[Elphel-support] how do I reflash the camera via netboot mode?

[Ákos Maróy]

Andrey,

> Yes this is consistent with what would happen with the board if you
> really twist it (trying to solve the problem that turned out to have
> nothing to do with the camera itself)  - some of the pads on the chips
> got pulled off from the board and now the contact is only occasional -
> when they touch each other. If it is just the ball(s), not the traces -
> we might be able to repair the board by running it through reflow oven.
> 
> Meanwhile (as you will be away from your place and can not receive the
> replacement board during that time)  if the camera sometimes works, you
> may try to temporary repair it. From the image the problem is ion the
> ball contacts of one of the two chips - on the image
> http://wiki.elphel.com/images/3/38/10353top.jpeg (it is previous
> revision, but similar) you can see FPGA on the right side by the
> connector (large, square) and the video memory - rectangle right above
> it. Most likely the problem is with the memory - when you twisted the
> board it got more stress as it is near the board edge. You may try to
> put a piece of plastic on top of the memory chip and then wrap the board
> with a thread, so that plastic piece would push the chip to the board.
> It may still be the FPGA chip, because the connection in data lines
> between the two is broken, and it is only my guess that it is under the
> memory.

thanks - I'll give it a shot.

OTOH, as now the camera seems stable, I might not touch it, to be on the
safe side :)


Akos