Lenovo ThinkPad X201
The X201 is a 4-core subnotebook produced by Lenovo. See Thinkwiki for more information.
Arch installs and runs flawlessly. Some specials features need tweaks, though.
Have a look at the Intel wikipage for installation and configuration of the proper driver packages.
Install Pm-utils#Using_another_sleep_back-end_.28like_uswsusp.29 for instructions.and and configure it as pm-util's backend. See
To make fbsplash work, i915 has to be added to the modules array in mkinitcpio.conf:
Thinkpad Fan Control contains instructions to install tpfand as a custom replacement for hardware (bios-) fan control.
After that, start
tpfan-admin and adjust the settings (by clicking on the sensor's graph). You should split the graph (via context menu) and set the fan to full-speed when the sensor reaches, say, 65 °C. You may also edit the config file directly.
Useto enable frequency scaling.
Undervolting it not possible with the intel core iX cpu.
Bootloader kernel options
Add these kernel options to your bootloader's config file to make use of power saving mechanismens which are turned off by default because of reported instabilities. For me, they do a great job on my X201.
GRUB_CMDLINE_LINUX_DEFAULT="[...] i915_enable_rc6=1 i915_enable_fbc=1"
Update grub.cfg afterwards:
grub-mkconfig -o /boot/grub/grub.cfg
Add the options above to