Note
If you think that you have the correct System Controller (SC) SD Image then this section can be skipped.
ES Silicon
The image and instructions to write to the SC SD card can be downloaded from the VCK190 headstart lounge.
SC SD Image: https://www.xilinx.com/member/vck190_headstart/Board_Framework_Phase1Beta_V1.02_wVadj.img.zip
Instructions: https://www.xilinx.com/member/vck190_headstart/Update_System_Controller_uSD_Card_Instructions.pdf
Production Silicon
The image (Beta 2.1) and instructions to write to SC SD card are avaialble on the Beam Tool page