NEC A1160 - Manual (Page 40)

Cell Interconnect and Multiple Cell Systems
3-2
A cell can be connected together with up to three other cells to create a multiple-cell
system. > shows a system made up of two cells (eight processor sockets). The two cells
are connected together with two interconnect cables. > shows a system made up of four
cells (16 processor sockets). Systems with four cells require six interconnect cables.
Systems with three cells are also possible.
Figure 3-2 System with Two Cells
Figure 3-3 System with Four Cells