错误寄存器
BBK(Bad block detected):坏扇区 UNC(uncorrectable data error):ECC错误; MC(media change):介质改变; IDNF(ID not found):ID没找到; MCR(media change requested):介质改变请求; ABRT(abouted command):命令放弃; TKONF(track 0 not found):0磁道错; AMNF(address mark not found):地址标志没找到。