Hello, my name is Ben Doan
I'm a programmer and a student

Arch Linux on a Thinkpad T440s

Ben Doan - 2014-05-13 - License | Tagged: linux arch


I had a free day today, so I decided to leave Fedora and reinstall Arch Linux on my laptop. When I first installed Arch on this computer, a Lenovo Thinkpad T440s, I ran into a number of issues. I found a few tricks to make the installation process go smoothly that I've included here for future reference.

One issue I encountered in my previous install was that sound didn't work at all. To get that working I needed to add some extra configuration to alsa in /etc/modprobe.d/alsa.conf:

options snd_hda_intel enable=0,1
options snd slots=snd_hda_intel, thinkpad_acpi
options snd_hda_intel index=0
options thinkpad_acpi index=1

The trackpad was another issue. The new thinkpad clickpad gets a lot of critisim, but with the right configuration, I'm at the point where I almost like it better than the old style. Here's what I ended up using for my synaptics config; this goes into the /etc/X11/xorg.conf.d/50-synaptics.conf file:

Section "InputClass"
    Identifier "touchpad catchall"
    Driver "synaptics"
    MatchIsTouchpad "on"

    Option "TapButton1" "0"
    Option "TapButton2" "0"
    Option "TapButton3" "0"

    Option "ClickFinger3" "2"

    MatchDevicePath "/dev/input/event*"

    Option "ClickPad" "true"

    Option "VertHysteresis" "30"
    Option "HorizHysteresis" "30"

    Option "AreaTopEdge" "3000"
    Option "SoftButtonAreas" "66% 0 0 3000 33% 66% 0 3000"

    Option "VertTwoFingerScroll" "1"
    Option "HorizTwoFingerScroll" "1"

After those two issues where fixed everything else went swimmingly. My old dotfiles still worked, and now I'm back to a familiar environment.

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