Which 12.04 download should I choose for x86 based pc (32-bit) with an AMD processor?

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http://askubuntu.com – The ubuntu-12.04-desktop-i386.iso will not work with my processor. I tried to run it from my Live USB stick and a message appears this cannot be installed with your processor. Which alternative download should I choose for an x86 based PC with a x86 Family 6 Model 6 Stepping 2 authentic AMD processor running at 1254 Mhz? Proceeding to the alternative versions, I am given the following options: ubuntu-12.04-alternate-amd64.iso.torrent ubuntu-12.04-alternate-i386.iso.torrent ubuntu-12.04-desktop-amd64.iso.torrent ubuntu-12.04-desktop-i386.iso.torrent ubuntu-12.04-server-amd64.iso.torrent ubu (HowTos)