Asus M2N-E SLI - Manual (Page 79)

ASUS M2N-E SLI 4-21
Overclock Profile [Auto]
Allows selection of CPU overclocking options to achieve desired
CPU internal frequency. Select either one of the preset overclocking
configuration options:
Manual Allows you to individually set overclocking
parameters.
Auto Loads the optimal settings for the system.
Standard Loads the standard settings for the system.
AI Overclock Loads overclocking profiles with optimal
parameters for stability when overclocking.
CPU Frequency [XXX] (value is auto-detected)
Indicates the frequency sent by the clock generator to the system bus
and PCI bus. The bus frequency (external frequency) multiplied by the bus
multiple equals the CPU speed. The value of this item is auto-detected by
BIOS. The values range from 200 to 400. Refer to the following table for
the correct Front Side Bus and CPU External Frequency settings.
The following items are user-configurable only when the Overclock Profile
item is set to [Manual].
Selecting a very high CPU frequency may cause the system to become
unstable! If this happens, revert to the default setting.
PCI Express Clock [100MHz]
Allows you to set the PCI Express clock. Key-in a decimal value between
100-200 MHz. Configuration options: [100Mhz] [101Mhz~[145Mhz]
DDR2 Voltage [Auto]
Sets the operating DDR voltage. Configuration options: [Auto] [1.80V]
[1.85V] [1.90V] [1.95V]
CPU Multiplier [Auto]
Sets the operating CPU multiplier. The configuration options vary depending
on the type of CPU installed. Configuration options: [Auto] [5x] [6x] [7x]
[8x] [9x]