Please press Enter to activate this console. mmc0: new high speed SDHC card at a
ddress 0529
mmcblk0: mmc0:0529 SE08G 7.28 GiB
mmcblk0: retrying using single block read
mmcblk0: error -84 transferring data, sector 0, nr 8, card status 0x900
end_request: I/O error, dev mmcblk0, sector 0
mmcblk0: error -84 transferring data, sector 1, nr 7, card status 0x900
end_request: I/O error, dev mmcblk0, sector 1
mmcblk0: error -84 transferring data, sector 2, nr 6, card status 0x900
end_request: I/O error, dev mmcblk0, sector 2
mmcblk0: error -84 transferring data, sector 3, nr 5, card status 0x900
end_request: I/O error, dev mmcblk0, sector 3
mmcblk0: error -84 transferring data, sector 4, nr 4, card status 0x900
end_request: I/O error, dev mmcblk0, sector 4
mmcblk0: error -84 transferring data, sector 5, nr 3, card status 0x900
end_request: I/O error, dev mmcblk0, sector 5
mmcblk0: error -84 transferring data, sector 6, nr 2, card status 0x900
end_request: I/O error, dev mmcblk0, sector 6
one_wire_status: 2
mmcblk0: error -84 transferring data, sector 7, nr 1, card status 0x900
end_request: I/O error, dev mmcblk0, sector 7
Buffer I/O error on device mmcblk0, logical block 0
mmcblk0: retrying using single block read

可能是正在使用过程中拨出了SD卡

没呀  一直都插在SD插槽中  在终端打完这几行信息 就不显示别的信息了   板子上的显示屏一直都是白屏  求指教  谢谢了

安装系统不应该显示这些信息，你可能是没有拨S2开关

拨S2开关后  从SD卡启动安装  开发板一直白屏  没反应哦

从SD卡启动安装  开发板一直白屏
----

证明SD卡里没有软件，也就是你没有用SD-FLASHER将SUPERBOOT烧进SD卡中，
可参考一下用户手册