Hyper-threading, Execute disable bit, Limit cpuid maximum – ADLINK iSeries Monitor 18/21 User Manual

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BIOS Setup

TPZ-1300

And settings for

Hyper-Threading

Enabled for Windows XP and Linux (OS is optimized for Hyper-
Threading Technology) and disabled for other OS (OS not opti-
mized for Hyper-Threading Technology).

Execute Disable Bit

Enabled in XP, can prevent certain classes of malicious buffer
overflow attacks when combined with a supporting OS.

Limit CPUID Maximum

Disabled for Windows XP.