summaryrefslogtreecommitdiff
path: root/Documentation/mainboard/lenovo/t420.md
diff options
context:
space:
mode:
authorPatrick Rudolph <siro@das-labor.org>2018-08-04 10:04:45 +0200
committerPhilipp Deppenwiese <zaolin.daisuki@gmail.com>2018-09-30 03:20:36 +0000
commit15d840558480536ddaca71bc1876254d59fca7fe (patch)
treeecbb8b330e53b9413eaf17a72e0fb79a9ed2523f /Documentation/mainboard/lenovo/t420.md
parent3d1d966dd8866e8fd399f988b38b7ceba9f4cfee (diff)
downloadcoreboot-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.md16
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