About the rom size ??

[leonllw]

task 28
DOCInfoTableinitHW+
Binary0 Size: 0x100000
FAT0 Size: 0x4000000
FAT1 Size: 0xA00000
FAT2 Size: 0x2A70000 //0x2C70000
All Size: 0x7570000 //0x7770000
FAT0_ADDR=0x100000,FAT1_ADDR=0x4100000,FAT2_ADDR=0 x4B00000
USB>

and runing RUU got a error message :Error 112 !!
Why and How ??

Thanks !!