It removed by saying whether BGA can be
removed or what the reverse side of BGA has become.
The green board portion of BGA is a print base, and is
attached in the mother board with the solder ball.
Solder was cleaned and scan was carried out with the
scanner.
Moreover, only 440 BX was broken. Since it removed
forcibly, the substrate has been turned over.
As for 440BXs or PIIX4 (south), a substrate pattern
changes with the lots.
The difference in the delicate pattern by BX, GX, and
the difference in a lot is interesting.
Since there is 150-400 K bytes of size although a big
picture is displayed when a picture is clicked, please
be careful. |