Wireless DELL M90 with CentOS 5.1 - pb with key encryption

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Hi, 

I have a laptop DELL M90 with an Intel PRO/Wireless 3945ABG card. 

I'm using centOS 5.1 kernel 2.6.18-53 i386.

I installed ndiswrapper v 1.52
I installed the driver http://ftp.us.dell.com/network/R164255.EXE
The wireless-tools is v 28.2

When I trying to connect to my wireless access point with encryption key disabled everything work fine !!!! 

When I enabled the encryption key on my wireless access point with à 128b WEP it's impossible to connect to it.

If I need to connect to the same wifi access with an ancryption key (WEP 128b) it's impossible :-( I receved the message that the laptop cannot get an IP Adress. 

The same laptop under Windows can connect to the same wireless acces point with encryption key enable ou disable (WEP 128b)


The result when Encryption key is off and the laptop is connect.

[root@localhost ~]# iwlist wlan0 scan
wlan0     Scan completed :
          Cell 01 - Address: 00:01:02:(change by me)
                    ESSID:"Borne Wifi"
                    Protocol:IEEE 802.11g
                    Mode:Managed
                    Frequency:2.437 GHz (Channel 6)
                    Quality:93/100  Signal level:-36 dBm  Noise level:-96 dBm
                    Encryption key:off
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 6 Mb/s; 9 Mb/s
                              11 Mb/s; 12 Mb/s; 18 Mb/s
                    Extra:bcn_int=100
                    Extra:atim=0

[root@localhost ~]#

[root@localhost ~]# iwconfig wlan0
wlan0     IEEE 802.11g  ESSID:"Borne Wifi"
          Mode:Managed  Frequency:2.437 GHz  Access Point: 00:02:03:(change by me)
          Bit Rate:48 Mb/s
          RTS thr:1600 B   Fragment thr:1600 B
          Encryption key:off
          Power Management:off
          Link Quality:98/100  Signal level:-33 dBm  Noise level:-96 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0

[root@localhost ~]#


Any help ? 
Best Regards. 
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