Asus P5QPL-VM - Manual (Page 54)

2-14 Chapter 2: BIOS setup
2.4.2 CPU Configuration
The items in this menu show the CPU-related information that the BIOS automatically
detects.
Ratio CMOS Setting [Auto]
Allows you to set the ratio between CPU Core Clock and the FSB frequency.
Configuration option: [Auto]
• If an invalid ratio is set in CMOS then actual and set values may differ.
• Key in ratio numbers directly.
C1E Support [Enabled]
Allows you to enable or disable Inter CPU Enhanced Halt (C1E) function, a CPU power-
saving function in system halt state. When enable, the CPU core frequency and voltage
will be reduced during the system halt state to decrease power consumption. Configuration
options: [Disabled] [Enabled]
Max CPUID Value Limit [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(R) Virtualization Tech [Enabled]
Enables or disables Intel ® Virtualization Technology. Virtualization enhanced by Intel ®
Virtualization Technology allows a platform to run multiple operating systems and applications
in independent partitions. With Virtualization, one computer system can function as multiple
virtual systems. Configuration options: [Enabled] [Disabled]
CPU TM Function [Enabled]
Enables or disables Intel ® CPU Thermal Monitor (TM) function, a CPU overheating protection
function. When enabled, the CPU core frequency and voltage are reduced when the CPU
overheats. Configuration options: [Disabled] [Enabled]
Execute-Disable Bit Capability [Enabled]
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]
Intel(R) SpeedStep(TM) Technology [Enabled]
Allows you to use the Enhanced Intel ® SpeedStep TM 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: [Enabled]
[Disabled]
The following item appears only when you installed an Intel ® Pentium ® 4 or later CPU that
supports the Enhanced Intel SpeedStep ® Technology (EIST).