ASUS Eee PC 1001p

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The ASUS Eee PC 1001P is a 10.1" laptop with an Intel Atom N450 processor.

Issues

ACPI and Intel KMS

Screen goes black when kernel mode setting and ACPI is on. Brightness controls are not working.

Solution: Add the following to your kernel parameter list:

 acpi_osi=Linux acpi_backlight=vendor

Alternate solution (as those parameters break some fn keys):

With acpi_osi=Linux or both - mute, wireless and sleep keys do not work.
With acpi_backlight=vendor, brightness is not shifted, but control is totally disabled and brightness does not restore to max when AC power is restored.

So instead (as seen here):

# setpci -s 00:02.0 f4.b=ff

Where "00:02.0" is PCI address of video card (as reported by lspci). This shifts up min and max brightness levels on hardware level, without affecting anything in /sys/class/backlight/... or /proc/acpi/video/VGA/LCDD/...

Using acpi_backlight=vendor and changing f4.b register simultaneously will result in even brighter, blinding maximum backlight, while used separately the effect is roughly equal.

LCD Brightness

See Backlight.

If brightness levels are erratic, download the latest BIOS from Asus

If maximum brightness seems lower than it should be, see setpci solution above.

Network Adapter

Problem: The network adapter for wired LAN does not or rarely get recognized (lspci and ip addr do not list it).

Solution: Add the following to your kernel parameter list:

 eeepc_laptop.hotplug_disabled=1

Touchpad

See Touchpad Synaptics.

Two-Finger scrolling works with a /etc/X11/xorg.conf like this:

 Section "InputDevice"
  Identifier  "SynapticsTouchpad"
  Driver      "synaptics"
  Option      "AlwaysCore"        "true"  # send events to CorePointer
  #Option      "Device"            "/dev/input/mice"
  Option      "Device"            "/dev/psaux"
  Option      "Protocol"          "auto-dev"
  Option      "SHMConfig"         "false" # configurable at runtime? security risk
  Option      "LeftEdge"          "1700"  # x coord left
  Option      "RightEdge"         "5300"  # x coord right
  Option      "TopEdge"           "1700"  # y coord top
  Option      "BottomEdge"        "4200"  # y coord bottom
  Option      "FingerLow"         "25"    # pressure below this level triggers release
  Option      "FingerHigh"        "30"    # pressure above this level triggers touch
  Option      "MaxTapTime"        "180"   # max time in ms for detecting tap
  Option      "VertEdgeScroll"    "true"  # enable vertical scroll zone
  Option      "HorizEdgeScroll"   "true"  # enable horizontal scroll zone
  Option      "CornerCoasting"    "true"  # enable continuous scroll with finger in corner
  Option      "CoastingSpeed"     "0.30"  # corner coasting speed
  Option      "VertScrollDelta"   "100"   # edge-to-edge scroll distance of the vertical scroll
  Option      "HorizScrollDelta"  "100"   # edge-to-edge scroll distance of the horizontal scroll
  Option      "MinSpeed"          "0.10"  # speed factor for low pointer movement
  Option      "MaxSpeed"          "0.60"  # maximum speed factor for fast pointer movement
  Option      "AccelFactor"       "0.0020"    # acceleration factor for normal pointer movements
  Option      "VertTwoFingerScroll"   "true"  # vertical scroll anywhere with two fingers
  Option      "HorizTwoFingerScroll"  "true"  # horizontal scroll anywhere with two fingers
  Option      "TapButton1" "1"
  Option      "TapButton2" "2"
  Option      "TapButton3" "3"
 EndSection