May or may not fit inside Computer, sold not for any specific purpose."Offset" board can have e.g. round pin header on bottom, socket on top.The riser board has 4 sets of holes for dip-64, two of which are next to each other.Round pin header on bottom to plug to socket. Socket or other dip 64 on top.Riser board has copper fill, which ca be connected to ground. (Solder bridge possibility for 68000 ground connection, shown in picture, when dip orientation as by silkscreen.) also capacitor between gnd and +5vThe riser board can be flipped/rotated, and possible ground connections can be determined by 68000 gnd pins location.