Your video looks fake... [url=http://www.youtube.com/watch?feature=player_detailpage&v=vne_HASGWCY#t=48 s]IMG 0545 - YouTube[/url] check the icon... why does it look like a frikking USB memory? it's supposed to look like a console... similar to what's on BigBlock jaspers, i can't find any picture on the web to share with you guys, but i asked the pusher to check this for me, coz i don't have a 4GB slim around... he showed me a picture but then went offline so i couldn't send it... maybe you can post it here for the others to see aswell the pusher?
i'm not going to investigate this any further seeing as there is no need, the dump is 16MB, the dump you sent me is missing 1 byte, because it was dumped by a progskeet, maybe something funky with your soldering? maybe the chip? maybe software? i don't know... but the fact that it's missing 1 byte makes the offsets wrong for just about everything... the header is fine, which is in the first page... so i believe the missing byte is somewhere between page 1 and 64, also when i added that 1 byte i had 19 ECC errors when i checked the nand, this means your dump is seriously bad... redo it properly...
** edit: **
Razkar made me a picture aswell and you can see it here, compare this picture which is from a 4GB Trinity with the one in the video... it's in no way logical that Microsoft changed the icon between Trinity and Corona, and all other evidence suggests that this really just is a 16MB Corona with a USB memory which has been formatted by the console as a Memory Unit... the picture:
https://dl.dropbox.com/u/43280539/rghpics/trinitymu.JPG now, in this picture you also see a USB memory... see the difference? ;)