Asus P5SD2-A - Manual (Page 33)

2-8 ASUS P5SD2-A
2.4.3 CPU Configuration
The items in this menu show the CPU-related information that the BIOS automatically
detects.
CPU ratio adjustment [Auto]
Selects the CPU ratio adjustment mode. Configuration options: [Auto] [Manual]
C1É Support [Enabled]
Enable this item and users can configure the “Enhanced Halt State” function.
Configuration options: [Disabled] [Enabled]
Max CPUID Value Limit [Disabled]
Enable this item to boot legacy operating systems that cannot support CPUs with extended
CPUID functions. Configuration options: [Disabled] [Enabled]
Vanderpool Technology [Enabled]
Enable this item when the processor supports Vanderpool technology. Users need to reset
the computer to change the configuration of this item. Configuration options: [Disabled]
[Enabled]
CPU TM function [Enabled]
Enables or disables Intel® CPU Thermal Monitor (TM2) function, a CPU overheating
protection function. When enabled, the CPU core frequency and voltage is reduced when the
CPU is overheats. Configuration options: [Enabled] [Disabled]
Execute Disable Bit [Enabled]
Allows you to Enable/disable Execute Disable Function.
Configuration options: [Disabled] [Enabled]
Ratio CMOS Setting [14]
Sets the ratio between the CPU core clock and the Front Side Bus frequency. The
BIOS auto detects the defaut value of this item. Use the <+> or <-> keys to adjust the
values. Configuration options:[6]...[14]
The following items appear only when the CPU ratio adjustment item is set to [manual].
You can only adjust the CPU ratio adjustment if you installed an unlocked CPU. Refer to
the CPU documentation for details.
Intel ® SpeedStep ® Technology [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: [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).