Try this, this guy did this on a Debian linux.
Good luck.HTML Code:http://jomcode.com/fadhil/2008/broadcom-official-linux-driver-bcm4312/
Use google some more:
HTML Code:http://linuxwireless.org/en/users/Drivers/b43HTML Code:http://en.gentoo-wiki.com/wiki/Broadcom_43xxsounds like a headache to use as your only tool tho.HTML Code:http://forums.nubuntu.org/showthread.php?tid=261
I would just get myself a usb dongle, Alfa AWUSO36H, and save myself a world of frustration.