... PCI bus, PnP4-axis servo/stepper motor control; each axis can control independentlyThe frequency error of pulse input is less than 0.1 ... : -2,147,483,648~+2,147,483,647Offer many kinds of control modes such as quantitative motion, continuous motion, back-to-home ... to 16 motion cards can be used in one system, control 64 axisSupport operating systems: DOS, WINDOWS95/98/NT/2000/XP ...