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56% (5)
Good
 
44% (4)
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Dell Inspiron 15R

Author(s)

H4ppyClown
Sidicas

Introduction

Dell Inspiron 15R Purchased February 2011. Experience below is based on Debian 6.0.

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Specifications

NameDell Inspiron 15R
ProcessorIntel® Pentium® Processor P6100 (3M Cache, 2.00 GHz)
Screen15.6in High Definition (1366×768) WLED
RAM3072MB 1333MHz Dual Channel DDR3 SDRAM [1×1024 + 1×2048]
HDD320GB (5,400rpm) Serial ATA Hard Drive
Optical DriveDVD +/- RW Drive (read/write CD & DVD)
GraphicsIntel® Graphics Media Accelerator HD
NetworkStandard Dell Wireless 1501 802.11 g/n

Linux Compatibility

DeviceCompatibilityComments
ProcessorYesInstalled i386 architecture. Have not tested IA64 architecture but in theory is compatible
ScreenYesXorg booted into 1366×768 resolution with no tweaking of config required
HDDYes
Optical DriveYes
GraphicsYes Could not enable 3D functions (e.g. Compiz) but then its not a 3D accelerating chip.
SoundYes ALSA gives different sliders for headphones & onboard speakers, which is useful.
EthernetYes
WirelessYes Needed to install package “firmware-brcm80211” to enable wireless.
BluetoothNot Tested Looks like its enabled but no other device to test with.
USBYes 3 USD ports available
Card ReaderNot Tested
ExpressCard SlotNot Tested
CameraYes Onboard Webcam works fine
HDMI Not Tested
VGA Not Tested

Multimedia Keys

Testing using Debian Wheezy and KDE 4.8.4

KeyCompatibilityComments
Screen Toggle No Key is incorrectly interpreted as “p”
Wifi Toggle Yes
Touchpad Disable Yes Requires special work, see below
Brightness Down Yes
Brightness Up Yes
Previous Track Yes
Play / Stop Yes
Next Track Yes
Volume Down Yes
Volume Up Yes
Volume Mute Yes
Config Yes Generates a Meta-X keyboard press
Equalizer No Generates no X or ACPI events. e02a & e02c doesn't make it through to X. “Unknown key”
Bookmark Page No Generates no X or ACPI events. e024 doesn't make it through to X. “Unknown key”

Touchpad Disable

FN+F3
The touchpad can be disabled easily with xinput or kde-config-touchpad.
The touchpad LED /sys/class/leds/dell-laptop::touchpad/brightness needs to be set to “1” when the touchpad is disabled and this is not done by default.

The touchpad LED can be fixed as follows:

1. Make a copy of /etc/acpi/asus-touchpad.sh and call it /etc/acpi/dell-touchpad.sh
2. Edit the file and replace this line:

  ledf=/sys/class/leds/asus::touchpad/brightness

with this line:

  ledf=/sys/class/leds/dell-laptop::touchpad/brightness

3. Executing sudo /etc/acpi/dell-touchpad.sh will now enable/disable the touchpad and toggle the LED correctly.

To avoid being prompted for a password:

1. Make /etc/acpi/dell-touchpad.sh read-only:

  sudo chmod -w /etc/acpi/dell-touchpad.sh

2. Edit sudoers to allow sudoers to execute without password prompt.

  myusername ALL = (root) NOPASSWD: /etc/acpi/dell-touchpad.sh

Finally, bind the exectuion of /etc/acpi/dell-touchpad.sh to the XF86TouchpadToggle keyboard event using xbindkeys.
~/.xbindkeysrc

  #Disable Touchpad
  "sudo /etc/acpi/dell-touchpad.sh"
  m:0x0 + c:199
  XF86TouchpadToggle

Then make sure you add xbindkeys to ~/.xinitrc to make sure xbindkeys starts with your desktop environment.

Notes

Was a pain-free install of Debian. No issues. Use a fixed ethernet connection to install so you can grab updates & enable wireless via “apt-get install firmware-brcm80211”. I haven't tested connecting an external monitor via VGA or HDMI so not sure how Xorg will respond to this.

Summary

Would recommend this laptop for Linux. Second time I've used a Dell laptop and both have been great.


Discussion

oocf, 2013/01/29 04:22

For the WIFI i have to install: firmware-iwlwifi because my card was a Intel and it work, but only in a Kernel 3 o superior.

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dell_inspiron_15r.txt · Last modified: 2013/02/01 06:59 by sidicas
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