使用6410开发板光盘里的images：u-boot_sd-ram256.bin烧写到ＳＤ卡里时，启动结果出错，提示NAND: No NAND device found!!!
详见如下：
U-Boot 1.1.6 (Dec 29 2013 - 01:30:28) for FriendlyARM MINI6410
CPU: S3C6410@532MHz
Fclk = 532MHz, Hclk = 133MHz, Pclk = 66MHz, Serial = CLKUART (SYNC Mode)
Board: MINI6410
DRAM: 256 MB
Flash: 0 kB
NAND: No NAND device found!!!
0 MB
MMC: 1901 MB
In: serial
Out: serial
Err: serial
MAC: 08:90:90:90:90:90
##### FriendlyARM U-Boot(2011-10, SD) for 6410 #####
[f] Format the nand flash
[v] Download u-boot.bin
[k] Download Linux/Android kernel
[y] Download root yaffs2 image
Download root ubifs image
[a] Download Absolute User Application
[n] Download Nboot.nb0 for WinCE
[w] Download WinCE NK.nb0
[s] Set the boot parameter of Linux
Boot Linux
[q] Quit to shell
NAND(MLC2): 0 MiB, RAM: 256 MiB
LCD type, firmware version: 14 1127
而使用使用6410开发板光盘里的images：superboot-6410.bin烧写到ＳＤ卡里时，启动结果正常，如下：
