A substitute serial advanced technology attachment host is provided to communicate with a SATA device for facilitating communication with the SATA device even when a status flag of the SATA device indicates that the SATA device is busy. The crystallization temperatures of the first and second recording layers, Tx1 and Tx2 have the relationship Tx1<Tx2. The layout of the computer equipment racks is automatically determined from the positions of the temperature sensors, and a representation of the layout of the computer equipment racks is electronically stored or displayed. The first damping layer comprises a first polymeric material and the first tape loading layer comprises a second polymeric material.