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ASUS CUV4X-DLS User’s Manual 59
4. BIOS SETUP
4. BIOS SETUP
Advanced Menu
System/SDRAM Frequency Ratio [Auto]
This field determines whether the memory clock frequency is set to be in
synchronous or asynchronous mode with respect to the system frequency.
The options that appear in the popup menu vary according to the System/
PCI Frequency (MHz).
CPU Level 1 Cache, CPU Level 2 Cache [Enabled]
These fields allow you to choose from the default of [Enabled] or choose
[Disabled] to turn on or off the CPU Level 1 and Level 2 built-in cache.
Configuration options: [Disabled] [Enabled]
CPU Level 2 Cache ECC Check [Disabled]
This function controls the ECC capability in the CPU level 2 cache.
Configuration options: [Disabled] [Enabled]
Processor Serial Number [Disabled]
The Processor Serial Number is a unique number added to every Pentium
III processor to help verify the identity of the user across the Internet. Set
this field to [Enabled] when you need increased security for doing business
online or e-commerce. Otherwise, leave it to its default setting [Disabled]
for greater anonymity when surfing the Internet.
NOTE: This field is available only when a Pentium III processor is
installed in the system.
BIOS Update [Enabled]
This field functions as an update loader integrated into the BIOS to supply
the processor with the required data. When set to [Enabled], the BIOS loads
the update on all processors during system bootup. Configuration options:
[Disabled] [Enabled]
PS/2 Mouse Function Control [Auto]
The default setting [Auto] allows the system to detect a PS/2 mouse at startup.
If a mouse is detected, the BIOS assigns IRQ12 to the PS/2 mouse. Otherwise,
IRQ12 can be used for expansion cards. When you set this field to [Enabled],
BIOS always reserves IRQ12, whether or not a PS/2 mouse is detected at
startup. Configuration options: [Enabled] [Auto]