I hold L and R to do those tests and these are the results:
First one:
Test SRAM
SRAM ok!
Second one:
Test sdram
sdram ok!
Third one:
Test flash
flash id error: 00b9 0000c2ba
flash ok!
Fourth one:
Test SD/MMC
SD /MMC ok!
not find test file
Fifth one:
Now SC Version:1.85
When I boot reguarly it...