mirror of
https://github.com/NixOS/nixos-hardware
synced 2024-12-25 19:19:44 +01:00
95 lines
2.6 KiB
Text
95 lines
2.6 KiB
Text
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= Overview =
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Most of the features seem to be working with Linux >= 3.9
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== Hardware ==
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* CPU Intel(R) Core(TM) i5-3317U CPU @ 1.70GHz
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* RAM 4 GB
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* HDD 128GB SSD
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* Screen 13.3-Inch Screen
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* Graphics Intel HD Graphics 4000, Ivy bridge
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= Configuration =
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Full configurations is in my
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[https://raw.github.com/grwlf/nixpkgs/local/machines/samsung-np900x3c-v2.nix nixpkgs branch]. Note, it requires several local packages.
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=== Touchpad ===
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Touchpad is detected as 'ETPS/2 Elantech Touchpad'. xf86-input-synaptics handles
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it well. Corresponding config lines:
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<pre>
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services.xserver = {
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synaptics = {
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enable = true;
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accelFactor = "0.05";
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maxSpeed = "10";
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twoFingerScroll = true;
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additionalOptions =
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''
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MatchProduct "ETPS"
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Option "FingerLow" "3"
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Option "FingerHigh" "5"
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Option "FingerPress" "30"
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Option "MaxTapTime" "100"
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Option "MaxDoubleTapTime" "150"
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Option "FastTaps" "1"
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Option "VertTwoFingerScroll" "1"
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Option "HorizTwoFingerScroll" "1"
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Option "TrackstickSpeed" "0"
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Option "LTCornerButton" "3"
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Option "LBCornerButton" "2"
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Option "CoastingFriction" "20"
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'';
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};
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};
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</pre>
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=== Wireless ===
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System requires iwlwifi-6000g2b-6.ucode in order to work. I've extracted the
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file from some debian package and placed it into /root/firmware. Corresponding
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config settings:
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<pre>
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hardware.firmware = [ "/root/firmware" ];
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</pre>
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= Problems =
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There are some. See
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* [http://ubuntuforums.org/showthread.php?t=1737086 Ubuntu thread]
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* [http://bugzilla.kernel.org/show_bug.cgi?id=44161 Kernel.org bug]
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* [http://jablonskis.org/2012/linux-and-samsung-series-laptop-9-fn-keys/ jablonskis.org]
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=== BIOS problems ===
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I had to disable SSD boot completely in order to boot from USB. Just changing boot priority didn't help.
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Fix: Update BIOS up to recent version
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=== Battery ===
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Battery charging/discharging indicator doesn't work good.
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Fix: Update BIOS up to recent version
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=== Lid ===
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Acpi thinks lid is always open
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<pre>
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[ierton@greyblade:~]$ cat /proc/acpi/button/lid/LID0/state
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state: open
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</pre>
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Related [https://bugzilla.kernel.org/show_bug.cgi?id=44161 Kernel bug #44161]
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=== Multimedia keys ===
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* rfkill/fanless don't work
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* volume up/down don't work
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* brightness up/down work, but release is broken
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* touchpad disable works
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Related discussion on
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[http://jablonskis.org/2012/linux-and-samsung-series-laptop-9-fn-keys/ jablonskis.org]
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