For those within the security industry you may want to buy a new motherboard, as Intel has added two new features to the CPU instruction set that are only supported by a new revision of the Intel 5520 motherboard chipset. On going to print these mainboards are now readily available from most good suppliers. These new instructions, AES (Advanced Encryption Standard) and TXT (Trusted Execution Technology) offer increased data encryption and better protection against malware by running applications in their own memory space. However for current users do not despair as with a simple bios upgrade, the CPU is a drop in upgrade as we have completed it here on two mainboards and the performance WHOW