Asus P3W-E User Manual page 61

4. BIOS SETUP
CPU Bus Frequency (MHz) (when CPU Speed is set to [Manual])
This feature tells the clock generator what frequency to send to the CPU, DRAM,
and chipset. The bus frequency (external frequency) multiplied by the bus mul-
tiple equals the CPU's internal frequency (the CPU speed). The configuration
options vary depending on the CPU/SDRAM/PCI Freqency Ratio.
CPU Vcore (when CPU Speed is set to [Manual])
This field displays the core voltage supplied to the CPU. If you want to
set it manually, always refer to the CPU documentation for the reason-
able voltage range. Configuration options: [2.40V] [2.30V] [2.20V]
[2.10V] [2.05V] [2.00V]
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's 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. Con-
figuration options: [Disabled] [Enabled]
BIOS Update [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. Configu-
ration options: [Disabled] [Enabled]
PS/2 Mouse Function Control [Auto]
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]
USB Legacy Support [Auto]
This motherboard supports Universal Serial Bus (USB) devices. The de-
fault of [Auto] allows the system to detect a USB device on startup. If de-
tected, the USB controller will be enabled. If not detected, the USB control-
ler will be disabled. When this field is set to [Disabled], the USB controller
is disabled no matter whether you are using a USB device or not. Configu-
ration options: [Disabled] [Enabled] [Auto]
OS/2 Onboard Memory > 64M [Disabled]
When using OS/2 operating systems with installed DRAM of greater than
64MB, you need to set this option to [Enabled]; otherwise, leave this on
[Disabled]. Configuration options: [Disabled] [Enabled]
ASUS P3W-E User's Manual 61