AMI BIOS Beep Codes
Sound Meaning
1 short beep DRAM refresh failure
2 short beeps Parity circuit failure
3 short beeps Base 64k RAM failure
4 short beeps System timer failure
5 short beeps Process failure
6 short beeps Keyboard controller gate A20 error
7 short beeps Video mode exception error
8 short beeps Display memory read/write test failure
9 short beeps ROM BIOS checksum failure
10 short beeps CMOS shutdown read/write error
11 short beeps Cache memory error
1 long, 3 short beeps Memory failure
1 long, 8 short beeps Display test failed
Award BIOS Beep Codes
1 long, 2 short Video error
Any other Memory problem
Phoenix BIOS Beep Codes
1-1-2 The CPU is faulty.
Low 1-1-2 The motherboard is having an undetermined fault.
1-1-3 The real-time clock/CMOS is faulty.
Low 1-1-3 The extended portion of the CMOS RAM has failed.
1-1-4 The BIOS ROM has failed.
1-2-1 The programmable interrupt timer has failed.
1-2-2 The DMA controller has failed.
1-2-3 The DMA controller has failed.
1-3-1 The RAM refresh controller has failed.
1-3-2 The test of the first 64-KB RAM has failed to start.
1-3-3 The first RAM IC has failed.
1-3-4 The first RAM control logic has failed.
1-4-1 The address line to the first 64-KB RAM has failed.
1-4-2 The first RAM IC has failed.
1-4-3 Replace the motherboard.
1-4-4 Replace the motherboard.
2-1-1 Bit 0; This data bit on the first RAM IC has failed.
2-1-2 Bit 1; This data bit on the first RAM IC has failed.
2-1-3 Bit 2; This data bit on the first RAM IC has failed.
2-1-4 Bit 3; This data bit on the first RAM IC has failed.
2-2-1 Bit 4; This data bit on the first RAM IC has failed.
2-2-2 Bit 5; This data bit on the first RAM IC has failed.
2-2-3 Bit 6; This data bit on the first RAM IC has failed.
2-2-4 Bit 7; This data bit on the first RAM IC has failed.
2-3-1 Bit 8; This data bit on the first RAM IC has failed.
2-3-2 Bit 9; This data bit on the first RAM IC has failed.
2-3-3 Bit 10; This data bit on the first RAM IC has failed.
2-3-4 Bit 11; This data bit on the first RAM IC has failed.
2-4-1 Bit 12; This data bit on the first RAM IC has failed.
2-4-2 Bit 13; This data bit on the first RAM IC has failed.
2-4-3 Bit 14; This data bit on the first RAM IC has failed.
2-4-4 Bit 15; This data bit on the first RAM IC has failed.
3-1-1 The DMA controller has failed.
3-1-2 The DMA controller had failed.
3-1-3 The interrupt controller IC has failed.
3-1-4 The interrupt controller IC has failed.
3-2-2 The BIOS was unable to load the interrupt vectors into memory.
3-2-3 Reserved
3-2-4 The keyboard controller has failed.
3-3-1 Replace the CMOS battery or CMOS RAM if possible.
3-3-2 The CMOS configuration has failed.
3-3-3 Reserved
3-3-4 There is a problem with the video memory.
3-4-1 There is a problem with the video adapter.
4-2-1 The system’s timer IC has failed.
4-2-2 The CMOS has failed.
4-2-3 The keyboard controller has failed.
4-2-4 This is a CPU problem.
4-3-1 System RAM addressing circuitry is faulty.
4-3-3 The system timer IC has failed.
4-3-4 The real-time clock/CMOS has failed.
4-4-1 A error has occurred in the serial port circuitry.
4-4-2 A error has occurred in the parallel port circuitry.
4-4-3 The math co-processor has failed.
1-1-1-3 Verify Real Mode
1-1-2-1 Get CPU type
1-1-2-3 Initialize system hardware
1-1-3-1 Initialize chipset registers with initial POST values
1-1-3-2 Set in POST flag
1-1-3-3 Initialize CPU registers
1-1-4-1 Initialize cache to initial POST values
1-1-4-3 Initialize I/O
1-2-1-1 Initialize Power Management
1-2-1-2 Load alternate registers with initial POST values
1-2-1-3 Jump to UserPatch0
1-2-2-1 Initialize keyboard controller
1-2-2-3 BIOS ROM checksum
1-2-3-1 8254 timer initialization
1-2-3-3 8237 DMA controller initialization
1-2-4-1 Reset Programmable Interrupt Controller
1-3-1-1 Test DRAM refresh
1-3-1-3 Test 8742 Keyboard Controller
1-3-2-1 Set ES segment to register to 4 GB
1-3-3-1 28 Autosize DRAM
1-3-3-3 Clear 512-K base RAM
1-3-4-1 Test 512-K base address lines
1-3-4-3 Test 512-K base memory
1-4-1-3 Test CPU bus-clock frequency
1-4-2-4 Reinitialize the chipset
1-4-3-1 Shadow system BIOS ROM
1-4-3-2 Reinitialize the cache
1-4-3-3 Autosize cache
1-4-4-1 Configure advanced chipset registers
1-4-4-2 Load alternate registers with CMOS values
2-1-1-1 Set Initial CPU speed
2-1-1-3 Initialize interrupt vectors
2-1-2-1 Initialize BIOS interrupts
2-1-2-3 Check ROM copyright notice
2-1-2-4 Initialize manager for PCI Options ROMs
2-1-3-1 Check video configuration against CMOS
2-1-3-2 Initialize PCI bus and devices
2-1-3-3 Initialize all video adapters in system
2-1-4-1 Shadow video BIOS ROM
2-1-4-3 Display copyright notice
2-2-1-1 Display CPU type and speed
2-2-1-3 Test keyboard
2-2-2-1 Set key click if enabled
2-2-2-3 56 Enable keyboard
2-2-3-1 Test for unexpected interrupts
2-2-3-3 Display prompt Press F2 to enter SETUP
2-2-4-1 Test RAM between 512 and 640k
2-3-1-1 Test expanded memory
2-3-1-3 Test extended memory address lines
2-3-2-1 Jump to UserPatch1
2-3-2-3 Configure advanced cache registers
2-3-3-1 Enable external and CPU caches
2-3-3-3 Display external cache size
2-3-4-1 Display shadow message
2-3-4-3 Display nondisposable segments
2-4-1-1 Display error messages
2-4-1-3 Check for configuration errors
2-4-2-1 Test real-time clock
2-4-2-3 Check for keyboard error
2-4-4-1 Set up hardware interrupts vectors
2-4-4-3 Test coprocessor if present
3-1-1-1 Disable onboard I/O ports
3-1-1-3 Detect and install external RS232 ports
3-1-2-1 Detect and install external parallel ports
3-1-2-3 Reinitialize onboard I/O ports
3-1-3-1 Initialize BIOS Data Area
3-1-3-3 Initialize Extended BIOS Data Area
3-1-4-1 Initialize floppy controller
3-2-1-1 Initialize hard disk controller
3-2-1-2 Initialize local-bus hard disk controller
3-2-1-3 Jump to UserPatch2
3-2-2-1 Disable A20 address line
3-2-2-3 Clear huge ES segment register
3-2-3-1 Search for option ROMs
3-2-3-3 Shadow option ROMs
3-2-4-1 Set up Power Management
3-2-4-3 Enable hardware interrupts
3-3-1-1 Set time of day
3-3-1-3 Check key lock
3-3-3-1 Erase F2 prompt
3-3-3-3 Scan for F2 key stroke
3-3-4-1 Enter SETUP
3-3-4-3 Clear in-POST flag
3-4-1-1 Check for errors
3-4-1-3 POST done; prepare to boot operating system
3-4-2-1 One beep
3-4-2-3 Check password (optional)
3-4-3-1 Clear global descriptor table
3-4-4-1 Clear parity checkers
3-4-4-3 Clear screen (optional)
3-4-4-4 Check virus and backup reminders
4-1-1-1 Try to boot with INT 19
4-2-1-1 Interrupt handler error
4-2-1-3 Unknown interrupt error
4-2-2-1 Pending interrupt error
4-2-2-3 Initialize option ROM error
4-2-3-1 Shutdown error
4-2-3-3 Extended Block Move
4-2-4-1 Shutdown 10 error
4-3-1-3 Initialize the chipset
4-3-1-4 Initialize refresh counter
4-3-2-1 Check for Forced Flash
4-3-2-2 Check hardware status of ROM
4-3-2-3 BIOS ROM is OK.
4-3-2-4 Do a complete RAM test
4-3-3-1 Do OEM initialization
4-3-3-2 Initialize interrupt controller
4-3-3-3 Read in bootstrap code
4-3-3-4 Initialize all vectors
4-3-4-1 Boot the Flash program
4-3-4-2 Initialize the boot device
4-3-4-3 Boot code was read OK.
Sound Meaning
1 short beep DRAM refresh failure
2 short beeps Parity circuit failure
3 short beeps Base 64k RAM failure
4 short beeps System timer failure
5 short beeps Process failure
6 short beeps Keyboard controller gate A20 error
7 short beeps Video mode exception error
8 short beeps Display memory read/write test failure
9 short beeps ROM BIOS checksum failure
10 short beeps CMOS shutdown read/write error
11 short beeps Cache memory error
1 long, 3 short beeps Memory failure
1 long, 8 short beeps Display test failed
Award BIOS Beep Codes
1 long, 2 short Video error
Any other Memory problem
Phoenix BIOS Beep Codes
1-1-2 The CPU is faulty.
Low 1-1-2 The motherboard is having an undetermined fault.
1-1-3 The real-time clock/CMOS is faulty.
Low 1-1-3 The extended portion of the CMOS RAM has failed.
1-1-4 The BIOS ROM has failed.
1-2-1 The programmable interrupt timer has failed.
1-2-2 The DMA controller has failed.
1-2-3 The DMA controller has failed.
1-3-1 The RAM refresh controller has failed.
1-3-2 The test of the first 64-KB RAM has failed to start.
1-3-3 The first RAM IC has failed.
1-3-4 The first RAM control logic has failed.
1-4-1 The address line to the first 64-KB RAM has failed.
1-4-2 The first RAM IC has failed.
1-4-3 Replace the motherboard.
1-4-4 Replace the motherboard.
2-1-1 Bit 0; This data bit on the first RAM IC has failed.
2-1-2 Bit 1; This data bit on the first RAM IC has failed.
2-1-3 Bit 2; This data bit on the first RAM IC has failed.
2-1-4 Bit 3; This data bit on the first RAM IC has failed.
2-2-1 Bit 4; This data bit on the first RAM IC has failed.
2-2-2 Bit 5; This data bit on the first RAM IC has failed.
2-2-3 Bit 6; This data bit on the first RAM IC has failed.
2-2-4 Bit 7; This data bit on the first RAM IC has failed.
2-3-1 Bit 8; This data bit on the first RAM IC has failed.
2-3-2 Bit 9; This data bit on the first RAM IC has failed.
2-3-3 Bit 10; This data bit on the first RAM IC has failed.
2-3-4 Bit 11; This data bit on the first RAM IC has failed.
2-4-1 Bit 12; This data bit on the first RAM IC has failed.
2-4-2 Bit 13; This data bit on the first RAM IC has failed.
2-4-3 Bit 14; This data bit on the first RAM IC has failed.
2-4-4 Bit 15; This data bit on the first RAM IC has failed.
3-1-1 The DMA controller has failed.
3-1-2 The DMA controller had failed.
3-1-3 The interrupt controller IC has failed.
3-1-4 The interrupt controller IC has failed.
3-2-2 The BIOS was unable to load the interrupt vectors into memory.
3-2-3 Reserved
3-2-4 The keyboard controller has failed.
3-3-1 Replace the CMOS battery or CMOS RAM if possible.
3-3-2 The CMOS configuration has failed.
3-3-3 Reserved
3-3-4 There is a problem with the video memory.
3-4-1 There is a problem with the video adapter.
4-2-1 The system’s timer IC has failed.
4-2-2 The CMOS has failed.
4-2-3 The keyboard controller has failed.
4-2-4 This is a CPU problem.
4-3-1 System RAM addressing circuitry is faulty.
4-3-3 The system timer IC has failed.
4-3-4 The real-time clock/CMOS has failed.
4-4-1 A error has occurred in the serial port circuitry.
4-4-2 A error has occurred in the parallel port circuitry.
4-4-3 The math co-processor has failed.
1-1-1-3 Verify Real Mode
1-1-2-1 Get CPU type
1-1-2-3 Initialize system hardware
1-1-3-1 Initialize chipset registers with initial POST values
1-1-3-2 Set in POST flag
1-1-3-3 Initialize CPU registers
1-1-4-1 Initialize cache to initial POST values
1-1-4-3 Initialize I/O
1-2-1-1 Initialize Power Management
1-2-1-2 Load alternate registers with initial POST values
1-2-1-3 Jump to UserPatch0
1-2-2-1 Initialize keyboard controller
1-2-2-3 BIOS ROM checksum
1-2-3-1 8254 timer initialization
1-2-3-3 8237 DMA controller initialization
1-2-4-1 Reset Programmable Interrupt Controller
1-3-1-1 Test DRAM refresh
1-3-1-3 Test 8742 Keyboard Controller
1-3-2-1 Set ES segment to register to 4 GB
1-3-3-1 28 Autosize DRAM
1-3-3-3 Clear 512-K base RAM
1-3-4-1 Test 512-K base address lines
1-3-4-3 Test 512-K base memory
1-4-1-3 Test CPU bus-clock frequency
1-4-2-4 Reinitialize the chipset
1-4-3-1 Shadow system BIOS ROM
1-4-3-2 Reinitialize the cache
1-4-3-3 Autosize cache
1-4-4-1 Configure advanced chipset registers
1-4-4-2 Load alternate registers with CMOS values
2-1-1-1 Set Initial CPU speed
2-1-1-3 Initialize interrupt vectors
2-1-2-1 Initialize BIOS interrupts
2-1-2-3 Check ROM copyright notice
2-1-2-4 Initialize manager for PCI Options ROMs
2-1-3-1 Check video configuration against CMOS
2-1-3-2 Initialize PCI bus and devices
2-1-3-3 Initialize all video adapters in system
2-1-4-1 Shadow video BIOS ROM
2-1-4-3 Display copyright notice
2-2-1-1 Display CPU type and speed
2-2-1-3 Test keyboard
2-2-2-1 Set key click if enabled
2-2-2-3 56 Enable keyboard
2-2-3-1 Test for unexpected interrupts
2-2-3-3 Display prompt Press F2 to enter SETUP
2-2-4-1 Test RAM between 512 and 640k
2-3-1-1 Test expanded memory
2-3-1-3 Test extended memory address lines
2-3-2-1 Jump to UserPatch1
2-3-2-3 Configure advanced cache registers
2-3-3-1 Enable external and CPU caches
2-3-3-3 Display external cache size
2-3-4-1 Display shadow message
2-3-4-3 Display nondisposable segments
2-4-1-1 Display error messages
2-4-1-3 Check for configuration errors
2-4-2-1 Test real-time clock
2-4-2-3 Check for keyboard error
2-4-4-1 Set up hardware interrupts vectors
2-4-4-3 Test coprocessor if present
3-1-1-1 Disable onboard I/O ports
3-1-1-3 Detect and install external RS232 ports
3-1-2-1 Detect and install external parallel ports
3-1-2-3 Reinitialize onboard I/O ports
3-1-3-1 Initialize BIOS Data Area
3-1-3-3 Initialize Extended BIOS Data Area
3-1-4-1 Initialize floppy controller
3-2-1-1 Initialize hard disk controller
3-2-1-2 Initialize local-bus hard disk controller
3-2-1-3 Jump to UserPatch2
3-2-2-1 Disable A20 address line
3-2-2-3 Clear huge ES segment register
3-2-3-1 Search for option ROMs
3-2-3-3 Shadow option ROMs
3-2-4-1 Set up Power Management
3-2-4-3 Enable hardware interrupts
3-3-1-1 Set time of day
3-3-1-3 Check key lock
3-3-3-1 Erase F2 prompt
3-3-3-3 Scan for F2 key stroke
3-3-4-1 Enter SETUP
3-3-4-3 Clear in-POST flag
3-4-1-1 Check for errors
3-4-1-3 POST done; prepare to boot operating system
3-4-2-1 One beep
3-4-2-3 Check password (optional)
3-4-3-1 Clear global descriptor table
3-4-4-1 Clear parity checkers
3-4-4-3 Clear screen (optional)
3-4-4-4 Check virus and backup reminders
4-1-1-1 Try to boot with INT 19
4-2-1-1 Interrupt handler error
4-2-1-3 Unknown interrupt error
4-2-2-1 Pending interrupt error
4-2-2-3 Initialize option ROM error
4-2-3-1 Shutdown error
4-2-3-3 Extended Block Move
4-2-4-1 Shutdown 10 error
4-3-1-3 Initialize the chipset
4-3-1-4 Initialize refresh counter
4-3-2-1 Check for Forced Flash
4-3-2-2 Check hardware status of ROM
4-3-2-3 BIOS ROM is OK.
4-3-2-4 Do a complete RAM test
4-3-3-1 Do OEM initialization
4-3-3-2 Initialize interrupt controller
4-3-3-3 Read in bootstrap code
4-3-3-4 Initialize all vectors
4-3-4-1 Boot the Flash program
4-3-4-2 Initialize the boot device
4-3-4-3 Boot code was read OK.
