A display device and a driving method thereof are disclosed. A system includes a storage medium, a first table including entries which map a virtual address to locations in the storage medium, and a second table with entries which include a reverse mapping of a physical address in a data storage medium to one or more virtual addresses. The tool fixture according to the invention permits even large and heavy driven tools with high demands on stiffness and repeatability with respect to radial and axial runout and quality of balance to be changed with little time expenditure.