Ethernet Problem with x86_64 Relase

[M@zu&Go!]

Hi all
this is my first post inside this forum.
I have a ASUS A8N-SLI PREMIUM motherboard with two ethernet ports. I've tried to install Ubuntu 8.10 x86_64 version, but no ethernet card was detected and no lan connection was achieved.
Using Ubuntu 8.10 i386 version, i had no problem and the whole system installation ends successfully.
I had the same problems with Debian amd64 and OpenSuse 11 x86_64.
What have I to do?
Thank you very much for your help!

[theravenproject]

Hey, interesting-I had this problem with Backtrack 2, 3, FreeBSD, Hex, and A couple other Live Pen-Test distro's and wasn't able to get answered...Let me know if you get this solved and what steps you took 'cos I'd really like to try and get BT3/Other Pen-Test distro running...I have a gigabyte X-48 mobo DDR3 Mem with Realtek Dual gigabit ethernet; something about these new high end mobo's must be or just the dualies?

[M@zu&Go!]

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[M@zu&Go!]

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