Flash Descriptor Sections - Intel 6 SERIES CHIPSET - DATASHEET 01-2011 Datasheet

Functional Description
Figure 5-11. Flash Descriptor Sections
1. The Flash signature selects Descriptor Mode as well as verifies if the flash is
programmed and functioning. The data at the bottom of the flash (offset 10h) must
be 0FF0A55Ah in order to be in Descriptor mode.
2. The Descriptor map has pointers to the other five descriptor sections as well as the
size of each.
Datasheet
4KB
OEM Section
Descriptor
Upper MAP
Management
Engine VSCC
Table
Reserved
PCH Soft
Straps
Master
Region
Component
Descriptor
MAP
Signature
10 h
245