IBASE IB980 - Manual (Page 39)

BIOS SETUP
IB980 User’s Manual
37
Active Processor Cores
Number of cores to enable in each processor package.
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 (Windows Server 2003 SP1, Windows
XP SP2, SuSE Linux 9.2, Re33dHat Enterprise 3 Update 3.)
Intel Virtualization Technology
When enabled, a VMM can utilize the additional hardware capabilities
provided by Vanderpool Technology.
Hardware Prefetcher
To turn on/off the Mid level Cache (L2) streamer Prefetcher.
Adjacent Cache Line Prefetch
To turn on/off prefetching of adjacent cache lines.
EIST
Enabled/Disabled Intel Speedstep
Intel TXT(LT) Support
Enables or Disables Intel (R)TXT (LT) Support.