Determine ESXi 5.0 Edition

Hi,

I have installed ESXi 5.0 on HP BL 460 gen8 server, Media used:Vmware-ESXi-5.0.0-Update2-914586-HP-5.27.20 , My query is how can i determine if i have installed Enterprise or Standard Edition, as we have license for Enterprise Edition.

Thanks

Investo