Intel 6 SERIES CHIPSET - DATASHEET 01-2011

Datasheet 245
Functional Description
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.
Figure 5-11. Flash Descriptor Sections
Descriptor
MAP
Component
Signature
Region
Master
PCH Soft
Straps
4KB
Management
Engine VSCC
Table
Descriptor
Upper MAP
OEM Section
Reserved
10 h