"Now Dell, with some help from Broadcom and Canonical,
the company behind Ubuntu, has just released a Linux friendly
Broadcom Wi-Fi driver for both 32 and 64-bit Linuxes. According to
John Hull, Dell's Manager of Linux OS Engineering, "updated Linux
wireless drivers that support cards based on the Broadcom 4311,
4312, 4321, and 4322 chipsets" are now available."