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Documentation: Add basic flashing tutorial for Lenovo

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* Add basic flashing tutorial
** Describe internal and external flashing
** Describe flash supply diode protection
** Gives general advices on flashing
** Describe how to use flashrom --ifd
*  Describe basic flashing on Lenovo T4xx devices
** Describe how to disassemble and access the flash IC on T4xx
** Describe flash layout on Sandy Bridge and Ivy Bridge series.

Change-Id: Ia833e27f4e7d89ee32be9bed21a0c021839facec
Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-on: https://review.coreboot.org/27852
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
This commit is contained in:
Patrick Rudolph
2018-08-04 10:04:45 +02:00
committed by Philipp Deppenwiese
parent 3d1d966dd8
commit 15d8405584
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Documentation/mainboard/lenovo/t430.md Normal file
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# Lenovo T430
## Flashing instructions
You have to disassemble the whole device, as the flash ICs are on the bottom
of the mainboard.
For more details have a look at [T430 / T530 / X230 / T430s / W530 common] and
```eval_rst
:doc:`../../flash_tutorial/ext_power`
```
Steps to access the flash IC are described here [T4xx series].
[T4xx series]: t4xx_series.md
[T430 / T530 / X230 / T430s / W530 common]: xx30_series.md