IBASE IB908 - Manual (Page 36)

BIOS SETUP
32 IB908F User’s Manual
Limit CPUID Maximum
Disabled for Windows XP.
Execute Disable Bit
XD can prevent certain classes of malicious buffer overflow attacks when
combined with a supporting OS
Intel Virtualization Technology
When enabled, a VMM can utilize the additional hardware capabilities
provided by Vanderpool Technology.
CPU AES
Enabled/Disabled CPU Advanced Encryption Standard instructions
EIST
Enabled/Disabled Intel Speedstep.