Updating the system bios

In general, updating to the latest version of the BIOS is recommended.

In most cases you can revert back to a previous version of your System BIOS if the new version is causing problems for you.

While this is understandable – it somewhat defeats the object of having a Windows-based flash application if users have delve into the innards of their PC before they can use it – it does have security implications. or to be more precise, non write-protected flashable BIOS!

The benefits of being able to write-protect your flash BIOS was amply illustrated by the emergence of the CIH virus in the late 1990s. The most common variant of the CIH virus overwrote both the first 2048 sectors of a hard disk as well as the BIOS, making it impossible to reboot a system in order to reflash the BIOS!

In fact, motherboard manufacturers have made the process of updating your BIOS considerably easier, by providing software that allows this – and more besides – to be done from within Windows.

Gigabyte claims to have been the first off the mark with its BIOS application, first released in mid-2000.

With contemporary EEPROM (Electronically Erasable Programmable Read Only Memory) technology – the successor to the original ROM BIOS – it’s possible to change the contents of the ROM BIOS electrically via software.

This tutorial will take you through the steps involved in both updating options, covering each of the following: An acronym for Basic Input Output System, your system BIOS is often referred to as firmware because it is software that is per-programmed onto a Read Only Memory (ROM) chip.

Various links are provided to enable you to go search the Internet for the latest version of your BIOS.

For example, a BIOS update may help solve an overheating issue.

Also, many BIOS updates are released that simply support new hardware like a new CPU model or graphics card.

We don’t need to use this facility, since we’ve already located and downloaded the BIOS update. Today’s most sophisticated live update utilities automatically detect your model of motherboard and its BIOS version and any later version available for download from the manufacturer’s site.

Simply point to where this is stored on your hard drive … A consequence of manufacturers efforts to make BIOS flashing easier is that fewer motherboards are equipped with a Flash BIOS jumper.

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