° Enabling Execute Disable Bit functionality requires a PC with a processor with Execute Disable Bit capability and a supporting operating system. Check with your PC manufacturer on whether your system delivers Execute Disable Bit functionality.

Δ Intel® processor numbers are not a measure of performance. Processor numbers differentiate features within each processor family, not across different processor families. See www.intel.com/products/processor_number/ for details.

± Intel® 64 architecture requires a computer system with a processor, chipset, BIOS, enabling software and/or operating system, device drivers and applications enabled for this feature. Performance will vary depending on your configuration. Contact your vendor for more information.