Acer Aspire 1691 WLMi

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Hardware

Processor: Intel Pentium M (Centrino) 1.50GHz

Video: Intel Corporation Mobile 915GM/GMS/910GML Chipset

Audio: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) AC'97 Audio

Wired NIC: Broadcom Corporation NetXtreme BCM5788 Gigabit Ethernet (rev 03)

Wireless NIC: Intel Corporation PRO/Wireless 2200BG Network Connection (rev 05)

Networking

Wireless

Install driver:

# pacman -S ipw2200-fw 

Get WiFi LED signalization working:

# echo "options ipw2200 led=1" > /etc/modprobe.d/modprobe.conf


Power Management

ACPI

Install ACPI daemon and start it.

I found out that when booted with ACPI on, the laptop makes kind of high frequency noise which can be really annoying when you work in otherwise quiet room. There is no such noise when you boot with acpi=off. I searched for a solution and I found this:

Add this line to /etc/modprobe.d/modprobe.conf:

options processor max_cstate=2

Then re-generate the initramfs image (see Configuring mkinitcpio#Creating the image). Reboot, and check if things work:

$ cat /proc/acpi/processor/CPU0/power |grep max_cstate
max_cstate:              C2

In this case, many thanks for finding solution go to Victor Julien [1]

NB: You should know that any of these solutions will reduce the battery life, so it seems so far that you need to choose which one is more important for you: either the longer-lasting battery or the quiet laptop. You can find more information about the whole problem concerning high pitch noise and ACPI CPU power saving states here [2]

CPU frequency scaling

See the main CPU Frequency Scaling article.

Xorg

To make the touchpad work, edit your xorg.conf following this howto: Touchpad Synaptics. You may need to replace "AllwaysCore" with "SendCoreEvents" in the Section "ServerLayout" [3].

(Also look here for a useful trick: Disable touchpad temporarily when typing)

Special keys

To use all the keyboard's special keys, I've installed keytouch

# pacman -S keytouch
# put keytouch in DAEMONS array in rc.conf
# put in your autostart something like keytouchd &
# Save the following file as /usr/share/keytouch/keyboards/Aspire 1690.Acer
<keyboard>
 <file-info>
   <syntax-version>1.1</syntax-version>
   <last-change format="%d-%m-%Y">13-08-2007</last-change>
   <author></author>
 </file-info>
 <keyboard-info>
   <keyboard-name>
     <manufacturer>Acer</manufacturer>
     <model>Aspire 1690</model>
   </keyboard-name>
 </keyboard-info>
 <key-list>
   <key>
     <name>Mute</name>
     <scancode>160</scancode>
     <keycode>MUTE</keycode>
     <default-action action-type="plugin">
       <plugin-name>Amixer</plugin-name>
       <plugin-function>Mute</plugin-function>
     </default-action>
   </key>
   <key>
     <name>Disable touchpad</name>
     <scancode>242</scancode>
     <keycode>LEFTMETA</keycode>
     <default-action></default-action>
   </key>
   <key>
     <name>Disable screen</name>
     <scancode>56</scancode>
     <keycode>CYCLEWINDOWS</keycode>
     <default-action></default-action>
   </key>
   <key>
     <name>Help</name>
     <scancode>165</scancode>
     <keycode>HELP</keycode>
     <default-action>khelpcenter || gnome-help</default-action>
   </key>
   <key>
     <name>Brightness up</name>
     <scancode>238</scancode>
     <keycode>BRIGHTNESSUP</keycode>
     <default-action></default-action>
   </key>
   <key>
     <name>Brightness down</name>
     <scancode>239</scancode>
     <keycode>BRIGHTNESSDOWN</keycode>
     <default-action></default-action>
   </key>
   <key>
     <name>Volume Up</name>
     <scancode>176</scancode>
     <keycode>VOLUMEUP</keycode>
     <default-action action-type="plugin">
       <plugin-name>Amixer</plugin-name>
       <plugin-function>Volume increase</plugin-function>
     </default-action>
   </key>
   <key>
     <name>Volume Down</name>
     <scancode>174</scancode>
     <keycode>VOLUMEDOWN</keycode>
     <default-action action-type="plugin">
       <plugin-name>Amixer</plugin-name>
       <plugin-function>Volume decrease</plugin-function>
     </default-action>
   </key>
   <key>
     <name>Play/Pause</name>
     <scancode>162</scancode>
     <keycode>PLAYPAUSE</keycode>
     <default-action action-type="plugin">
       <plugin-name>XMMS</plugin-name>
       <plugin-function>Play/Pause</plugin-function>
     </default-action>
   </key>
   <key>
     <name>Stop CD</name>
     <scancode>164</scancode>
     <keycode>STOPCD</keycode>
     <default-action action-type="plugin">
       <plugin-name>XMMS</plugin-name>
       <plugin-function>Stop</plugin-function>
     </default-action>
   </key>
   <key>
     <name>Previous song</name>
     <scancode>144</scancode>
     <keycode>PREVIOUSSONG</keycode>
     <default-action action-type="plugin">
       <plugin-name>XMMS</plugin-name>
       <plugin-function>Previous</plugin-function>
     </default-action>
   </key>
   <key>
     <name>Next song</name>
     <scancode>153</scancode>
     <keycode>NEXTSONG</keycode>
     <default-action action-type="plugin">
       <plugin-name>XMMS</plugin-name>
       <plugin-function>Next</plugin-function>
     </default-action>
   </key>
   <key>
     <name>Video out</name>
     <scancode>169</scancode>
     <keycode>SWITCHVIDEOMODE</keycode>
     <default-action></default-action>
   </key>
   <key>
     <name>P Key</name>
     <scancode>243</scancode>
     <keycode>PROG1</keycode>
     <default-action>keytouch</default-action>
   </key>
   <key>
     <name>E key</name>
     <scancode>244</scancode>
     <keycode>PROG2</keycode>
     <default-action>keytouch</default-action>
   </key>
   <key>
     <name>WWW</name>
     <scancode>178</scancode>
     <keycode>WWW</keycode>
     <default-action action-type="plugin">
       <plugin-name>WWW Browser</plugin-name>
       <plugin-function>Home</plugin-function>
     </default-action>
   </key>
   <key>
     <name>E-mail</name>
     <scancode>236</scancode>
     <keycode>EMAIL</keycode>
     <default-action action-type="plugin">
       <plugin-name>E-mail</plugin-name>
       <plugin-function>E-mail</plugin-function>
     </default-action>
   </key>
 </key-list>
</keyboard>


External Resources