UEFI BIOS T420 BIOS Structure: Unterschied zwischen den Versionen

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=== Structure of a Dump of the T420 SPI Flash ===
=== Structure of a Dump of the T420 SPI Flash ===
This is the output of the UEFITool for a dump of a T420 SPI Flash:
[[File:UEFITool_t420_bios_dump.png | xxx | 300px]]
[[File:UEFITool_t420_bios_dump2.png | xxx | 300px]]


The SPI flash of the T420 has a size of 8MByte with this structure:
The SPI flash of the T420 has a size of 8MByte with this structure:
{| border="1"
 
!offset
{| class="wikitable"
!length
!content
|-
|0x0
|0x1000
|descriptor region
|-
|-
|0x1000
! Offset !! Length !! Description
|0x2000
|GbE region
|-
|-
|0x3000
|0x0        ||   0x1000 || descriptor region
|0x4d0000
| Intel ME region
|-
|-
|0x500000
|0x1000      ||  0x2000        || GbE region
|0x300000
|-
|BIOS region
|0x3000      || 0x4d0000        || Intel ME region
|-
|0x500000   || 0x300000       || BIOS region
|-
|-

Version vom 6. November 2015, 22:09 Uhr

T420 SPI Flash Structure

It seems like the T420 BIOS update file (.FL1) is not an UEFI capsule as found for the Edge S430.

This page describes work in progress.

Structure of a Dump of the T420 SPI Flash

This is the output of the UEFITool for a dump of a T420 SPI Flash:


xxx

xxx


The SPI flash of the T420 has a size of 8MByte with this structure:

Offset Length Description
0x0 0x1000 descriptor region
0x1000 0x2000 GbE region
0x3000 0x4d0000 Intel ME region
0x500000 0x300000 BIOS region
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