Bios long beep

Bios long beep DEFAULT

Thread: one long beep (bios codes)

I saved a txt file to my comper concerning Beep codes. I'll copy and paste it below. It's mainly for older computers but It maybe of help to you?.......

What is a BIOS Beep Code?
When you power on a computer the BIOS immediately takes control of the computer and performs the P.O.S.T (Power On Self Test). At the end of the POST the computer will play an audible 'BEEP' through either the PC's internal speaker of through speakers attached to the sound card (if you have a built-in sound chip). If the POST completed successfully without detecting any problems with then system will play a single short beep to let you know the test is complete and the computer will continue to startup and load the operating system.

If during the POST the BIOS detects a problem it will normally display a visual error message on the monitor explaining what the problem is. However, if a problem is detected before the BIOS initializes the video card, or a video card is not present or not detected then the BIOS will play several 'BEEPS' through the speaker to let you know there is a problem. Depending on the type of the BIOS you have the BIOS may play beeps in a specific pattern to indicate what the problem is, or play the same beep a number of times indicating the problem. It is very important that you pay close attention to the number and/or pattern of the beeps your computer plays on startup.

Below is a table of the most common AMI, Phoenix and Award BIOS beep codes.

AMI (American Megatrends International) BIOS Beep Codes.
AMI BIOS uses beeps of the same length and pitch. The error is displayed as a number of beeps. For example, 4 beeps indicated a timer failure.
BEEP CODE MEANING POSSIBLE CAUSE
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

Award BIOS Beep Codes
Award BIOS uses beeps of varying duration. A long beep will typically last for 2 seconds while a short beep will last only 1 second. Award BIOS also uses beeps of different frequency to indicate critical errors. If an Award BIOS detects that the CPU is overheating it may play a high pitched repeating beep while the computer is running.
BEEP CODE MEANING POSSIBLE CAUSE
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

Phoenix BIOS Beep Codes
Phoenix BIOS uses beep code patterns to indicate problems. In the table below the '-' indicates a brief pause between beeps.

Example: 1 - 1 - 2 would sound like BEEP <pause> BEEP <pause> BEEP BEEP
BEEP CODE MEANING POSSIBLE CAUSE
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

Sours: https://pressf1.pcworld.co.nz/

SIRIS, ALTO, and NAS: Explaining the Boot Process, Beep Codes, and BIOS

Topic

The article explains the boot process for a Datto appliance, its associated beep codes, and the BIOS settings.

See also the article on a device's LEDs and blinking/color patterns.

Environment

  • Datto SIRIS
  • Datto ALTO
  • Datto NAS

Description

Boot Process

The boot process for every unit starts with the POST or Power On Self Test.

The POST is the process by which a motherboard will check all of its components and hardware. This includes:

  • Processor model and speed
  • RAM quantity and speed
  • Hard drive detection
  • USB initialization
  • IPMI initialization (if applicable)
  • Hardware RAID cards / LSI BIOS
  • Intel NIC BIOS

Example POST Screen

Beep Codes

One of the most important events during the POST process is the POST beep.

If a motherboard is malfunctioning and is unable to POST, it will beep certain codes which can help you identify the failure.

Some beep codes are standard, although every board is different and therefore the beeps can change between different BIOS manufacturers.

The following are basic beep codes for the ASUS M4A88T-M motherboard:

  • 1 short beep usually signifies that everything is OK
  • 1 long beep followed by 2 short beeps is a memory issue. Reseat the RAM and reboot.
  • 1 long beep followed by 3 short beeps is a graphics-related error. Reseat the RAM and reboot. If you get the same beep code, this could be a possible bad motherboard or processor.
  • 5 short beeps is a CPU issue.

BIOS Settings

The BIOS settings are critical to the operation of the Datto. The most important settings are:

  • Date and Time (Incorrect settings can cause unwarranted FSCK scans)
  • Hard Drives MUST be set to AHCI or Advanced Host Controller Interface (As opposed to IDE or RAID)
  • Boot order must be configured so that the OS drive is at the top of the list. If you are experiencing a blinking cursor, it is likely due to the device trying to boot from an array drive. Contact Datto Tech Support for assistance. All other bootable media should be disabled if possible
  • Virtualization must be enabled. (AKA [Secure Virtual Machine Mode], [Vt-d], [Virtualization])
  • Fans are set to FULL speed. If fan noise becomes an issue for you or your client, see the article Changing The Fan Speed On A Device.
  • On some server boards, the RAM speed must be manually set to 1333Mhz (a non-issue for new devices)
  • UMA Shared memory is limited to 64mb, to allow for maximum simultaneous virtualizations
  • Unit is set to not halt if it detects errors (such as no keyboard or monitor connected)
  • The device is set to turn on after AC power loss

Navigating the BIOS

The BIOS is slightly different across all devices but many settings are organized in the same way.

  • The Basic tab or Front page usually has options for:
  • The Advanced tab usually has the options for:
    • ATA devices [AHCI Mode]
    • Virtualization [Secure Virtual machine Mode]
  • The Integrated peripherals menu usually has options for:
    • Disabling Floppy
    • Limiting UMA Share memory to 64mb
    • Enabling LAN PXE boot (if necessary)
  • Boot order and hard disk drives often has its own tab
  • The Security tab has the option for setting the BIOS password

To save and exit quickly, press F10.

Sours: https://help.datto.com/s/article/KB208538356
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  4. Red desk for sale

Computer POST and beep codes

Beep CodeDescription and what to check1-1-1-1Unconfirmed beep code. Reseat RAM chips or replace RAM chips as possible solution.1-1-1-3Verify real mode.1-1-2-1Get CPU type.1-1-2-3Initialize system hardware.1-1-3-1Initialize chipset registers with initial POST values.1-1-3-2Set in POST flag.1-1-3-3Initialize CPU registers.1-1-4-1Initialize cache to initial POST values.1-1-4-3Initialize I/O.1-2-1-1Initialize power management.1-2-1-2Load alternate registers with initial POST values.1-2-1-3Jump to UserPatch0.1-2-2-1Initialize keyboard controller.1-2-2-3BIOS ROM checksum.1-2-3-18254 timer initialization.1-2-3-38237 DMA controller initialization.1-2-4-1Reset programmable interrupt controller.1-3-1-1Test DRAM refresh.1-3-1-3Test 8742 keyboard controller.1-3-2-1Set ES segment to register to 4 GB.1-3-3-1Autosize DRAM.1-3-3-3Clear 512 K base RAM.1-3-4-1Test 512 base address lines.1-3-4-3Test 512 K base memory1-4-1-3Test CPU bus clock frequency.1-4-2-4Reinitialize the chipset.1-4-3-1Shadow system BIOS ROM.1-4-3-2Reinitialize the cache.1-4-3-3Autosize cache.1-4-4-1Configure advanced chipset registers.1-4-4-2Load alternate registers with CMOS values.2-1-1-1Set initial CPU speed.2-1-1-3Initialize interrupt vectors.2-1-2-1Initialize BIOS interrupts.2-1-2-3Check ROM Copyright notice.2-1-2-4Initialize manager for PCI options ROMs.2-1-3-1Check video configuration against CMOS.2-1-3-2Initialize PCI bus and devices.2-1-3-3Initialize all video adapters in system.2-1-4-1Shadow video BIOS ROM.2-1-4-3Display Copyright notice.2-2-1-1Display CPU type and speed.2-2-1-3Test keyboard.2-2-2-1Set key click if enabled.2-2-2-3Enable keyboard.2-2-3-1Test for unexpected interrupts.2-2-3-3Display prompt Press F2 to enter SETUP.2-2-4-1Test RAM between 512 and 640 k.2-3-1-1Test expanded memory.2-3-1-3Test extended memory address lines.2-3-2-1Jump to UserPatch1.2-3-2-3Configure advanced cache registers.2-3-3-1Enable external and CPU caches.2-3-3-3Display external cache size.2-3-4-1Display shadow message.2-3-4-3Display non-disposable segments.2-4-1-1Display error messages.2-4-1-3Check for configuration errors.2-4-2-1Test real-time clock.2-4-2-3Check for keyboard errors.2-4-4-1Set up hardware interrupts vectors.2-4-4-3Test coprocessor if present.3-1-1-1Disable onboard I/O ports.3-1-1-3Detect and install external RS232 ports.3-1-2-1Detect and install external parallel ports.3-1-2-3Re-initialize onboard I/O ports.3-1-3-1Initialize BIOS data area.3-1-3-3Initialize extended BIOS data area.3-1-4-1Initialize floppy controller.3-2-1-1Initialize hard disk controller.3-2-1-2Initialize local bus hard disk controller.3-2-1-3Jump to UserPatch2.3-2-2-1Disable A20 address line.3-2-2-3Clear huge ES segment register.3-2-3-1Search for option ROMs.3-2-3-3Shadow option ROMs.3-2-4-1Set up Power Management.3-2-4-3Enable hardware interrupts.3-3-1-1Set time of day.3-3-1-3Check key lock.3-3-3-1Erase F2 prompt.3-3-3-3Scan for F2 key stroke.3-3-4-1Enter CMOS setup.3-3-4-3Clear in POST flag.3-4-1-1Check for errors3-4-1-3POST done, prepare to boot operating system.3-4-2-1One beep.3-4-2-3Check password (optional).3-4-3-1Clear global descriptor table.3-4-4-1Clear parity checkers.3-4-4-3Clear screen (optional).3-4-4-4Check virus and backup reminders.4-1-1-1Try to boot with INT 19.4-2-1-1Interrupt handler error.4-2-1-3Unknown interrupt error.4-2-2-1Pending interrupt error.4-2-2-3Initialize option ROM error.4-2-3-1Shutdown error.4-2-3-3Extended block move.4-2-4-1Shutdown 10 error.4-3-1-3Initialize the chipset.4-3-1-4Initialize refresh counter.4-3-2-1Check for forced flash.4-3-2-2Check HW status of ROM.4-3-2-3BIOS ROM is OK.4-3-2-4Do a complete RAM test.4-3-3-1Do OEM initialization.4-3-3-2Initialize interrupt controller.4-3-3-3Read in bootstrap code.4-3-3-4Initialize all vectors.4-3-4-1Boot the flash program.4-3-4-2Initialize the boot device.4-3-4-3Boot code was read OK.Two-tone sirenLow CPU fan speed, voltage level issue.
Sours: https://www.computerhope.com/beep.htm
Threadripper Asus Zenith Extreme Memory Boot Issue 3 Beeps, Beep Codes

What Does the Long Continuous Beep Sound Mean on My Computer?

The type of beep your computer makes when starting up is meant to explain your computer's status. One long, continuous beep generally means that there is a hardware problem – often memory related – that can prevent your computer from starting up at all.

If you can't start your computer properly, you'll need to take a look at the physical hardware inside your machine. In a best-case scenario, the computer can reset and return to normal functions. In a worst-case scenario, your computer is experiencing a major hardware malfunction that will require repair or replacement.

Try a Reboot First

Before tearing the computer apart to inspect the hardware, try a simple reboot. If you can access the menu and run a normal restart, go ahead and execute the process. If the computer is no functional while making the noise, press and hold the power button until it shuts down.

After forcing a shutdown, remove your power cord and the battery, and then wait for a full two minutes. Return the power and test the computer. If the noise persists, you have a potentially serious problem to address.

If the computer is beeping on startup, without any hesitation, the issue is most likely a hardware and memory problem.

Check the Battery

As a last ditch effort, always check the battery level or make sure that your computer is securely connected to a power source. Press all the plugs to snug everything up if needed. A loose power connection can drain the battery and many computer making beeping noises are only a warning that power is lost and a shutdown is looming.

If the power is solid and the battery is charged up, move on to more intensive troubleshooting processes. With any luck, the problem is resolved by snugging up your power cord.

Bad Memory Sticks

Although a long beep can mean you have hardware issues, this doesn't necessarily mean that your hardware has gone bad. It could simply mean that it is loose or not seated correctly. Remove and replace your computer's memory securely in their slots to try to fix the problem.

If this doesn't work, and your computer has more than one memory stick, try inserting only one stick at a time; it could be that one stick has failed, while the other is fine.

Troubleshooting Your Chip

Your computer's motherboard has a BIOS chip installed for the memory and processing. You must remove the protective panel to actually view the chip and determine the manufacturer. Turn off the power and make sure your computer is shut down before pulling the protective panels to access the motherboard.

Write down the company name and perform a quick search to access the troubleshooting codes. Each company uses different computer beep codes to determine specific problems. Look for the continuous beep in the BIOS chip manufacturer troubleshooting guide to determine the issue. Typically, the beeps happen in a coded sequence. When you hear a continuous beep, it is possible that there exists an overheating CPU or another major issue.

After determining the problem, you can attempt to fix the computer yourself or you can take it to a professional repair service.

References

Writer Bio

Zach Lazzari is a freelance writer with extensive experience in startups and digital advertising. He has a diverse background with a strong presence in the digital marketing world. Zach has developed and sold multiple successful web properties and manages marketing for multiple clients in the outdoor industry. He has published business content in Angling Trade Magazine and writes white papers and case studies for multiple corporate partners.

Sours: https://smallbusiness.chron.com/long-continuous-beep-sound-mean-computer-79252.html

Long beep bios

Troubleshooting BIOS Beep Codes

AMI BIOS

The AMI BIOS is one of the most popular in the PC world today, and fortunately is quite consistent in its use of beep codes, across its many different versions. Please select the beep pattern you are hearing from the list in the index frame.

1 Beep: DRAM refresh failure

Explanation: The system is having a problem accessing the system memory to refresh it. Refreshing is done on all system memory to keep its contents active.

Diagnosis: This code usually means a problem either with the system memory or with the motherboard itself.

Recommendation:

Troubleshoot the motherboard.
Treat as an apparent memory failure.

 

2 Beeps: Parity circuit failure

Explanation: The parity circuit is responsible for generating and checking the parity bit on the system memory when parity checking is used. This circuitry is not working properly.

Diagnosis: This code usually means a problem with either the system memory or the motherboard.

Recommendation:

Treat as an apparent memory failure.
Troubleshoot the motherboard.

 

3 Beeps: Base 64K RAM failure

Explanation: There is a failure of some sort within the first 64 KB of system memory.

Diagnosis: The first bank of memory probably has a bad memory chip in it somewhere. It is possible that there is a failure related to the motherboard or a system device as well.

Recommendation:

Treat as an apparent memory failure.
Troubleshoot the motherboard.

 

4 Beeps: System timer failure

Explanation: There is a problem with one or more of the timers used by the system to control functions on the motherboard.

Diagnosis: This is usually a motherboard failure.

Recommendation: Troubleshoot the motherboard.

 

5 Beeps: Processor failure

Explanation: The system processor is generating an error condition indicating a problem with it.

Diagnosis: There is a problem related to the processor or motherboard. Note that this doesn't mean that the processor is necessarily dead; with a dead processor the system won't boot at all (it runs the BIOS code that is used to start up the PC.)

Recommendation:

Troubleshoot the processor.
If the processor is not at fault, troubleshoot the motherboard.

 

6 Beeps: Keyboard controller / gate A20 failure

Explanation: The keyboard controller is a chip on the motherboard that communicates with your keyboard. It also controls the A20 gate that provides access to the high memory area (HMA). This component is indicating a failure.

Diagnosis: This is usually a problem with either the keyboard or the motherboard.

Recommendation:

Troubleshooting the keyboard is relatively easy; try that first.
Troubleshoot the keyboard controller.
Troubleshoot as a motherboard failure.

 

7 Beeps: Virtual mode exception error

Explanation: Virtual mode is one of the different modes that the processor can run in. The system is reporting an error when testing this mode.

Diagnosis: There is a problem related to the processor or motherboard. Note that this doesn't mean that the processor is necessarily dead, since the system won't boot at all with a dead processor.

Recommendation:

Troubleshoot the processor.
Troubleshoot the motherboard.

8 Beeps: Display memory read/write failure

Explanation: The BIOS is unable to write to the frame buffer memory on the video card.

Diagnosis: This is usually caused by a problem with the video card, or the memory on the video card. It can also be a motherboard issue.

Note: Unlike the other AMI beep codes, this one is "non-fatal". The system may continue to boot despite this error.


Recommendation:

Troubleshoot the video card.
Troubleshoot the motherboard.

9 Beeps: ROM BIOS checksum failure

Explanation: The read-only memory (ROM) containing the BIOS program (which is what is running when you turn on the PC and what generates this error) uses a checksum value as a double-check that the ROM code is correct. This checksum is compared against the values in the ROM each time the PC is booted and if there is a mismatch, this code is generated.

Note: This error is not the same as a CMOS Checksum Error, which refers to corrupted values of the CMOS settings, the ones you set through the BIOS setup program. This error means the contents of the BIOS code itself are damaged.


Diagnosis: The BIOS ROM chip on the motherboard is probably faulty. It could also be another component on the motherboard.

Recommendation: Troubleshoot the motherboard. It is possible to replace just the BIOS ROM chip but often replacing the motherboard will make more sense for cost and simplicity reasons.

10 Beeps: CMOS shutdown register read/write error

Explanation: A component of the motherboard is producing an error interacting with the CMOS memory that holds the BIOS settings.

Diagnosis: There is likely a problem with the motherboard.

Recommendation: Troubleshoot the motherboard.

Explanation: A component of the motherboard is producing an error interacting with the CMOS memory that holds the BIOS settings.

Diagnosis: There is likely a problem with the motherboard.

Recommendation: Troubleshoot the motherboard.

11 Beeps: Cache memory error

Explanation: The system has attempted to verify the operation of the secondary (level 2) cache and has encountered an error.

Diagnosis: This usually means a problem with the system cache. It may also be a more general problem with the motherboard.

Recommendation:

Troubleshoot the secondary cache.
Troubleshoot the motherboard.

Continuous Beeping: Memory or video problem

Explanation: The system is producing constant beeping in no specific pattern, or a fast "ringing" sound.

Diagnosis: This is usually caused by a problem with the system memory, or possibly the video card. The memory is more likely--the system complains long and loud if it can't find any usable memory, as there is no way to even start the boot process when this is the case. The motherboard itself could also be the problem.

Recommendation:

Troubleshoot the system memory.
Troubleshoot the video card.
Troubleshoot the motherboard.

Award BIOS

Award is the other major BIOS provider today, along with AMI. Award uses by far the fewest beep codes of any of the BIOS manufacturers. In fact, they have only one beep code that I can find any reliable documentation on, and two others that I have had a couple of people report. (They prefer to use written error messages on screen, and only beep if they cannot access the video subsystem.) If there are others please let me know and I will add information on them.

 

1 Long Beep: Memory problem

Explanation: There is a failure of some sort related to the system memory.

Diagnosis: The first bank of memory probably has a failure of some sort; this is usually just a physical problem such as an incorrectly inserted module, but may also mean a bad memory chip in a module. It is possible that there is a failure related to the motherboard or a system device as well.

Recommendation:

Treat as an apparent memory failure.
Troubleshoot the motherboard.

1 Long, then 2 Short Beeps: Video error

Explanation: The BIOS is unable to access the video system in order to write any error messages to the screen.

Diagnosis: This is usually caused by a problem with the video card, or the memory on the video card. It can also be a motherboard issue.

Recommendation:

Troubleshoot the video card.
If the video card is not at fault, troubleshoot the motherboard.

1 Long, then 3 Short Beeps: Video error

Explanation: The BIOS is unable to access the video system in order to write any error messages to the screen.

Diagnosis: This is usually caused by a problem with the video card, or the memory on the video card. It can also be a motherboard issue.

Recommendation:

Troubleshoot the video card.
If the video card is not at fault, troubleshoot the motherboard.

Continuous Beeping: Memory or video problem

Explanation: The system is producing constant beeping in no specific pattern, or a fast "ringing" sound.

Diagnosis: This is usually caused by a problem with the system memory, or possibly the video card. The memory is more likely--the system complains long and loud if it can't find any usable memory, as there is no way to even start the boot process when this is the case. The motherboard itself could also be the problem.

Recommendation:

Troubleshoot the system memory.
Troubleshoot the video card.
Troubleshoot the motherboard.

 

Sours: https://brebru.com/beepcodes.html
Gigabyte beep curto contínuos continuous short beep

If your computer beeps and fails to boot

On startup, computers perform a Power-on Self Test, commonly referred to as a POST. If problems are found while booting, you can usually diagnose them using the error codes displayed on the screen. However, if nothing displays on the screen, the computer might use sounds (that is, beep codes) to tell you what is wrong. Many of these errors indicate hardware problems that a service technician should fix. However, some errors are easily fixed. For example, keyboard controller errors often mean that your keyboard isn't plugged in.

Following are beep codes for some common brands of BIOS for PCs. For information about Mac beep codes or startup tones, see Apple Support's About Mac computer startup tones.

Note:

Many BIOSes will have different beep codes even if they appear to be from the same manufacturer. This is because motherboard manufacturers reprogram codes to reflect their own customizations. You can often go to the website for the motherboard's manufacturer to find the updated codes, but you may find cases where the manufacturer simply does not document the changes.

For more about beeps and error codes, see ComputerHope.com's Computer POST and beep codes.


Award

Award BIOSes typically use more screen errors than beep codes.

For Award BIOSes manufactured by Phoenix Technologies, note the following from the Phoenix Technologies AwardBIOS Error Messages page:

"The only AwardBIOS beep code indicates that a video error has occurred and the BIOS cannot initialize the video screen to display any additional information. This beep code consists of a single long beep followed by two short beeps. Any other beeps are probably RAM (Random Access Memory) problems."

Award BIOSes not manufactured under Phoenix Technologies use the following beeps; this information is from the BIOS Central Award BIOS Beep Codes page:

Beeps Meaning
1 long, 2 short

Video adapter error: Bad or improperly seated video card

Repeating beeps

Memory error: Bad or improperly seated RAM

1 long, 3 short

Bad video RAM or video card not present

High-frequency beeps Overheated CPU: Check fans
Repeating high/low beeps

CPU: Improperly seated or defective CPU

AMI (American Megatrends)

The information below is from the BIOS Central AMI BIOS Beep Codes page.

Beeps Meaning
1 short DRAM refresh failure
2 short

Parity circuit failure in the first 64 KB of RAM: Likely a bad RAM IC, or possibly one of the hardware tests has failed

3 short

Memory failure in the first 64 KB of RAM: Likely a bad RAM IC

4 short

System timer failure: Bad clock IC or bad RAM in the first bank of memory

5 short

Processor failure: The CPU has failed.

6 short

Keyboard controller Gate A20 error: The keyboard controller has failed. Due to its integration into the system board, you usually must replace the motherboard.

7 short

Virtual mode exception error: CPU has generated an exception error; bad CPU or motherboard

8 short

Display memory Read/Write test failure: Bad video card

9 short

ROM BIOS checksum failure: BIOS is defective

10 short

CMOS shutdown Read/Write error

11 short

Cache Memory error: Specifically, the L2 cache is bad.

1 long, 2 short

Video system failure: Error in video card BIOS, or a horizontal retrace has failed

1 long, 3 short

Conventional/Extended memory failure: RAM is bad

1 long, 8 short

Display/Retrace test failed: Video adapter is defective or missing

AST BIOS

The following information is from the BIOS Central AST BIOS Beep Codes page.

Beeps Meaning
1 short

CPU register test failure: The CPU has failed.

2 short

Keyboard controller buffer failure: The keyboard controller has failed.

3 short

Keyboard controller reset failure: The keyboard controller has failed or the motherboard circuitry is faulty.

4 short

Keyboard communication failure: Bad keyboard controller or keyboard

5 short

Keyboard input failure: The keyboard controller IC has failed.

6 short

System board chipset failure: The chipset on the motherboard has failed. Replace the motherboard.

9 short

BIOS ROM checksum error: The BIOS ROM has failed. If possible, replace the BIOS on the motherboard.

10 short

System timer test failure: The system clock IC has failed.

11 short

ASIC failure: Motherboard circuitry has failed. Replace the motherboard.

12 short

CMOS RAM shutdown register failure: The real-time clock/CMOS IC failed. Replace the CMOS or motherboard.

1 long

DMA controller 0 failure: The DMA controller IC for channel 0 has failed. If possible, replace the IC.

1 long, 1 short

DMA controller 1 failure: The DMA controller IC for channel 1 has failed. If possible, replace the IC.

1 long, 2 short

Video vertical retrace failure: The video adapter has probably failed. Replace the video adapter.

1 long, 3 short

Video memory test failure: The video adapter's memory has failed. Replace the video adapter.

1 long, 4 short

Video adapter failure: The video adapter has failed. Replace the video adapter.

1 long, 5 short

64 KB memory failure: A failure has occurred in the base 64 KB of memory. If possible, replace the RAM IC.

1 long, 6 short

Unable to load interrupt vectors: The BIOS was unable to load the interrupt vectors into memory.

1 long, 7 short

Unable to initialize video: This is a video problem. Replace the video adapter first. If the problem persists, replace the motherboard.

1 long, 8 short

Video memory failure: There is a failure in the video memory. Replace the video adapter first. If the problem persists, replace the motherboard.

Compaq

The following information is from the BIOS Central Compaq BIOS Beep Codes page.

Beeps Meaning
1 short

No error: The system is booting properly.

1 long, 1 short

BIOS ROM checksum error: The contents of the BIOS ROM do not match the expected contents. If possible, reload the BIOS from the PAQ.

2 short

General error: No specifics available on what this code means

1 long, 2 short

Video error: Check the video adapter and make sure it's seated properly. If possible, replace the video adapter.

7 beeps (1 long, 1 short, 1 long, 1 short, pause, 1 long, 1 short, 1 short)

AGP video: The AGP video card is faulty. Reseat the card or replace it outright. This beep pertains to Compaq Deskpro systems.

Continuous beep

Memory error: Bad RAM; replace and test

1 short, 2 long

Bad RAM: Reseat RAM, then retest; replace RAM if failure continues.

Phoenix

The following information applies to Phoenix BIOS Q3.07 or 4.x. This information is from the Phoenix BIOS beep codes section of the ComputerHope.com Computer POST and beep codes page.

Dashes indicate pauses between beeps.

Beeps Meaning
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.

1-3-1-1Test DRAM refresh.
1-3-1-3

Test 8742 Keyboard Controller.

1-3-2-1

Set ES segment to register to 4 GB.

1-3-3-128 Autosize DRAM.
1-3-3-3Clear 512 KB base RAM.
1-3-4-1

Test 512 KB base address lines.

1-3-4-3Test 512 KB base memory.
1-4-1-3Test CPU bus-clock frequency.
1-4-2-4Reinitialize the chipset.
1-4-3-1Shadow system BIOS ROM.
1-4-3-2Reinitialize the cache.
1-4-3-3Autosize cache.
1-4-4-1

Configure advanced chipset registers.

1-4-4-2

Load alternate registers with CMOS values.

2-1-1-1Set Initial CPU speed.
2-1-1-3Initialize interrupt vectors.
2-1-2-1Initialize BIOS interrupts.
2-1-2-3Check 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.

2-1-4-1Shadow video BIOS ROM.
2-1-4-3Display copyright notice.
2-2-1-1Display CPU type and speed.
2-2-1-3Test keyboard.
2-2-2-1Set key click if enabled.
2-2-2-356 Enable keyboard.
2-2-3-1

Test for unexpected interrupts.

2-2-3-3

Display message "Press F2 to enter SETUP".

2-2-4-1

Test RAM between 512 and 640 KB.

2-3-1-1Test expanded memory.
2-3-1-3

Test extended memory address lines.

2-3-2-1Jump to UserPatch1.
2-3-2-3

Configure advanced cache registers.

2-3-3-1

Enable external and CPU caches.

2-3-3-3Display external cache size.
2-3-4-1Display shadow message.
2-3-4-3

Display non-disposable segments.

2-4-1-1Display error messages.
2-4-1-3

Check for configuration errors.

2-4-2-1Test real-time clock.
2-4-2-3Check for keyboard errors.
2-4-4-1

Set up hardware interrupts vectors.

2-4-4-3Test coprocessor if present.
3-1-1-1Disable 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

Re-initialize onboard I/O ports.

3-1-3-1Initialize BIOS Data Area.
3-1-3-3

Initialize Extended BIOS Data Area.

3-1-4-1Initialize floppy controller.
3-2-1-1

Initialize hard-disk controller.

3-2-1-2

Initialize local-bus hard-disk controller.

3-2-1-3Jump to UserPatch2.
3-2-2-1Disable A20 address line.
3-2-2-3

Clear huge ES segment register.

3-2-3-1Search for option ROMs.
3-2-3-3Shadow option ROMs.
3-2-4-1Set up Power Management.
3-2-4-3Enable hardware interrupts.
3-3-1-1Set time of day.
3-3-1-3Check key lock.
3-3-3-1Erase "F2" message.
3-3-3-3Scan for keystroke.
3-3-4-1Enter SETUP.
3-3-4-3Clear in-POST flag.
3-4-1-1Check for errors.
3-4-1-3

POST complete; prepare to boot operating system.

3-4-2-1One beep.
3-4-2-3Check password (optional).
3-4-3-1

Clear global descriptor table.

3-4-4-1Clear parity checkers.
3-4-4-3Clear screen (optional).
3-4-4-4

Check virus and backup reminders.

4-1-1-1Try to boot with INT 19.
4-2-1-1Interrupt handler error.
4-2-1-3Unknown interrupt error.
4-2-2-1Pending interrupt error.
4-2-2-3Initialize option ROM error.
4-2-3-1Shutdown error.
4-2-3-3Extended Block Move.
4-2-4-1Shutdown 10 error.
4-3-1-3Initialize the chipset.
4-3-1-4Initialize refresh counter.
4-3-2-1Check for Forced Flash.
4-3-2-2Check HW status of ROM.
4-3-2-3BIOS ROM is okay.
4-3-2-4Do a complete RAM test.
4-3-3-1Do OEM initialization.
4-3-3-2

Initialize interrupt controller.

4-3-3-3Read in bootstrap code.
4-3-3-4Initialize all vectors.
4-3-4-1Boot the Flash program.
4-3-4-2Initialize the boot device.
4-3-4-3Boot code was read okay.

IBM Desktop

Beeps Meaning
No beep

No power, loose expansion card (ISA, PCI, or AGP), a short, or an improperly grounded motherboard

1 short System okay
1 long

Video/display problem; video card incorrectly seated or defective

2 short

POST Error displayed on monitor

3 long

Problem with 3270 keyboard card

1 long, 1 short Problem with system board
1 long, 2 short

Problem with display adapter (MDA, CGA)

1 long, 3 short Problem with EGA
Repeating short beeps

Problem with power supply or system board

Continuous beep

Problem with power supply or system board

IBM ThinkPad

Beeps Meaning
Continuous beeping System board failure
1 beep with blank display

LCD connector problem, LCD backlight inverter failure, video adapter failure, or LCD assembly failure

1 beep w/message "Unable to access boot source"

Boot device failure or bad system board

1 long, 2 short

System board, video adapter, or LCD assembly failure

1 long, 4 short Low battery voltage
1 beep every second Low battery voltage
2 short w/message

Read the error message on the display

2 short with blank display System board failure

Mylex

Beeps Meaning
1 Normal boot: No problems
2

Video adapter error: Video adapter is not seated or is faulty

3

Keyboard controller error: Keyboard controller IC bad

4

Keyboard error: Keyboard itself might be bad, or the controller IC on the motherboard

5

PIC 0 error: The programmable interrupt controller IC is bad

6 PIC 1 error: Same as above
7

DMA page register error: DMA controller IC is bad

8 RAM refresh error
9 RAM data error
10 RAM parity error
11

DMA controller 0 error: DMA controller IC for channel 0 has failed

12 CMOS RAM error: Bad CMOS RAM
13

DMA controller 1 error: DMA controller IC for channel 1 has failed

14

CMOS RAM battery error: Dead CMOS battery; can usually be replaced

15

CMOS RAM checksum error: CMOS RAM failed

16

BIOS ROM checksum error: BIOS RAM failed

Quadtel BIOS

The following information is from the BIOS Central Quadtel BIOS Beep Codes page.

1 short

Normal boot: System is booting normally.

2 short

CMOS IC error: The CMOS RAM is faulty. Replace the IC if possible.

1 long, 2 short

Video failure: The video adapter is faulty. Reseat the video adapter or replace the adapter if possible.

1 long, 3 short

Peripheral controller error: One or more of the system peripheral controllers is bad. Replace the controllers and retest.

Sours: https://kb.iu.edu/d/afzy

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1.AWARD BIOS 1short beep :System normal 2 short beep :CMOS Error 1 long beep and 1 short beep:Memory error 1 long beep and 2 short beep:Graphic card error 1 long beep and 3 short beep :AGP error 1 long beep and 9 short beep :Memory Error Continuous long beep :Memory not correctly installed Continuous short beep :Power supply unit failed 2.AMI BIOS 1 short beep :Memory Error 2 short beep:Memory parity check error. 3 short beep :basic memory 64K address check error 4 short beep :Real Time Clock malfunction . 5 short beep :CPU error 6 short beep:Keyboard error 7 short beep :CPU interruption error 8 short beep:Graphic card error 9 short beep :Memory error 10 short beep :CMOS error 11 short beep :CPU cache memory malfunction
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