User Guide

BIOS Setup 3-7
 CPU Feature:
Click <Enter> key to enter its submenu:
Limit CPUID MaxVal
When set to [Enabled], this item limits the CPUID maximum value to 3, which is usually required for
older OS like Windows NT4.0.
Leave this item to its default [Disabled] settings for OS like Windows XP.
C1E Function
This item appears only for certain processors with the C1E (Enhanced Halt State) Function. When set to
[Enabled], the processor will further reduce the total power consumption.
Execute Disable Bit
This item appears only for certain processors with the Execute Disable Bit (XD bit) feature. When set to
[Enabled], this item allows the processor to prevent data pages from being used by malicious software to
execute code and provide memory protection.
EIST Function
This item appears only for certain processors with the EIST (Enhanced Intel SpeedStep Technology)
Function. When set to [Enabled], EIST will dynamically switch between multiple frequency and voltage
points to optimize the power and performance balance of the processor and system based on demand.
 Back to Advanced BIOS Features Setup Menu:
Hard Disk Boot Priority:
This item selects the hard disks booting priority. By pressing <Enter> key, you can enter its submenu
where the hard disks detected can be selected for the booting sequence to boot up system.
This item functions only when there is the option of [Hard Disk] in any one of the First/Second/Third
Boot Device items.
First Boot Device / Second Boot Device / Third Boot Device / Boot Other Device:
Select the drive to boot first, second and third in the [First Boot Device], [Second Boot Device], and
[Third Boot Device] items respectively. The BIOS will boot the operating system according to the
sequence of the drive selected. Set [Boot Other Device] to [Enabled] if you wish to boot from another
device other than these three items.
User’s Manual