Lot of bad blocks and other issues

Hi,

Though the Mini2440 board had seemed to be 
quite useful, I am finding couple of difficulties
getting familiar with it.

First of all the "create partition" command 
is displaying a lot of bad blocks.
This is a fresh board and I had atleast 
50 bad block logs. (log attached)
Is this normal?

The LCD test in 2440Test was not displaying
anything. What may be the reason?

The manual that was shipped to me was 
for BIOS I though the BIOS in my board
was version 2.0. The WinCE install instructions
appearing there were not working.
Anyway after getting the correct sequence 
of steps the OS seems to have been loaded 
but no display comes up.
Any ideas?

All in all I am pretty frustrated with the
board that got shipped to me from a company
called Rhydolabz in india.
ANY HELP WOULD BE GREATLY APPRECIATED.

Shantanu

It seems that many of the problems are due to 
improper documentation.

For the 2440 test I had used
the 2440test_L35.bin but when I
now used the the 2440test_T35.bin it
got resolved.

For the CE the same thing applies.
I had to use the T35 suffix of the
binary images.
ie : nboot_t35.bin and nk_T35_english.bin

However the bad block question still remains.

What size of NAND flash?

Some so-called bad blocks are actually reserved blocks. I have 4 of them in
a 64M device.

Maybe, when everybody knows what your flash size is someone could advise
you in more detail.

A search for <bad blocks NAND> on Wikipedia will be informative.

hi,

i have purchased the board from a thailand supplier and i am also having
the same problem . My nand flash size is 128mb. according to the supplier
it is not unusual.

kindly confirm , is it normal?

Bad blocks can also occur if the 5V power supply is not okay.

Rgds,
Andreas

My company imported 10 nos mini2440 from china, and we also got lot of bad
blocks in all boards .I think it is common.  Normally , the os will take
care of it by creating Bad block table ,and we did not faced any problem
with it.