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Install American megatrends inc M31EI Series laptop drivers for Windows 10 x64, or download DriverPack Solution software for automatic drivers intallation and update. American Megatrends BIOS Update Final Thoughts. The American Megatrends BIOS Update process is a little complicated. I hope the information provided on this web page is useful. Good luck with your BIOS update. A very useful link is to the AMI BIOS and UEFI Utilities page (Opens New Window). There is a form at the bottom of the page where you. Download A BIG drivers collection Windows Drivers Device: Any device Bios Cameras Game Devices Input Devices Laptops - Desktops Modems Motherboards Network Adapters Other Printers Projectors Scanners Sound Cards USB Video Adapters. Download; Ads by Google. American Megatrends Inc All Drivers » Scan Computer for American Megatrends Inc Driver Updates. AMI MegaRAID Drivers & Utilities for Series 493/475: Asus LSI Logic MegaRAID: Asus LSI MegaRAID: Dell PERC 2/SC-DC device: DELL PERC RAID Device Package. American Megatrends Updated: by Computer Hope Established by S. Shankar in 1985, AMI (American Megatrends Inc.) has supplied the world with cutting edge products and technology for well over a decade.

This is part 1 of a 2 part series about the American Megatrends BIOS, or AMIBIOS. You are introduced to what the BIOS is, the beep codes if there is a fault, and the BIOS Setup Utility.

Part 2 looks at the AMIBIOS Update process. This is not a straightforward process for the typical home computer user. However, part 2 presents the update BIOS process in easy to follow steps.

There are several pictures in this tutorial to help your understanding of the AMIBIOS. Listed below is a link to each feature that is discussed.


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What Is A BIOS?

American Megatrends BIOS, or AMIBIOS as it is commonly known, is one of the most popular BIOS' in the world.

BIOS stands for Basic Input Output System. It is a small piece of software that sits on a chip inside your computer on its motherboard.

You often hear the BIOS be called: Firmware, System BIOS, CMOS, Flash BIOS, ROM BIOS and RAM BIOS.


Modern computer systems come with a new type of BIOS called the Unified Extensible Firmware Upgrade (UEFI). Clickhere for more details.

The BIOS checks that all the parts inside your computer, e.g. keyboard ports, memory, graphics etc., are in working order before your operating system loads.

The initial check that takes place is called the Power On Self Test (POST). When you first switch your computer on, the POST is taking place when you see this screen (or similar):-


POST: Power On Self Test

If the POST does not detect any problems, your computer, laptop, or tablet makes a short beep noise to let you know your computer passed the POST test.

Your operating system then starts to load using the information provided by the BIOS. The 'Bootstrap Loader Program' does this automatically.

If the POST detects a problem with your hardware, it beeps to let you know. The number of beeps and the subsequent on screen message (unless it is a graphics card issue) tells you what the problem is.

There are 11 common BIOS beep codes. These are given in the table below, with some suggestions as to what they mean.

Beep CodeError MessagePotential Issue
1 BeepDRAM Refresh FailureMemory or Motherboard
2 BeepsMemory Parity ErrorMemory or Motherboard
3 BeepsBase 64k RAM FailureMemory or Motherboard
4 BeepsMotherboard System
Timer Failure
5 BeepsProcessor errorProcessor (CPU)
6 BeepsGate A20 Keyboard
Controller Failure
Keyboard or Motherboard
7 BeepsProcess Except
Interrupt Error
Processor (CPU) or Motherboard
8 BeepsDisplay Memory Read
Write Error
Video (Graphics) Card
9 BeepsROM BIOS Checksum ErrorBIOS Chip or Motherboard
10 BeepsCMOS Shutdown
Read/Write Error
11 BeepsCache Memory
Test Failure


The PC Guide(Opens New Window) has some excellent material on how to troubleshoot AMIBIOS problems.

The information is quite technical. If you are unsure I would advise in this instance to take your machine to a local computer repair shop, or call your computer manufacturers support line.

BIOS Setup

The American Megatrends BIOS Setup Utility provides a lot of details about your computer hardware. You can change some of the settings if you want to, but in most cases you won't need to.

Some details are for information only, which you cannot change.

When you switch on your computer, press the Delete key to enter the BIOS Setup Utility.

There is only a small window of opportunity to do this before your computer starts to load the operating system. Therefore, keep pressing the delete key until the BIOS Setup Utility appears.

On some computers you need to press the F1 or F2 keys to access the BIOS Setup Utility. Check your computer manufacturers website for how to access the BIOS settings.

Your AMIBIOS Version may look different to the image above. However, the menu names (Main, Advanced etc.) and how you move through each option are usually consistent, as shown in the right-hand side of the image (Select Screen etc.).

The options in grey are for information only, and cannot be changed e.g. Processor Speed. The options in blue can be changed.

In the image above, you could change the system time and system date if you wish, for example, if you have an AMIBIOS laptop and you moved to another time zone.

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Today's operating systems take care of changes in time zone. Simply open your Date & Time settings and amend to the timezone you require.


You can also set up BIOS passwords in the security menu so only you and selected members of your family can change the BIOS settings.

American Megatrends BIOS Final Thoughts

If you want to know more about how to update your BIOS to the latest version, take a look at the AMIBIOS Update page.

Most home computer users do not need the change any of the BIOS settings, however setting a password is recommended.

Don't worry if some or all of this page doesn't make too much sense to you. Treat it as information only.


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Since upgrading to Windows 10 my computer won’t shut down properly. If that fails you can check the device manager right click on My Computer, click Properties, then click Device Manager under sound,video,game controllers. It provides only Side speakers for 5.

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