1. An apparatus, comprising: a number of memory devices; and a host controller coupled to the number of memory devices; wherein the host controller is configured to locate a number of commands stored in memory associated with a host system using a pointer that is stored in a register in the host controller, wherein the host controller transmits the number of commands to the number of memory devices, wherein the number of commands are based on device class dependent information stored in the memory associated with the host system; and wherein the number of memory devices execute the number of commands with a memory device controller on the number of memory devices.