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Intel 6 SERIES CHIPSET - DATASHEET 01-2011 User Manual

Intel 6 SERIES CHIPSET - DATASHEET 01-2011
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Functional Description
244 Datasheet
Flash Region Sizes
SPI flash space requirements differ by platform and configuration. The Flash Descriptor
requires one 4 KB or larger block. GbE requires two 4 KB or larger blocks. The amount
of flash space consumed is dependent on the erase granularity of the flash part and the
platform requirements for the ME and BIOS regions. The ME region will contain
firmware to support Intel
®
Advanced Fan Speed Control, Intel Active Management
Technology, and ASF 2.0.
5.24.2 Flash Descriptor
The maximum size of the Flash Descriptor is 4 KB. If the block/sector size of the SPI
flash device is greater than 4 KB, the flash descriptor will only use the first 4 KB of the
first block. The flash descriptor requires its own block at the bottom of memory (00h).
The information stored in the Flash Descriptor can only be written during the
manufacturing process as its read/write permissions must be set to Read only when the
computer leaves the manufacturing floor.
The Flash Descriptor is made up of eleven sections (see Figure 5-11).
Table 5-55. Region Size versus Erase Granularity of Flash Components
Region
Size with 4 KB
Blocks
Size with 8 KB
Blocks
Size with 64 KB
Blocks
Descriptor 4 KB 8 KB 64 KB
GbE 8 KB 16 KB 128 KB
BIOS Varies by Platform Varies by Platform Varies by Platform
ME Varies by Platform Varies by Platform Varies by Platform

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Intel 6 SERIES CHIPSET - DATASHEET 01-2011 Specifications

General IconGeneral
BrandIntel
Model6 SERIES CHIPSET - DATASHEET 01-2011
CategoryController
LanguageEnglish

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