libreboot

Unnamed repository; edit this file 'description' to name the repository.
Log | Files | Refs | README

commit c073bf06db9e3dc41e78dc7a1c090a174267ba9f
parent 0145436838ebaa83c899829f4ee6ac45af5b6960
Author: Leah Rowe <info@minifree.org>
Date:   Mon, 28 May 2018 08:22:55 +0000

Merge branch 'swifix' of swiftgeek/libreboot into master

Diffstat:
docs/install/x200_external.md | 8+++++---
1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/docs/install/x200_external.md b/docs/install/x200_external.md @@ -19,7 +19,7 @@ Flash chip size Run this command on x200 to find out flash chip model and its size: - # flashrom -p internal -V + # flashrom -p internal The X200S and X200 Tablet will use a WSON-8 flash chip, on the bottom of the motherboard (this requires removal of the motherboard). Not all X200S/X200T are @@ -163,7 +163,9 @@ Now compare the 3 images: # sha512sum factory*.rom -If the hashes match, then just copy one of them (the factory.rom) to a +If the hashes match and if hex editor (like `dhex`) shows that +they have valid contents (eg. it's not filled entirely with `0x00`/`0xFF`), +then just copy one of them (the factory.rom) to a safe place (on a drive connected to another system, not the BBB). This is useful for reverse engineering work, if there is a desirable behaviour in the original firmware that could be replicated in coreboot @@ -178,7 +180,7 @@ address to one that is correct for your system. Now flash it: - # ./flashrom -p linux_spi:dev=/dev/spidev1.0,spispeed=512 -w path/to/libreboot/rom/image.rom -V + # ./flashrom -p linux_spi:dev=/dev/spidev1.0,spispeed=512 -w path/to/libreboot/rom/image.rom ![](images/x200/disassembly/0015.jpg)