A hard disk system for storing user data for an information device. The hard disk system includes a non-volatile, IC based memory such as e.g., a memory utilizing MRAM, to non volatilely store system data for the hard disk. Examples of system data include a master list, a list of unused sectors, and...http://www.google.com/patents/US20040042111?utm_source=gb-gplus-sharePatent US20040042111 - Hard disk system with non-volatile IC based memory for storing data
