Fujitsu Lifebook T4210 Bios Manual page 17

Table 9: Fields, Options and Defaults for the CPU Features Submenu of the Advanced Menu
Menu Field Options
XD Bit ■ Disabled
■ Enabled
functionality:
Default Description
[Enabled] Allows the user to enable and disable the Execute Disable Bit
functionality. Execute Disable Bit allows the processor to classify
areas in memory where application code can and cannot
execute. In the event an internet worm attempts to insert code
in the buffer, the processor disables code execution to prevent
damage or worm propagation.
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