Beneath the legitimate circuitry, printed in conductive ink usually reserved for touchscreens, was a map. A topographical map of a server farm that hadn't existed on the public net for twenty years. The 'Top' view of the board was actually a geographic layout.

: 1x SATA 3.0 (6Gb/s) for 2.5" drives and 1x mSATA slot for SSDs. Networking

If you are examining the MV-4 boardview for repairs, you are likely troubleshooting one of three common failure modes specific to this platform.