You download link is correct. The latest version now is 2013_sp1.0.080. According to the relase notes, only these linux distributions are officially supported.
- Fedora* 18,19
- Red Hat Enterprise Linux* 5, 6
- SUSE LINUX Enterprise Server* 10, 11 SP2
- Ubuntu* 12.04 LTS, 13.04
- Debian* 6.0, 7.0
However the OS support is often a optional pre-request. You should be able to continue the following installation by choosing to ignore it.
On the other hand, the second link you provided seems published on 2011. You could go to Intel forum for updates.