Problem with repo in Fedora 14

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Hi, I'm new here. It's neccessary for me to use Fedora14 for working with NetFPGA xilinx virtex 5 I've following the guildeline but i can't update repo i used many command like yum update, yum upgrade, yum repolist however, it always show

[root@Ajanvara ~]# yum repolist Loaded plugins: langpacks, presto, refresh-packagekit Adding en US to language list https://dl.fedoraproject.org/pub/arch... 64/os/repodata/repomd.xml: [Errno 14] PYCURL ERROR 6 - "" Trying other mirror. repo id status dl.fedoraproject.orgpubarchivefedoralinuxreleases14Everythingx8664os_ 0 repolist: 0 [root@Ajanvara ~]# yum check Loaded plugins: langpacks, presto, refresh-packagekit Adding enUS to language list check all [root@Ajanvara ~]# yum update Loaded plugins: langpacks, presto, refresh-packagekit Adding en US to language list https://dl.fedoraproject.org/pub/arch... 64/os/repodata/repomd.xml: [Errno 14] PYCURL ERROR 6 - "" Trying other mirror. Error: Cannot retrieve repository metadata (repomd.xml) for repository: dl.fedoraproject.orgpubarchivefedoralinuxreleases14Everythingx8664os. Please verify its path and try again [root@Ajanvara ~]# yum upgrade Loaded plugins: langpacks, presto, refresh-packagekit Adding en US to language list https://dl.fedoraproject.org/pub/arch... 64/os/repodata/repomd.xml: [Errno 14] PYCURL ERROR 6 - "" Trying other mirror. Error: Cannot retrieve repository metadata (repomd.xml) for repository: dl.fedoraproject.orgpubarchivefedoralinuxreleases14Everythingx8664os_. Please verify its path and try again

besides, i've checked in /etc/yum.repos.d it shown only repo.disabled , packagekit-media.repo, dl.fedoraproject.orgpubarchivefedoralinuxreleases14Everythingx8664os_.repo just only 3 files avaliable in folder. no fedora.repo no fedora.update

how can i solve this ? any mirror of repo i can use ?

Thanks