Intel® SoC FPGA Embedded Development Suite (SoC EDS)
Design Configuration Tools
This utility allows you to update the Preloader and/or Bootloader on a physical SD card or a disk image file. The Preloader is typically stored in a custom partition (with type = 0xA2) on the SD card. This utility is done in Embedded Command Shell. Type alt-boot-disk-util --help for usage details.