Asus P5QPL-VM EPU - CPU Configuration

2-12 Chapter 2: BIOS setup
2.4.2 CPU Conguration
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.
Conguration options: [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 Intel CPU Enhanced Halt (C1E) function, a CPU
power-saving function in system halt state. When this item is enable, the CPU core frequency
and voltage will be reduced during the system halt state to decrease power consumption.
Conguration 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. Conguration options: [Disabled] [Enabled]
Intel
®
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. Conguration options: [Enabled] [Disabled]
CPU TM Function [Enabled]
Enables or disables Intel
®
CPU Thermal Monitor (TM) function, a CPU overheating protection
function. When this item is enabled, the CPU core frequency and voltage are reduced when
the CPU overheats. Conguration 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 overow attacks when
working with its supporting software and system. Conguration options: [Disabled] [Enabled]
Intel
®
SpeedStep
®
Tech [Enabled]
Allows you to use the Enhanced Intel
®
SpeedStep
®
Technology. When this item is 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. Conguration 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).