Intel has officially released their first chips with the Execute Disable security feature. This feature prevents your PC from getting virus and trojan horses with you use the latest SP2 for Windows XP or SP1 for Windows 2003 Server. The models with this feature are identified with the "J" letter. On the Pentium 4 socket 775 product line, the released models are the following:520J (2.8 GHz), 530J (3 GHz), 540J (3.2 GHz), 550J (3.4 GHz) and 560J (3.6 GHz). All have 800 MHz FSB and 1 MB L2 cache. The first socket 775 Celeron D models (533 MHz FSB and 256 KB L2 cache) also have this feature: 325J (2.53 GHz), 330J (2.66 GHz), 335J (2.8 GHz) and 340J (2.93 GHz).

Originally at http://www.hardwaresecrets.com/news/16

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