A shameless cobbling of the build files from http://linux.dell.com/files/cto/ leads to a fix for the Broadcom wireless issues!
As ever, boot your device and get to su command line ([ Ctrl ] [ Alt ] [ F2 ]), log in as chronos and then:
sudo su mount -o remount, rw / sudo echo "blacklist b43" >> /etc/modprobe.d/blacklist.conf sudo echo "blacklist b43legacy" >> /etc/modprobe.d/blacklist.conf sudo echo "blacklist ssb" >> /etc/modprobe.d/blacklist.conf sudo echo "blacklist bcma" >> /etc/modprobe.d/blacklist.conf sudo echo "wl" >> /etc/modules sudo touch /etc/modprobe.d/wl.conf sudo echo "alias wlan0 wl" >> /etc/modprobe.d/wl.conf cd /lib/modules/3.4.0/kernel/drivers/net/wireless/ wget http://chromium.arnoldthebat.co.uk/files/fw/lib/modules/3.4.0/kernel/drivers/net/wireless/wl.ko sudo insmod /lib/modules/3.4.0/kernel/net/wireless/cfg80211.ko sudo insmod /lib/modules/3.4.0/kernel/net/wireless/lib80211.ko sudo insmod /lib/modules/3.4.0/kernel/net/wireless/lib80211_crypt_ccmp.ko sudo insmod /lib/modules/3.4.0/kernel/net/wireless/lib80211_crypt_tkip.ko sudo insmod /lib/modules/3.4.0/kernel/net/wireless/lib80211_crypt_wep.ko sudo insmod /lib/modules/3.4.0/kernel/drivers/net/wireless/wl.ko sudo depmod -a
Wireless networks should start to miraculously appear and you can connect as required.
One minor gripe is that the driver doesn’t seem to like hidden SSID and bombs out when attaching to them. Other that that it seems to work fine!
Huge thanks to Doug Anson @ Dell for providing the driver.
As per the readme located http://www.broadcom.com/docs/linux_sta/README.txt a good few variants should be supported. As ever, its tested on a Dell Inspiron 910 only (Mini 9)!