A method, system, and computer program product in a logical partitioned data processing system are disclosed for providing a host bridge that implements extended error handling. The account holder has an account that is associated with respective account information. The cooling unit includes a cooling medium blower for blowing a cooling medium around the electronic device and heat exchange projections or depressions for raising the cooling efficiency by blowing a cooling medium. The slip determiner samples an amount or rate of change of the torques detected by the torque detector in every predetermined period, to sequentially compare the amount or rate of change of the torques in a prior predetermined period with that in a subsequent predetermined period, and to determine whether or not the latter amount or rate is smaller than the former amount or rate. A method of magnifying an image is also provided.