ASUS 815EG 用户手册

4. BIOS SETUP

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In JumperFree™ Mode, this field allows you to select the internal frequency
of your CPU. Select [Manual] if you want to make changes to the subsequent
2 fields. Note that selecting a frequency higher than the CPU manufacturer
recommends may cause the system to hang or crash. See System Hangup
on page 60.

These fields allow you to choose from the default of [Enabled] or choose
[Disabled] to turn on or off the CPU’s Level 1 and Level 2 built-in cache.
Configuration options: [Disabled] [Enabled]

This function controls the ECC capability in the CPU level 2 cache.
Configuration options: [Disabled] [Enabled]

This functions as an update loader integrated into the BIOS to supply the
processor with the required data. In the default position of [Enabled], the
BIOS will load the update on all processors during system bootup.
Configuration options: [Disabled] [Enabled]

The default of [Auto] allows the system to detect a PS/2 mouse on startup.
If detected, IRQ12 will be used for the PS/2 mouse. IRQ12 will be reserved
for expansion cards only if a PS/2 mouse is not detected. [Enabled]  will
always reserve IRQ12, whether on startup a PS/2 mouse is detected or not.
Configuration options: [Enabled] [Auto]