How can I install a driver for an Intel 82573 Gigabit ethernet card?

Question

I recently installed Ubuntu 12.04 on my computer, The only problem so far is there is no Internet connection. I believe that's due to missing drivers which are difficult to install without Internet. So I am hoping some one can help me find the drivers I need and give me some tips on installing the drivers.

The Motherboard is an Intel® D975XBX2 and the Ethernet is a Intel® 82573E/82573L Gigabit Ethernet Controller

I tried installing the Linux drivers from here.
Except when I tried to run rpmbuild, like I was told to do in the readme it said it wasn't installed.

Answer 1

This guide is a little old, but your card may be a mess made by Intel and never fixed: http://thesorcerer.wordpress.com/2011/07/01/guide-intel-82573l-gigabit-ethernet-with-ubuntu-11-04-and-fix-pxe-e05/