Patent ID: 6934158

Claim:
A cabinet, comprising: a plurality of rack mountable chassis, (A) a first one of such chassis having: (i) a memory disposed on a memory printed circuit board; (ii) a plurality of directors for controlling data transfer between a host computer/server and a bank of disk drives as such data passes through the memory; (a) a first portion of the plurality of directors being disposed on a first director printed circuit board; (b) a second portion of the plurality of directors being disposed on a second director printed circuit board; (c) a backplane, the first director printed circuit board and the second director printed circuit board being disposed in an overlaying relationship, one end of the first director printed circuit board and one end of the second director printed circuit board being plugged into one side of the backplane, the memory printed circuit board being plugged into an opposite side of the backplane; (d) wherein the first director printed circuit board and the second director printed circuit board are disposed in a back-to-back overlaying relationship; (B) a second one of such chassis having a plurality of disk drives, such disk drives being plugged into a surface of a disk drive printed circuit board; (C) electrical conductors for connecting the disk drives in the second chassis to the plurality of directors in the first chassis.