User guide

ECM-QB User’s Manual
ECM-QB User’s Manual 41
3.6.2.3 CPU Configuration
Use the CPU configuration menu to view detailed CPU specification and configure the
CPU.
Item
Options
Description
Intel SpeedStep
Disabled
Enabled
Enable or Disable Intel ® SpeedStep ™
Hyper-Threading
Disabled
Enabled
Enable for Windows XP and Linux (OS
optimized for Hyper-Threading
Technology) and Disabled for other OS
(OS not optimized for Hyper-Threading
Technology)
Core-Multi Processing
Disabled
Enabled
Enable or Disable Core-Multi processing
mode
Execute Disable Bit
Disabled
Enabled
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, RedHat Enterprise 3 Update 3.)
Limit CPUID Maximum
Disabled
Enabled
Disabled for windows XP
Intel Virtualization
Technology
Disabled
Enabled
When enabled, a VMM can utilize the
additional hardware capabilities provided
Vanderpool Technology.
C-States
Disabled
Enabled
Enable or Disable C2 and above
Enhanced C1
Disabled
Enabled
Enable or Disable Enhanced C1 State