Are you sure you're flashing the chip correctly? Yes. First I've deleted the chip and verify it. Later I wrote the chip and verified with the software itself. Later I've read the chip and save in a file and compare the both files having clear that the bios is the same like I've writed. the strange is after the first try to boot the NAS If I read the chip, the content alwby jarugut - uBoot
Thank you a lot Superchromix, I've tried with your Bios file, it's little different of mine but it's neither works in my nas. It's strange because after first try boot without luck when I've check the bios again it seems like the synology lock the winbond chip, I've need to unlock with the neoprammer software to write again the bios. I'm starting to thinkby jarugut - uBoot