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Mellanox Technologies
Appendix A: Finding the GUID/MAC and Serial Number on
the Adapter Card
Each Mellanox adapter card has a different identifier printed on the label: serial number and the
card MAC for the Ethernet protocol and the card GUID for the InfiniBand protocol. VPI cards
have both a GUID and a MAC (derived from the GUID).
Figure 5: MCX555A-ECAT Board Label (Example)
Figure 6: MCX556A-ECAT Board Label (Example)
The revision indicated on the labels in the following figures do not necessarily represent the
latest revision of the card.