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| author | Patrick Rudolph <siro@das-labor.org> | 2018-08-04 10:04:45 +0200 |
|---|---|---|
| committer | Philipp Deppenwiese <zaolin.daisuki@gmail.com> | 2018-09-30 03:20:36 +0000 |
| commit | 15d840558480536ddaca71bc1876254d59fca7fe (patch) | |
| tree | ecbb8b330e53b9413eaf17a72e0fb79a9ed2523f /Documentation/mainboard/lenovo/t420.md | |
| parent | 3d1d966dd8866e8fd399f988b38b7ceba9f4cfee (diff) | |
| download | coreboot-15d840558480536ddaca71bc1876254d59fca7fe.tar.xz | |
Documentation: Add basic flashing tutorial for Lenovo
* 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>
Diffstat (limited to 'Documentation/mainboard/lenovo/t420.md')
| -rw-r--r-- | Documentation/mainboard/lenovo/t420.md | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/Documentation/mainboard/lenovo/t420.md b/Documentation/mainboard/lenovo/t420.md new file mode 100644 index 0000000000..ff7a0a9238 --- /dev/null +++ b/Documentation/mainboard/lenovo/t420.md @@ -0,0 +1,16 @@ +# Lenovo T420 + +## Flashing instructions +You have to disassemble the whole device, as the flash IC is on the bottom +of the mainboard. + +For more details have a look at [T420 / T520 / X220 / T420s / W520 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 +[T420 / T520 / X220 / T420s / W520 common]: xx20_series.md |