There's a nice help page at the Ubuntu page.
Works almost out-of-the-box. You just have to blacklist the
ath_pci module to make the WLAN card work. Everything
else seems to work fine. You might have to keep the
setkeycodes mappings for the popup displays when changing volume
or brightness to work. The WIFI LED doesn't work with the
ath5k module but the killswitch does.
If you got a blank screen after grub, remove any
vga=0x314 (or similar) parameter from your kernel line. Intrepid
now uses uvesafb which depends on v86d (not automatically installed!!) and seems to have some problems finding the
internal VGA card upon bootup.
A small workaround has been posted at UbuntuForums:
/etc/modprobe.d/uvesafb with the following content:
options uvesafb mode_option=800x600-16 mtrr=3 scroll=ywrap
/etc/modprobe.d/blacklist-framebuffer and add:
/etc/modules and add:
Works 99% out-of-the-box. Add
/etc/modprobe.d/blacklist to get the
ath5k module working. Also you
might need to install
linux-backport-modules to make the
lbm_cw_cfg80211 accept the
regdom option. (If you're
in Europe, you might want to add the following line to your
options lbm_cw_cfg80211 ieee80211_regdom=EU
This sets the regulatory domain to EU which enables channels 12-14 (see Wikipedia). The non-lbm-module doesn't like this option.
The ArchLinux Wiki contains several tips for tweaking a Linux to suit the Aspire One. Also take a look at the [[:know-how:software:linux:start]] section on this page.