天猫魔盒TMB100a TTL救砖成功（修复Nand坏块）

winjie0618

执行坏块擦除，出这个提示怎么办？只是一部分
nandnormal: MTD Erase failure: -5 1c00000
invalid nand env magic: e8000
invalid nand env magic: ea000
invalid nand env magic: ec000
invalid nand env magic: ee000
invalid nand env magic: f0000
invalid nand env magic: f2000
invalid nand env magic: f4000
invalid nand env magic: f6000
nand_do_write_ops: Device is write protected
blk check good but write failed: f8000, -5
update nand env FAILED!
update env bbt failed 1
update env bbt failed 14
nand_do_write_ops: Device is write protected
bad block mark faile: 1c00000

还有楼主能研究怎么从内存卡启动系统吗？就是把内存卡里放进系统进去，之后启动卡上的系统