裸奔三部曲第0章，配置问题请教

按照《裸奔三部曲第0章》，连接到开发板后，却没有下面内容的出现，请教是怎么回事？

#####    Boot for Nor Flash Main Menu   #####
[1] Download u-boot or STEPLDR.nb1 or other bootloader to Nand Flash
[2] Download Eboot to Nand Flash
[3] Download Linux Kernel to Nand Flash
[5] Download CRAMFS image to Nand Flash
[6] Download YAFFS image to Nand Flash
[7] Download Program (uCOS-II or TQ2440_Test) to SDRAM and Run it
[8] Boot the system
[9] Format the Nand Flash
[0] Set the boot parameters
[a] Download User Program (eg: uCOS-II or TQ2440_Test)
[b] Download LOGO Picture (.bin) to Nand  Flash
[l] Set LCD Parameters
[o] Download u-boot to Nor Flash
[r] Reboot u-boot
[t] Test Linux Image (zImage)
[q] quit from menu
Enter your selection:

没有选择从Nor Flash启动。。

选择了，但是没有啊

3# wangweina27


从nand 启动然后按住可个键呢？有什么信息？

问题解决了，是串口线质量的问题，换一个串口线就行了。

5# wangweina27

嗯......

楼主一年前你遇到这个问题，如今我也遇到这个问题了，但是不是串口线的问题，帮小弟解决一下，不胜感激！

3# wangweina27

我按照《裸奔三部曲第0章》，连接到开发板TQ2440后，却没有下面内容的出现，请教是怎么回事？刚刚接触。
#####    Boot for Nor Flash Main Menu   #####
[1] Download u-boot or STEPLDR.nb1 or other bootloader to Nand Flash
[2] Download Eboot to Nand Flash
[3] Download Linux Kernel to Nand Flash
[5] Download CRAMFS image to Nand Flash
[6] Download YAFFS image to Nand Flash
[7] Download Program (uCOS-II or TQ2440_Test) to SDRAM and Run it
[8] Boot the system
[9] Format the Nand Flash
[0] Set the boot parameters
[a] Download User Program (eg: uCOS-II or TQ2440_Test)
Download LOGO Picture (.bin) to Nand  Flash
[l] Set LCD Parameters
[o] Download u-boot to Nor Flash
[r] Reboot u-boot
[t] Test Linux Image (zImage)
[q] quit from menu
Enter your selection: