Appendix A. Firmware Interface Options

THE WAY YOUR COMPUTER’S firmware interface operates and the tasks it performs depend on the type of firmware interface and the type of central processing unit (CPU). Most computers built today have CPUs based on either 32-bit x86 architecture or 64-bit extensions to this architecture, referred to as x64 architecture.

Table A-1 shows a composite of firmware interface options I’ve encountered in my workplace. When you are working with a desktop computer, you’ll likely find options that serve similar purposes, and you may want to customize these options for the way you want your computer to work. Because there are few standards and conventions among firmware interface manufacturers, firmware interface options ...

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