PCIe Passthrough to VM

Hi All,

Currently using VMware ESXi 5.0.0 and trying to configure Pcie passthrogh to Virtual Machine installed in ESXi.

Steps Followed:

1. Installed Windows server 2008 Virtual Machine.
2. Enabled PCie Passthrogh in Esxi. Configuration-> Advance settings .
3. Rebooted ESXi.
4. VM edit settings-> Add device-> Pcie device and powered ON VM.
5. Installed Pcie driver successfully.

But i am unable to find device in disk manager. Could you please help me to configure Pcie passthrough to Virtual machine.

Thanks in advance.

Venkatesh