Installed the broadcom firmware from pacman
// openSUSE 11.0 RC1 64bit wireless broadcom
still received an error message:
b43-phy0 ERROR: Firmware file "b43/ucode5.fw" not found or load failed.
b43-phy0 ERROR: You must go to http://linuxwireless.org/en/users/Drivers/b43#devicefirmware and download the latest firmware (version 4).
fixed by installing these following broadcom files