Superboot, u-boot and sd-flasher

Hello,

few and precise questions:

1) what do they do exactly superboot and u-boot? I mean when and why they
should be used together? To boot debian, for example, do I need u-boot or
superboot is enough?

2) Under Win7 64-bit I can successfully relayout any SD card. But I can
only fuse the superboot-20110405.bin (for 6140). Any other superboot
version (e.g. Superboot210.bin for my 210s) will fail with a cyclic
redundancy error. Any idea?

3) I tried to manually dd the bin files to the first sector of the second
partition and to put the images tree under the first partition (fat32). No
chance to flash the nand. Just a single beep followed by a high and steady
pitch. No messages on the serial port.

The documentation is poor but clear enough. I wonder what tools we have to
debug and find out what's wrong if it doesn't work?

Hi,

u-boot and superboot are bootloaders, they don't work together as they have
the same functionality.

u-boot is opensource, as far as i understood Superboot is not.


Every bootloader needs to be adapted to boot the specific target as they
can have some diversity(other flash ,.... )

I have no experience with debian.