Acqutek's Industrial Control products are designed to overcome these limitations and provide a convenient way to solve industrial control needs using backplane technology (allowing processors and memory to be changed like adapter cards). The CPU cards offer a modular computer capability that is easily up/down-gradable. By simply plugging a CPU card into a passive backplane, one has a fully functional computer with options that a user can change instantly. Acqutek's Backplanes are based on the ISA and PCI bus structure. The cards vary in type and number of slot