Intel® Ethernet Network Adapters for Open Compute Project (OCP*) are the supported adapters to be used with the Intel® Server Board M50CYP2SB1U
Unable to locate if a NIC is present on the Intel® Server Board M50CYP2SB1U
From the following link Technical Product Specification for the Intel® Server System M50CYP1UR Family
We can verify that the section named Server Board Features shows in figure named Intel® Server Board M50CYP2SBSTD Component / Feature Identification that no NIC is present on the board, Serial Port A and Remote Management Port are present instead and no presence of NIC is shown, additionally the OCPv3 Adapter Connector is shown:
The following link shows the information about how to remove/install this type of device:
Integration and Service Guide for the Intel® Server System M50CYP1UR Family
See section named Ethernet Network Adapter for OCP* – Installation / Removal