Kubuntu: WLan / WG311v3 Marvell Technology 88w833

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Abstract:
This HowTo covers how to get the Marvel WG311v3 WLan card working
(WG311v3 [Marvell Technology Group Ltd. 88w8335 [Libertas] 802.11b/g Wireless (rev 03)]) on Kubuntu Edgy Eft (Upgraded from Dapper).

There are some caveats and this HowTo is basically a summary of information on different websites.

Bibliography:
http://kubuntu.li/forum/forum.php?req=thread&id=3682
http://linuxcompatible.org/Netgear_WG31 ... 33271.html
https://launchpad.net/distros/ubuntu/+s ... +bug/59983

Instructions
After inserting the card into the PCMCIA slot, run lspci:

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lspci | grep Marvell

If this return an output like this,

06:00.0 Ethernet controller: Marvell Technology Group Ltd. 88w8335 [Libertas] 802.11b/g Wireless (rev 03)

...your card should function after following these instructions.

1) install ndiswrapper:

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apt-get install ndiswrapper-utils-1.8
apt-get install ndiswrapper-common

There's a bug currently in Edgy that installs ndiswrapper-utils 1.1, so make sure you've got 1.8 installed afterwards:
Type "ndiswrapper" followed by <TAB> twice and you should see this:

ndiswrapper ndiswrapper-1.8

2) get the windows 2000 driver:

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wget http://downloads.trendnet.com/TEW-421PC_B1/Driver/Utility_Driver_TEW-421PC_423PI_b1_2.00.zip

3) unpack it...

4) Change to the directory "Drivers/Windows 2000". There you should see the following files:

Mrv8000c.cat Mrv8000c.INF Mrv8000c.sys

5) Run ndiswrapper on the .INF file:

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sudo ndiswrapper -i Mrv8000c.INF

...and verify that it has been installed:

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ndiswrapper -l

6) Install the module alias:

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sudo ndiswrapper -m

should return:
Adding "alias wlan0 ndiswrapper" to /etc/modprobe.d/ndiswrapper

7) load the module:

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sudo modprobe wlan0

That's it! If things went correctly, you will see your WLan card showing up in ifconfig.

The dmesg output will look like this:

[17202266.660000] ndiswrapper: using irq 11
[17202267.228000] wlan0: vendor: ''
[17202267.228000] wlan0: ethernet device 00:40:f4:f7:xx:xx using NDIS driver mrv8000c, 11AB:1FAA.5.conf
[17202267.228000] ndiswrapper (set_encr_mode:689): setting encryption mode to 6 failed (C00000BB)
[17202267.228000] wlan0: encryption modes supported: WEP; TKIP with WPA

Thanks to everyone posting their experiences into forums or writing HowTo's, because without them I would have been lost so many times already.