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  1. American Megatrends BIOS Update

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The American Megatrends BIOS Update process is the second part in the series on the AMIBIOS.


I strongly advise reading through this how to article first, before attempting a BIOS update.

If you are still unsure, please DO NOT attempt to update. Contact your local computer repair shop, or call your computer makers support line for advice.

Part 1 introduces you to the AMIBIOS, the beep codes if there is a fault, and the BIOS Setup Utility.

There are 3 Steps in the AMIBIOS update process. Listed below is a link to each part.

Step 5 gives you the opportunity to share your expertise of BIOS updates. Is it a good idea or not? Do you know of a better way to update computer BIOS programs? Share your knowledge!

Step 6 enables you to jump directly to the thoughts and views of other visitors to this web page. Take a look. You may find out something new!


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An American Megatrends BIOS Update is sometimes necessary because, like any other software, improvements are made to improve stability and performance.

You should really update your computer's BIOS when a newer version is released.

This is easier to do these days (20+ years ago it was a nightmare!). AMI and other computer manufacturers provide free Flash BIOS Utilities which update your BIOS for you when you run the program (more on this later).

However, I think the AMI instructions are not very clear for typical home computer users. This tutorial aims to make the process as clear as possible for you.

There are a few things to do first before updating your computer's BIOS.

Motherboard Identification

There are different AMIBIOS products on different computer systems. Most computer makers change the AMIBIOS code to suit their own computer models.

American Megatrends Tablet


Modern computers now come with a new type of BIOS, called Unified Extensible Firmware Upgrade (UEFI). Click here for more details.

The image below is from the AMI website, and shows you how to identify whether your home computer has a native AMI approved motherboard or not.

Where it says 'BIOS from 1991-Present', there is a reference to AMI and the motherboard type, if it is a AMI approved motherboard.

This reference looks something like: AMIS875-P, signifying a Series S875 AMI Motherboard (it actually says AMI123-P on the image above as an example).

If your computer does not have an AMI reference, refer to your computer providers website for guidance. If you require more details on this step, go to the AMI BIOS (Opens New Window) web page.

If you don't understand this step. Don't worry! Download the AMIBID(Opens New Window) motherboard identification tool. Simply install and run on your computer.

If the AMIBID utility fails, go to the CPUID (Opens New Window) web page, download and install the CPU-Z tool. This is another motherboard identification utility.

CPU-Z Tool In Action

From the example above, this computer has an AMIBIOS, but it is not an AMI motherboard. In this instance, the home computer user must visit the ASRack website and search for the BIOS update for the ALive motherboard.


This is Very Important! You must always use the BIOS update made available by your motherboards manufacturer.

AMIBIOS ROM And Flash Utility

If you determine you have an AMI motherboard, download the AMI Firmware Update Tool(Opens New Window).

Unzip the American Megatrends BIOS Update utility. Go to the AFUWIN folder (under the AMIBIOS parent folder), then either the 32-bit or 64-bit sub-folder. Left click AFUWIN.EXE.

Click OK if this disclaimer appears.

Click the Open Button to search for and select the ROM file you downloaded from your motherboard manufacturers website.


American Megatrends 6256v

Click SAVE to take a copy of your existing BIOS Settings. If anything goes wrong you have an option to restore!

Click the Flash Button. The Process tab will be displayed to show you the update BIOS process in action.

American Megatrends BIOS Update In Action

When the process is complete, exit the Flash Utility and Restart Your Computer (if it doesn't restart for you).

Your BIOS is now updated to the latest version. Refer to the AMIBIOS Support web page if further support is required.

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 can request extra support from AMI direct.

Don't forget to take a look at part 1 of this tutorial series, which introduces you to the BIOS concept, AMIBIOS beep error codes and the BIOS Setup Utility.


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Is There A Better Way Than This?

Some professionals recommend you don't update your BIOS unless absolutely necessary. This is good advice if you are a true novice.
Do you agree? Do you know of a better, easier way to update your AMI BIOS than what is described in this article?

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American Megatrends Motherboard Drivers

Dec 21, 2020 • Filed to: Windows Computer Solutions • Proven solutions

Gone are the days when Windows systems can only be booted from a CD/DVD. Now, users can simply create a bootable partition on their USB flash drive and use it at the time of needs. If your system has been crashed or is not able to boot in an ideal way, then you can simply change its booting source to a USB drive. In this way, you can easily boot your Windows PC from the attached USB flash drive. Read on and learn how to do the same in two different ways.

Method 1. Set the computer to boot from USB drive via BIOS

This is the most common way to boot a Windows system from a connected USB drive. Every system has a BIOS (Basic Input Output System) option that users can access. In this way, they can customize the BIOS settings and set the attached USB drive as a primary source for booting. You can access the BIOS options by pressing the BIOS Entry key when the system is turning on. The key can be different from one system to another. Here we can press F12 to enter PhoenixBIOS.

  1. Firstly, you need to turn on your computer. If it is already switched on, then you can just restart it.
  2. As it would turn on, you need to press the designated BIOS entry key on the keyboard. You might have to press the key a few times to access the BIOS options. Additionally, you can simply view the key on the booting screen as well.
Drivers American Megatrends Mobile Phones & Portable Devices
  1. Shortly, the BIOS options will appear on the screen. Since your mouse won’t work on the interface, you can have to navigate using the allocated keys. Usually, the arrow keys are used to navigate, ENTER to make a selection, and ESC to exit. You can also view the shortcut keys and their allocated jobs at the bottom of the screen.
  1. As you can see, the interface has different tabs. Using the arrow keys (left and right), you need to navigate to the 'Boot' section.
  1. From here, you can see the priority of the sources used by the BIOS. Now, using the + (add) and the – (minus) key, you can set the priority of the Removable Devices at the top.
  1. After setting the USB device as the primary booting source, you can save your changes by pressing the F10 key.
  1. Just accept the changes and exit the interface by pressing the ESC key. Connect a bootable USB drive to the system and let it be used as a primary source by BIOS.

While the approach is the same, the overall interface and the keys can be different from one model to another. Nevertheless, by following these simple steps, you would be able to boot your computer from a USB drive without any trouble.

ManufacturerModelBIOS Entry key
HPHP and Compaq Desktop PCs (Built-in 2006 or later (came with Vista or Windows 7))F10
HPHP and Compaq Desktop PCs (Built before 2006 (XP or earlier) )F1
HPHP Notebook PCsF10
DELLDell Inspiron, Dell Dimension, Dell Precision, Dell Optiplex, Dell Vostro Dell XPSF2
DELLDell LatitudeFn+F1
AcerAspire, Power, Veriton, Extensa, Ferrari, TravelMate, AltosDEL or F2
GatewayDX, FX, One, GM, GT, GX, Profile, AstroF1
GatewayOlder modelF2
Fujitsu, NEC, SharpFujitsu, NEC, SharpF2
ToshibaPortégé, Satellite, Tecra, EquiumF1 or ESC
ToshibaToshiba EquiumF12
ShuttleGlamor G-Series, Do, Prima P2-Series, Workstation, X Mini XPC, SurveillanceF1 or DEL
PhoenixPhoenix BIOSF2
AMD® (Advanced Micro Devices, Inc.)AMD® (Advanced Micro Devices, Inc.) BIOSF1
AwardAward BIOSDEL
AMI (American Megatrends, Inc.)AMI (American Megatrends, Inc.) BIOSDEL

Method 2. Set computer to boot from USB drive via Boot Option Menu

Besides accessing the BIOS user interface, users can directly go to the Boot Options Menu as well. Just like a BIOS Entry Key, most of the systems also have a Boot menu key that can be used to select the primary booting device. Though, before you proceed, you need to ensure your system follows legacy support for booting. Additionally, you should also be familiar with the Boot menu key on your computer. Here are some popular options:

  1. Insert the bootable USB drive to the computer and restart the computer.
  2. As soon as you will see the company logo on the screen, start pressing the Boot menu key.
  3. This will open the Boot menu on the screen. It will display a list of all the devices your system can consider as a booting source. Just select your connected USB and let your computer boot from it.

By following these simple solutions, you can easily learn how to boot a computer from a USB drive. You can try either of these options and set the desired booting source for your computer. Go ahead and give it a try. If you face any problem, let us know about it in the comments below.

ManufacturerLaptopDesktop computer
HPF9 or EscF12
Microsoft Surface Provolume-volume-
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