Comment 4 for bug 711397

Me too, this machine has had 9.04, 9.10, 10.04 & 10.10 all with the wireless working, and now in Natty it doesn't work. Here's the output from the apt-get line when I attempted to reinstall the drivers just in case.

sudo apt-get install firmware-b43-installer
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following extra packages will be installed:
  b43-fwcutter
The following NEW packages will be installed
  b43-fwcutter firmware-b43-installer
0 upgraded, 2 newly installed, 0 to remove and 0 not upgraded.
Need to get 3,632 B/18.2 kB of archives.
After this operation, 131 kB of additional disk space will be used.
Do you want to continue [Y/n]? y
Get:1 http://gb.archive.ubuntu.com/ubuntu/ natty/multiverse firmware-b43-installer all 4.150.10.5-5 [3,632 B]
Fetched 3,632 B in 0s (14.4 kB/s)
Selecting previously deselected package b43-fwcutter.
(Reading database ... 326813 files and directories currently installed.)
Unpacking b43-fwcutter (from .../b43-fwcutter_1%3a013-3_i386.deb) ...
Selecting previously deselected package firmware-b43-installer.
Unpacking firmware-b43-installer (from .../firmware-b43-installer_4.150.10.5-5_all.deb) ...
Processing triggers for man-db ...
Setting up b43-fwcutter (1:013-3) ...
Setting up firmware-b43-installer (4.150.10.5-5) ...
Not supported low-power chip with PCI id 14e4:4315!
Aborting.
dpkg: error processing firmware-b43-installer (--configure):
 subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
 firmware-b43-installer
E: Sub-process /usr/bin/dpkg returned an error code (1)