failure	The programmable interrupt timer has failed.  replace if possible
1-2-2	DMA failure	The DMA controller has failed.   Replace the IC if possible
1-2-3	DMA read/write failure	The DMA controller has failed.   Replace the IC if possible
1-3-1	RAM refresh failure	The RAM refresh controller has failed
1-3-2	64KB RAM failure	The test of the first 64KB RAM has failed to start
1-3-3	First 64KB RAM failure	The first RAM IC has failed.   Replace the IC if possible
1-3-4	First 64KB logic failure	The first RAM control logic has failed
1-4-1	Address line failure	The address line to the first 64KB RAM has failed
1-4-2	Parity RAM failure	The first RAM IC has failed.   Replace if possible
1-4-3	EISA failsafe timer test	Replace the motherboard
1-4-4	EISA NMI port 462 test	Replace the motherboard
2-1-1	64KB RAM failure	Bit 0; This data bit on the first RAM IC has failed.  Replace the IC if possible
2-1-2	64KB RAM failure	Bit 1; This data bit on the first RAM IC has failed.  Replace the IC if possible
2-1-3	64KB RAM failure	Bit 2; This data bit on the first RAM IC has failed.  Replace the IC if possible
2-1-4	64KB RAM failure	Bit 3; This data bit on the first RAM IC has failed.  Replace the IC if possible
2-2-1	64KB RAM failure	Bit 4; This data bit on the first RAM IC has failed.  Replace the IC if possible
2-2-2	64KB RAM failure	Bit 5; This data bit on the first RAM IC has failed.  Replace the IC if possible
2-2-3	64KB RAM failure	Bit 6; This data bit on the first RAM IC has failed.  Replace the IC if possible
2-2-4	64KB RAM failure	Bit 7; This data bit on the first RAM IC has failed.  Replace the IC if possible
2-3-1	64KB RAM failure	Bit 8; This data bit on the first RAM IC has failed.  Replace the IC if possible
2-3-2	64KB RAM failure	Bit 9; This data bit on the first RAM IC has failed.  Replace the IC if possible
2-3-3	64KB RAM failure	Bit 10; This data bit on the first RAM IC has failed.  Replace the IC if possible
2-3-4	64KB RAM failure	Bit 11; This data bit on the first RAM IC has failed.  Replace the IC if possible
2-4-1	64KB RAM failure	Bit 12; This data bit on the first RAM IC has failed.  Replace the IC if possible
2-4-2	64KB RAM failure	Bit 13; This data bit on the first RAM IC has failed.  Replace the IC if possible
2-4-3	64KB RAM failure	Bit 14; This data bit on the first RAM IC has failed.  Replace the IC if possible
2-4-4	64KB RAM failure	Bit 15; This data bit on the first RAM IC has failed.  Replace the IC if possible
3-1-1	Slave DMA register failure	The DMA controller has failed.   replace the controller if possible
3-1-2	Master DMA register failure	The DMA controller had failed.   Replace the controller if possible
3-1-3	Master interrupt mask register failure	The interrupt controller IC has failed
3-1-4	Slave interrupt mask register failure	The interrupt controller IC has failed
3-2-2	Interrupt vector error	The BIOS was unable to load the interrupt vectors into memory.  Replace the motherboard
3-2-3	Reserved
3-2-4	Keyboard controller failure	The keyboard controller has failed.   Replace the IC if possible
3-3-1	CMOS RAM power bad	Replace the CMOS battery or CMOS RAM if possible
3-3-2	CMOS configuration error	The CMOS configuration has failed.   Restore the configuration or replace the battery if possible
3-3-3	Reserved
3-3-4	Video memory failure	There is a problem with the video memory.  Replace the video adapter if possible
3-4-1	Video initialization failure	There is a problem with the video adapter.  Reseat the adapter or replace the adapter if possible
4-2-1	Timer failure	The system's timer IC has failed.   Replace the IC if possible
4-2-2	Shutdown failure	The CMOS has failed.  Replace the CMOS IC if possible
4-2-3	Gate A20 failure	The keyboard controller has failed.   replace the IC if possible
4-2-4	Unexpected interrupt in protected mode	This is a CPU problem.  Replace the CPU and retest
4-3-1	RAM test failure	System RAM addressing circuitry is faulty.  Replace the motherboard
4-3-3	Interval timer channel 2 failure	The system timer IC has failed.   Replace the IC if possible
4-3-4	Time of day clock failure	The real time clock/CMOS has failed.   Replace the CMOS if possible
4-4-1	Serial port failure	A error has occurred in the serial port circuitry
4-4-2	Parallel port failure	A error has occurred in the parallel port circuitry
4-4-3	Math coprocessor failure	The math coprocessor has failed.   If possible, replace the MPU

General IBM Beep Codes

Beeps	Error Message	Description
1 short	Normal POST	System is booting properly
2 short	Initialization error	Error code is displayed
1 long, 1 short	System board error
1 long, 2 short	Video adapter error
1 long, 3 short	EGA/VGA adapter error
3 long	3270 keyboard adapter error
Continuous	Power supply error	Replace the power supply
999s	Power supply error	Replace the power supply
No beep	Power supply	Replace the power supply

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