On the first point, Rambus argued the two chip makers conspired to keep Rambus RDRAM prices high while artificially keeping their SDRAM prices low. Micron and Hynix countered that high RDRAM prices were due to technical problems of the design. On the second point, an Intel manager testified that Rambus contract stipulations soured the relationship. The clause that Rambus insisted and would not waive was that to use Rambus RDRAM, Intel had to agree to give Rambus the ability to block Intel processors if Rambus felt Intel was not promoting RDRAM sufficiently.
Rambus initiated the suit and the $4B was how much Rambus calculated it lost in profits. The trial started in June.