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A+ Certification Study Guides: Upgrading A PC

BIOS (Cont...)

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When Is A BIOS Update Necessary?

The following list shows the benefits of a ROM BIOS upgrade:

  • Adds support for hard drives greater than 10GB

  • Adds support for Ultra-DMA / 33, UDMA / 66, UDMA / 100, or faster IDE hard drives

  • Adds or improves Plug-and-Play support and compatibility

  • Corrects calendar-related bugs

  • Corrects known bugs or compatibility problems with certain hardware and software

  • Adds support for newer or faster processors

In general, if a computer is not able to utilize all the features of new software or hardware, it may need a BIOS upgrade.

 
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