Skip to main content

BIOS BEEP AND ERROR CODES


BIOS Beep Codes
When a computer is first turned on, or rebooted, its BIOS performs a power-on self test (POST) to test the
system's hardware, checking to make sure that all of the system's hardware components are working
properly. Under normal circumstances, the POST will display an error message; however, if the BIOS
detects an error before it can access the video card, or if there is a problem with the video card, it will
produce a series of beeps, and the pattern of the beeps indicates what kind of problem the BIOS has
detected.
Because there are many brands of BIOS, there are no standard beep codes for every BIOS. The two mostused brands are AMI (American Megatrends International) and Phoenix. Below are listed the beep codes
for AMI systems, and here are the beep codes for Phoenix systems.
AMI Beep Codes
Beep Code Meaning
1 beep DRAM refresh failure. There is a problem in the system memory or the motherboard.
2 beeps Memory parity error. The parity circuit is not working properly.
3 beeps Base 64K RAM failure. There is a problem with the first 64K of system memory.
4 beeps
System timer not operational. There is problem with the timer(s) that control functions
on the motherboard.
5 beeps Processor failure. The system CPU has failed.
6 beeps
Gate A20/keyboard controller failure. The keyboard IC controller has failed, preventing
gate A20 from switching the processor to protect mode.
7 beeps Virtual mode exception error.
8 beeps
Video memory error. The BIOS cannot write to the frame buffer memory on the video
card.
9 beeps ROM checksum error. The BIOS ROM chip on the motherboard is likely faulty.
10 beeps
CMOS checksum error. Something on the motherboard is causing an error when trying
to interact with the CMOS.
11 beeps Bad cache memory. An error in the level 2 cache memory.
1 long beep, 2
short
Failure in the video system.
1 long beep, 3
short
A failure has been detected in memory above 64K.
1 long beep, 8
short
Display test failure.
Continuous
beeping
A problem with the memory or video.Phoenix Beep Codes
Phoenix uses sequences of beeps to indicate problems. The "-" between each number below indicates a
pause between each beep sequence. For example, 1-2-3 indicates one beep, followed by a pause and two
beeps, followed by a pause and three beeps. Phoenix version before 4.x use 3-beep codes, while Phoenix
versions starting with 4.x use 4-beep codes. Click here for AMI BIOS beep codes.
4-Beep Codes
Beep
Code
Meaning
1-1-1-3 Faulty CPU/motherboard. Verify real mode.
1-1-2-1 Faulty CPU/motherboard.
1-1-2-3 Faulty motherboard or one of its components.
1-1-3-1
Faulty motherboard or one of its components. Initialize chipset registers with initial POST
values.
1-1-3-2  Faulty motherboard or one of its components.
1-1-3-3 Faulty motherboard or one of its components. Initialize CPU registers.
1-1-3-2
1-1-3-3
1-1-3-4
Failure in the first 64K of memory.
1-1-4-1 Level 2 cache error.
1-1-4-3 I/O port error.
1-2-1-1 Power management error.
1-2-1-2
1-2-1-3
Faulty motherboard or one of its components.
1-2-2-1 Keyboard controller failure.
1-2-2-3 BIOS ROM error.
1-2-3-1 System timer error.
1-2-3-3 DMA error.
1-2-4-1 IRQ controller error.
1-3-1-1 DRAM refresh error.
1-3-1-3 A20 gate failure.
1-3-2-1 Faulty motherboard or one of its components.
1-3-3-1 Extended memory error.
1-3-3-3
1-3-4-1
Error in first 1MB of system memory.1-3-4-3
1-4-1-3
1-4-2-4
CPU error.
1-4-3-1
2-1-4-1
BIOS ROM shadow error.
1-4-3-2
1-4-3-3
Level 2 cache error.
1-4-4-1
1-4-4-2
2-1-1-1
Faulty motherboard or one of its components.
2-1-1-3
2-1-2-1
IRQ failure.
2-1-2-3 BIOS ROM error.
2-1-2-4
2-1-3-2
I/O port failure.
2-1-3-1
2-1-3-3
Video system failure.
2-1-1-3
2-1-2-1
IRQ failure.
2-1-2-3 BIOS ROM error.
2-1-2-4 I/O port failure.
2-1-4-3
2-2-1-1
Video card failure.
2-2-1-3
2-2-2-1
2-2-2-3
Keyboard controller failure.
2-2-3-1 IRQ error.
2-2-4-1 Error in first 1MB of system memory.
2-3-1-1
2-3-3-3
Extended memory failure.
2-3-2-1  Faulty motherboard or one of its components.
2-3-2-3
2-3-3-1
Level 2 cache error.
2-3-4-1
2-3-4-3
Motherboard or video card failure.
2-3-4-1
2-3-4-3
2-4-1-1
Motherboard or video card failure.2-4-1-3 Faulty motherboard or one of its components.
2-4-2-1 RTC error.
2-4-2-3 Keyboard controller error.
2-4-4-1 IRQ error.
3-1-1-1
3-1-1-3
3-1-2-1
3-1-2-3
I/O port error.
3-1-3-1
3-1-3-3
Faulty motherboard or one of its components.
3-1-4-1
3-2-1-1
3-2-1-2
Floppy drive or hard drive failure.
3-2-1-3 Faulty motherboard or one of its components.
3-2-2-1 Keyboard controller error.
3-2-2-3
3-2-3-1
3-2-4-1
Faulty motherboard or one of its components.
3-2-4-3 IRQ error.
3-3-1-1 RTC error.
3-3-1-3 Key lock error.
3-3-3-3 Faulty motherboard or one of its components.
3-3-3-3
3-3-4-1
3-3-4-3
3-4-1-1
3-4-1-3
3-4-2-1
3-4-2-3
3-4-3-1
3-4-4-1
3-4-4-4
Faulty motherboard or one of its components.
4-1-1-1 Floppy drive or hard drive failure.
4-2-1-1
4-2-1-3
4-2-2-1
IRQ failure.
4-2-2-3
4-2-3-1
4-2-3-3
4-2-4-1
Faulty motherboard or one of its components.4-2-4-3 Keyboard controller error.
4-3-1-3
4-3-1-4
4-3-2-1
4-3-2-2
4-3-3-1
4-3-4-1
4-3-4-3
Faulty motherboard or one of its components.
4-3-3-2
4-3-3-4
IRQ failure.
4-3-3-3
4-3-4-2
Floppy drive or hard drive failure.

Comments

Post a Comment

Popular posts from this blog

10 EASY WAYS TO MAINTAIN YOUR COMPUTER

10 Easy Better Computer Maintenance Tips : 1) Remove Junk Files : Important when talking about computer maintenance. Over the course of time, your computer accumulates unwanted and un-removed junk files that are no longer necessary. These junk files remain unused by the operating system, but occupy much disk space. Read : Keep You PC Clean and Junk File Free with CCleaner 2) Defragment Every Month : When software is installed many files are installed onto your computer in all sorts of places. So, when that software is opened or a particular file is opened the computer has to search all over the hard drive to find all of the necessary parts to open. Defragmenting your hard drive will get all of those pieces and put them in some sort of a logical order increasing the speed at which your computer can work. Defragmenting your hard drive is a very simple process, follow the steps below for XP  Open "My Computer" & Right-clicking the Local Disk (C:) ...
Post a Comment
Read more
How To make your Computersun Faster Is your computer slowing down, whizzing and whirring as it tries to keep up with you? Before you spend hundreds or even thousands on a new computer, you may find it only takes a few simple steps to make your Windows or Mac computer run faster. Steps Before You Begin 1 Back up your computer. Many of us have what feels like our entire lives stored on our computers--photos of cherished memories, the evolution of our musical taste, school work, tax returns and, more and more, everything we need to do our work . Before making any major changes, it is always a good idea to back up essential files.[1] Purchase an external hard drive that is larger than the hard drive you want to back up.[2] Inserting the USB of the external hard drive should automatically prompt your computer to give you the option to use the drive for back up. If you need more help, read the wikiHow article about how to back up a hard drive. If you are worried about losing or ...
Post a Comment
Read more

HOW to re install android O.S on a tablet PC

Re-install Android OS on Tablet PC If your Android tablet get stuck at the Android logo and none of the button is working including the reset pin. Most probably this is the situation where your tablet is getting hanged at the boot level of the tablet. Here all you have to do is to format or re-install the android OS on your tablet. The re-installing process in Android is different as you normally do with windows. We are showing step by step process in the video tutorial using bootable memory card to install the Android OS and the software will work exclusively on this tablet (Zen Tablet). There are more methods to install OS this include, connect your tablet to the computer and by using java SDK method or any other software. The Process of reinstalling the Android is as follows : 1) Memory hard has to be made bootable. For this the PhoenixCard tool is needed. You can get this tool from here.  Pheonix Card . PhoenixCard has a simple user interface as ...
2 comments
Read more