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The Unabridged Pentium 4 IA32 Processor Genealogy by Bob Colwell, Tom Shanley

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The Image Management BIOS

The Purpose of the Image Management BIOS

The Intel® documentation describes a BIOS tasked with handling several functions. These functions permit an application to issue a request to the BIOS:

  • To enable the system BIOS's Microcode Update capability.

  • To determine if the system BIOS's Microcode Update capability is currently enabled or disabled.

  • To write a new Microcode Update image from system RAM memory into the system's non-volatile memory.

  • To read a Microcode Update image from the system's non-volatile memory and place it into a specified area of system RAM memory.

It should be stressed that this BIOS manages the non-volatile memory within which one or more Micro Update images can be stored. It also is used to enable ...

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