Help with nand u-boot environment

[Nikita V. Youshchenko]

> One more question: if I use a menu item like this:
>
> setenv menu_1 Boot from microSD (2008.12): setenv rootfstype=ext2
> root=/dev/mmcblk0p2 \; mmcinit\; fatload mmc 1 0x32000000 uImage.bin\;
> bootm 0x32000000
>
> and then "run menu_1" I always (even if booting the kernel has success)
> see on the console an error:
>
> Unknown command 'Boot' - try 'help'

'run var' just means 'execute string stored in var as a u-boot command'. 
And that is exactly what it does.