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ASUS CUA266 User’s Manual 57
4. BIOS SETUP
4. BIOS SETUP
Advanced Menu
CPU/Memory Frequency Ratio [Auto]
This field determines whether the memory clock frequency is set in
synchronous or asynchronous mode with respect to the system frequency.
The options in the popup menu vary according to the CPU/PCI Frequency
(MHz). Configuration options: [Auto] [1:1] [2:3] [4:3]
CPU Vcore Setting [Auto]
When set to [Auto], When this field is set to [Manual], you can manually
select the core voltage supplied to the CPU (see next item). It is recommended
however that you keep the default setting [Auto] to allow the system to
automatically determine the appropriate CPU core voltage.
CPU Vcore [3.50V]
In JumperFree mode, this field displays the core voltage supplied to the
CPU. When the CPU Vcore Setting field is set to [Manual], this field allows
you to select a specific CPU Vcore voltage. Refer to the CPU documentation
before setting this field. A very high Vcore voltage may damage the CPU.
This field is not accessible when the CPU Vcore Setting field is set to [Auto].
Configuration options: [1.30V] [1.35V] [1.40V]...[3.30V] [3.40V] 3.50V]
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]