Asus P5LD2-C IPAT User Manual - Page 68

Execute Disable Bit [Enabled], Limit CPUID Maximum [Disabled], Intel SpeedStep [Enabled]

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4.4.3 CPU Configuration The items in this menu show the CPU-related information that the BIOS automatically detects. CPU Configuration Processor Type Processor Speed System Bus Speed Processor Stepping Microcode Revision Processor Core Hyper-Threading EM64 XD can prevent certain classes of malicious Intel(R) Core(TM)2 CPU b uffer overflow attacks 6300 @ 1.86GHz when combined with a 1866 MHz supporting OS (Windows 1066 MHz Server 2003 SP1, Windows 6f2 XP SP2, SuSE Linux 902, 56 RedHAT Enterprise 3 Dual Update 3.) Not Supported Supported Execute Disable Bit [Enabled] Limit CPUID Maximum [Disabled] Intel Virtualization Technology [Disabled] Intel SpeedStep [Disabled] Enhanced C1 [Disabled] Intel TM [Disabled] Execute Disable Bit [Enabled] Allows you to enables or disables Intel® Execute Disable Bit function. This function enhance protection of your computer, reducing exposure to viruses and malicious buffer overflow attacks when working with its supporting software and system. Configuration options: [Disabled] [Enabled] Limit CPUID Maximum [Disabled] Allows you to determine whether to limit CPUID maximum value. Set this item to [Disabled] for Windows XP operating system; set this item to [Enabled] for legacy operating system such as Windows NT4.0. (Default: Disabled) Configuration options: [Disabled] [Enabled] Intel Virtualization Technology [Disabled] Allows you to enable or disable Intel® Virtualization Technology. Virtualization enhanced by Intel® Virtualization Technology allows a platform to run multiple operating systems and applications in independent partitons. With virtualization, one computer system can function as multiple virtual systems. Configuration options: [Enabled] [Disabled] Intel SpeedStep [Enabled] Allows you to use the Enhanced Intel® SpeedStep® Technology. When set to [Enabled], you can adjust the system power settings in the operating system to use the EIST feature. Set this item to [Disabled] if you do not want to use the EIST. Configuration options: [Disabled] [Enabled] 4-12 Chapter 4: BIOS setup

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4-12
Chapter 4: BIOS setup
4.4.3
CPU Configuration
The items in this menu show the CPU-related information that the BIOS
automatically detects.
CPU Configuration
Processor Type
Intel(R) Core(TM)2 CPU
6300 @ 1.86GHz
Processor Speed
1866 MHz
System Bus Speed
1066 MHz
Processor Stepping
6f2
Microcode Revision
56
Processor Core
Dual
Hyper-Threading
Not Supported
EM64
Supported
Execute Disable Bit
[Enabled]
Limit CPUID Maximum
[Disabled]
Intel Virtualization Technology [Disabled]
Intel SpeedStep
[Disabled]
Enhanced C1
[Disabled]
Intel TM
[Disabled]
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 902,
RedHAT Enterprise 3
Update 3.)
Execute Disable Bit [Enabled]
Allows you to enables or disables Intel
®
Execute Disable Bit function. This function
enhance protection of your computer, reducing exposure to viruses and malicious
buffer overflow attacks when working with its supporting software and system.
Configuration options: [Disabled] [Enabled]
Limit CPUID Maximum [Disabled]
Allows you to determine whether to limit CPUID maximum value. Set this item to
[Disabled] for Windows XP operating system; set this item to [Enabled] for legacy
operating system such as Windows NT4.0. (Default: Disabled)
Configuration options: [Disabled] [Enabled]
Intel Virtualization Technology [Disabled]
Allows you to enable or disable Intel
®
Virtualization Technology. Virtualization
enhanced by Intel
®
Virtualization Technology allows a platform to run multiple
operating systems and applications in independent partitons. With virtualization,
one computer system can function as multiple virtual systems.
Configuration options: [Enabled] [Disabled]
Intel SpeedStep [Enabled]
Allows you to use the Enhanced Intel
®
SpeedStep
®
Technology. When set to
[Enabled], you can adjust the system power settings in the operating system to
use the EIST feature. Set this item to [Disabled] if you do not want to use the EIST.
Configuration options: [Disabled] [Enabled]