Patent ID: 8045340

Claim:
A data processing system having a main board, said main board comprising: a first multipoint connector, wherein a first riser card is accommodated in the first multipoint connector, and a first daughter card is accommodated in the first riser card such that the first daughter card is arranged parallel to the main board; and a second multipoint connector, wherein a second riser card is accommodated in the second multipoint connector, and a second daughter card is accommodated in the second riser card such that the second daughter card is arranged parallel to the main board, wherein the first multipoint connector and the second multipoint connector are arranged on respective opposite outer sides of the main board, wherein each daughter card has a respective I/O interface, wherein the I/O interfaces of the first and second daughter cards, respectively, cooperate with a common rear panel and are pointed towards the common rear panel, and wherein relative to the second daughter card, and the first daughter card is arranged rotated 180° about an axis running parallel to the main board.