Asus M2N-SLI - Manual (Page 84)

-20 Chapter : BIOS setup
Standard Loads the standard settings for the system.
AI Overclock Loads overclocking profiles with optimal parameters for
stability when overclocking.
AI N.O.S. The ASUS Non-delay Overclocking System feature
intelligently determines the system load and automatically
boosts the performance for the most demanding tasks.
The following item becomes user-configurable when you set AI Tuning to
[ AI Overclocking ].
Overclock Options [Disabled]
Allows you to set the overclocking options.
Configuration options: [Disabled] [Overclock 3%] [Overclock 5%] [Overclock 8%]
[Overclock 10%]
The following item becomes user-configurable when you set AI Tuning to
[ AI N.O.S. ]
N.O.S. Option [Disabled]
Allows you to set the Non-delay Overclocking System mode.
Configuration options: [Disabled] [Overclock 3%] [Overclock 5%] [Overclock 8%]
[Overclock 10%]
The following items become user-configurable when you set AI Tuning to
[ Manual ].
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 BIOS auto-detects the value of this item. The values range
from 200.0 to 400.0.
Setting a very high CPU frequency may cause the system to become unstable.
If this happens, revert to the default setting.
DDR2 Voltage Control [Auto]
Allows you to set the operating DDR2 voltage.
Configuration options: [Auto] [1.80V] [1.85V] [1.90V] ~ [2.50V]