What is Basic Input Output System and BIOS Defination

What is BIOS ?

Basic Input/Output System, the BIOS, ROM BIOS, or System BIOS is a chip located on all motherboard that contain instructions and setup for how your system should boot and how it operates.

BIOS is sometimes incorrectly referred to as the Basic Integrated Operating System.

 In the below picture, is an example of what a BIOS chip may look like on your computer motherboard. In this example, this is a picture of an early AMIBIOS, a type of BIOS manufactured by the AMI Another good example of a BIOS manufacturer is Gigabit





Although BIOS is theoretically always the intermediary between the microprocessor and I/O device control information and data flow, in some cases, BIOS can arrange for data to flow directly to memory from devices (such as video cards) that require faster data flow to be effective.

	How to Reflash Motherboard BIOS
	About updating BIOS...
	The whole BIOS updating procedure should be treated with extreme caution. If you do not encounter any system instability or bugs with the current BIOS version, we suggest that you keep it. If you determine to flash BIOS, you are taking a personal risk of BIOS flash failure. Please contact your supplier or our distributors/resellers for further remedy in case system crashes unfortunately because of BIOS flash failure.
	Before you begin...
	1. Please make sure the BIOS version you want to flash matches your motherboard model. 2. If your BIOS is flash protected, please do not enable BIOS Flash Protection under Advanced CMOS Setup (AMI BIOS) or Advanced BIOS Features (AWARD BIOS) in BIOS menu. 3. Never interrupt when you BIOS is being updated. 4. Because BIOS flashing is potentially risky, if you do not encounter problems using the current version of BIOS, it is recommended that you not flash the BIOS. To flash the BIOS, do it with caution. Inadequate BIOS flashing may result in system malfunction.
	Three BIOS Flash Utilities...
	We provide three BIOS flash utilities at our website. Below are the overviews.
	1 :
	A BIOS flash utility embedded in Flash ROM. Not all motherboards have the Q-Flash, please use @BIOS or DOS flash utility to update BIOS if your motherboard does not have Q-Flash.
	Features-- With this utility, you only have to stay in the BIOS menu when you want to update BIOS. No need to enter DOS or O.S. mode. Caution-- Make sure you have a functional floppy disk with the correct BIOS version for your motherboard.
UEFI - Download PDF User Guide   Download PDF User Guide
	2 :
	A Windows-based BIOS live update utility.
	Features-- @BIOS helps you search for, download, and then update the latest BIOS in Windows operating system. Caution-- Make sure your O.S. environment is stable.
UEFI - Download PDF User Guide   Download PDF User Guide
	3 : DOS Flash utility
	Features-- The flash utility is a combination of AMI and AWARD BIOS flash utility. You can use it with both AMI and AWARD BIOS. Caution-- Make sure you have a functional DOS boot disk with the correct BIOS version for your motherboard.
Download PDF User Guide
You will need to view these PDF files with Acrobat Reader.

 

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