Acer Aspire 7720 Z

Hardware
Following list contains its hardware:


 * Processor Intel Dual Core T2310 @1.46GHz
 * Grapics card Intel X3100
 * 2Go RAM DDR2
 * 17" Screen
 * 160GB Hard Drive
 * Webcam Acer Cristal Eye
 * 802.11 b/g WLAN
 * Resolution 1440*900 (Widescreen)

uname -a lspci

Frequency scaling
Frequency scaling work perfectly with this processor.

You should see the frequency of your processor decrease to 0.8GHz when CPU is idle, and increase to 1.46GHz on demand.

Sound Card
Using driver Intel HDA from the kernel (compiled as a module) everything works fine.

Don't forget to load the module at boot time, add "snd-hda-intel" to /etc/modules.autoload.d/kernel-2.6

Touchpad
It's possible you have to modify some parameters via the xorg.conf file or some graphical tool (like gsynaptics or ksynaptics).

WIFI
lspci Some atheros 5xxx cards are supported by madwifi-ng drivers included in the portage tree, but if you card does not work with this driver, you could look for "madwifi-nr-r3366+ar5007", compile and install it by hand. All you have to do (once you have donwloaded the file is

You have to add thess lines to autoload modules configuration file.

After that, your wifi device should work properly.

Ethernet
lspci Works out of the box.

Webcam
The Acer CrystalEye webcam works fine with linux-uvc package and load the uvcvideo module. You just have to install linux-uvc

To make sure everything is ok and webcam is detected, after a reboot you can look for uvcvideo: Found UVC 1.00 device Acer CrystalEye webcam in the dmesg output. If you have this line, your device is properly detected and it should work properly.

You can test if the webcam works with luvc

or mplayer

To record some videos, you could use ffmpeg:

Of course you could change the parameters.

SD Card Reader
Works out of the box, SD card is seen like mass storage usb device.

Acer Aspire 7720 Z