Quick Start How To Power on the board and go to U-Boot prompt Short-press SW8 “Power” to switch the board on. Then you should see the following output in the terminal: Flashing firmware In case of DDR 4GiB board 1 2 RTP0RC77951SKBX010SA00 RTP0RC77951SKBX010SA01 Filename Program Top Address Flash Save Address Description bootparam_sa0.srec 0xE6320000 0x000000 Loader(Boot parameter) bl2-h3ulcb.srec 0xE6304000 0x040000 Loader cert_header_sa6.