Precision T5810 and Xeon Phi 3120A (mic)

Dear all,

Could someone please tell me if this machine is compatible with this model of Xeon Phi?

We bought a workstation based on this list:
www.intel.com/.../xeon-phi-coprocessor-where-to-buy-explore-jesse.html

Once installed the card does not appear in 'lspci'

Thanks in advance!

Menotti