flavio.cdc at gmail.com
Sun May 4 22:24:58 UTC 2008
Check those links:
I have a Dell Wireless 1390 aka BCM4310 and nothing seemed to make my card
to work (neither bcm43xx nor the new b43) and yes I had the /lib/firmware
populated with the correct files (b43-fwcutter instalation does this
On Sun, May 4, 2008 at 6:46 PM, "Terrell Prudé Jr." <
microman at cmosnetworks.com> wrote:
> Have a look in the /lib/firmware directory and see if you see any files
> in there. If not, then that's your problem.
> BTW, yep, it does work. I've got it working on my Dell Latitude D600,
> which comes with that accursed Broadcom crap. I've also got it working on
> my Latitude D610 that runs Slackware. The driver itself has been included
> in Linux ever since v2.6.17. However, you also need something called the
> firmware, which is loaded by the driver up into the wireless card's own
> little embedded memory. A little explanation of what's really going on here
> is in order.
> See, these wireless NICs are their own little tiny computers, with their
> own little CPUs, DRAMs, and operating systems. That little operating system
> is what tells the wireless NIC how to be a wireless NIC. Think of it as the
> wireless NIC's own little BIOS. Traditionally, that little embedded
> operating system was included on a PROM (and its successors EPROM and
> EEPROM) chip. However, to save some pennies here and there, some
> manufacturers have decided to do away with the EEPROM and replace it with
> But wait, you say! DRAM gets wiped after every power cycle! Well, you're
> right. Since that's so, then how do we get that little embedded operating
> system back into the wireless NIC so that it can actually work?
> The answer is something called a "firmware image." This is a file that
> contains the entirety of what used to be on that EEPROM. When you install a
> device driver on, say, MS Windows, that device driver is more than just a
> device driver. It also contains these "firmware images." What it does is
> store them somewhere on your hard disk. Then, at boot-time, the driver
> comes up, looks for the firmware image, and loads it up into the wireless
> NIC's DRAM. Effectively, you've replaced the EEPROM with some space on your
> hard disk.
> It works the same way on GNU/Linux. The problem isn't technical; it's
> legal. Broadcom, for whatever asinine reason (Microsoft payments/threats,
> perhaps?), doesn't seem to want their firmware distributed with FOSS
> platforms. So, we have to install them ourselves. usually from a Windows
> driver package. We've got to extract the firmwares from the driver package
> and then put them in the right place. That "right place" on GNU/Linux
> systems is /lib/firmware.
> The bc43xx-fwcutter package is what does this extraction. After you
> extract the firmwares, then you've got to copy them all over to the
> /lib/firmware directory. You will need to have root powers ("sudo -i", for
> example) to do that. You also will need a Windows driver package from which
> to extract these firmwares.
> Do you GNU <http://www.gnu.org>?
> Microsoft Free since 2003 <http://www.cmosnetworks.com>--the ultimate
> antivirus protection!
> Curtis Vaughan wrote:
> I have been struggling 2 days now to get a broadcome wireless card to
> work on an HP DV6000 under Ubuntu 8.04. I've found tons of pages with
> people getting it to work. But everything I've tried doesn't work. The
> interesting thing is I went to the Ubuntu Help Wifi Docs and they say
> that the driver is included in 8.04 and that a manual config is not
> required. That it is all controlled through the nm-applet. But I have not
> been able to get the card up at all.
> Any ideas?
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> ubuntu-users at lists.ubuntu.com
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Flávio Coutinho da Costa
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