[coreboot] Lenovo X60: GRUB_GFXMODE=1024x768 only works with docking station connected

Paul Menzel paulepanter at users.sourceforge.net
Wed Jan 14 22:53:02 CET 2015

Dear coreboot folks,

on the Lenovo X60s, running coreboot with SeaBIOS as payload, adding the
two lines below to GRUB’s configuration in `/etc/default/grub`


and running `update-grub`, which updates GRUB 2.02~beta2-20 (Debian
Jessie/testing) in the MBR, it does only work, when the laptop is
attached to the docking station (nothing attached to the docking

Those of you with a Lenovo system, could you please try to reproduce
this? Also if you still have the vendor firmware, it’d be great to get
some data points. Any hints, how to debug this issue are also


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