A method for selecting options for a virtual machine in a data processing system. In a first embodiment the connectors are elongated with introversions at both ends, in a second embodiment a connector also forms a spacer and is provided at one end with an introversion and at another end with a projection in the form of a seed. The method may further include transmitting, in the first time slot in the first series of time slots, a first data sequence to the control unit. The buffer member is positioned between the first and second fixing caps for reducing shock produced in operation. These advantages are achieved through the use of several flags, and a map to correlate a logical block address of a block to a physical address of that block. Also described is a contraceptive kit that may be used to practice the method of the invention.