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Table A-3 Computer Setup—Power (continued)
XD Disables/enables XD (eXecute Disable) bit.
NOTE: The XD bit is a technology used in to separate areas of memory for use by either storage
of processor instructions or code or for storage of data. Memory designated with the NX attribute
may only be used for storing data. Processor instructions should not reside and cannot be
executed there. This technology is used to prevent buffer overflow attacks – malicious software
that takes over computers by inserting code into another program's data storage area and running
that code.
S5 Maximum Power
Savings
Disables/enables the S5 power setting. Enabling this setting enables the EuP Lot6 power
specification of 1 Watt in S5 mode. This setting disable various system board components to
reduce power consumption.
56 Appendix A Computer (F10) Setup