1. An embedded multi-media card (e-MMC) memory to couple to a host, the e-MMC memory comprising: a first interface controller and a second interface controller, the first interface controller configured to be aware of the existence of the second interface controller and the second interface controller configured not to be aware of the first interface controller; and a NAND Flash coupled to the first interface controller and a Phase-Change Memory (PCM) coupled to the second interface controller to reconfigure partitions according to the host.