A method and apparatus for organizing memory for a computer system including a plurality of memory devices 2, 3, connected to a logic device 1, particularly a memory system having a plurality of stacked memory dice connected to a logic die, with the logic device 1 having capability to analyze and compensate for differing delays to the stacked devices 2,3,4,5 stacking multiple dice divided into partitions serviced by multiple buses 21,22 connected to a logic die 1, to increase throughput between the devices 2,3 and logic 1 device allowing large scale integration of memory with self-healing capability.