Hi,
Thanks for your reply.
Yes, I did see them as I even verified the block size.
Now I redid the split and join. The result is the same.
I re-read the memory 3 times, all have diff when verifying:
For 1st read,
diff: 013da000
diff: 10b7b000
For 2nd read,
diff: 10b7b000
diff: 122af000...