Introduction - If you have any usage issues, please Google them yourself
When an EK running this program connected to a host (PC for example), with USB cable, the EK appears as a USB Disk for the host. Then the host can format/read/write on the disk.
If there is SDRAM on the EK, the disk can be up to 10M so that read/write speed can be tested.
If there is no SDRAM but only internal flash, the disk is about 30K and only small file can be tested.