diff --git a/samsung/np900x3c.nix b/samsung/np900x3c.nix new file mode 100644 index 0000000..73d16bd --- /dev/null +++ b/samsung/np900x3c.nix @@ -0,0 +1,13 @@ +{ lib, ... }: +with lib; +{ + imports = [ ../lib/kernel-version.nix ]; + + services.xserver.synaptics.enable = true; + + kernelAtleast = singleton + { version = "3.9"; + msg = "Runtime system freezes can be expected on Linux kernels prior to 3.9, probably because of bugs in intel video drivers."; + }; + +} \ No newline at end of file diff --git a/samsung/np900x3c.wiki b/samsung/np900x3c.wiki new file mode 100644 index 0000000..e9fc58b --- /dev/null +++ b/samsung/np900x3c.wiki @@ -0,0 +1,94 @@ += Overview = + +Most of the features seem to be working with Linux >= 3.9 + +== Hardware == + +* CPU Intel(R) Core(TM) i5-3317U CPU @ 1.70GHz +* RAM 4 GB +* HDD 128GB SSD +* Screen 13.3-Inch Screen +* Graphics Intel HD Graphics 4000, Ivy bridge + += Configuration = + +Full configurations is in my +[https://raw.github.com/grwlf/nixpkgs/local/machines/samsung-np900x3c-v2.nix nixpkgs branch]. Note, it requires several local packages. + +=== Touchpad === + +Touchpad is detected as 'ETPS/2 Elantech Touchpad'. xf86-input-synaptics handles +it well. Corresponding config lines: + +
+  services.xserver = {
+    synaptics = {
+      enable = true;
+      accelFactor = "0.05";
+      maxSpeed = "10";
+      twoFingerScroll = true;
+      additionalOptions =
+        ''
+        MatchProduct "ETPS"
+        Option "FingerLow"                 "3"
+        Option "FingerHigh"                "5"
+        Option "FingerPress"               "30"
+        Option "MaxTapTime"                "100"
+        Option "MaxDoubleTapTime"          "150"
+        Option "FastTaps"                  "1"
+        Option "VertTwoFingerScroll"       "1"
+        Option "HorizTwoFingerScroll"      "1"
+        Option "TrackstickSpeed"           "0"
+        Option "LTCornerButton"            "3"
+        Option "LBCornerButton"            "2"
+        Option "CoastingFriction"          "20"
+        '';
+      };
+  };
+
+ +=== Wireless === + +System requires iwlwifi-6000g2b-6.ucode in order to work. I've extracted the +file from some debian package and placed it into /root/firmware. Corresponding +config settings: + +
+  hardware.firmware = [ "/root/firmware" ];
+
+ += Problems = +There are some. See + +* [http://ubuntuforums.org/showthread.php?t=1737086 Ubuntu thread] +* [http://bugzilla.kernel.org/show_bug.cgi?id=44161 Kernel.org bug] +* [http://jablonskis.org/2012/linux-and-samsung-series-laptop-9-fn-keys/ jablonskis.org] + +=== BIOS problems === +I had to disable SSD boot completely in order to boot from USB. Just changing boot priority didn't help. + +Fix: Update BIOS up to recent version + +=== Battery === +Battery charging/discharging indicator doesn't work good. + +Fix: Update BIOS up to recent version + +=== Lid === +Acpi thinks lid is always open +
+[ierton@greyblade:~]$ cat /proc/acpi/button/lid/LID0/state 
+state:      open
+
+ +Related [https://bugzilla.kernel.org/show_bug.cgi?id=44161 Kernel bug #44161] + +=== Multimedia keys === +* rfkill/fanless don't work +* volume up/down don't work +* brightness up/down work, but release is broken +* touchpad disable works + +Related discussion on +[http://jablonskis.org/2012/linux-and-samsung-series-laptop-9-fn-keys/ jablonskis.org] +