Asus VISTA EDITION M2N-PLUS SLI User Manual
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4-20
Chapter 4: BIOS setup
AI Tuning [Auto]
Allows selection of CPU overclocking options to achieve desired CPU internal
frequency. Selct 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.
The following item becomes user-configurable when you set AI Tuning to
[
AI Overclock
].
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
[
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.
PCI Express Clock [100Mhz]
Allows you to set the PCI Express clock.
Configuration options: [100MHz]~[145MHz]
DDR2 Voltage [Auto]
Allows you to set the operating DDR2 voltage.
Configuration options: [Auto] [1.80V] [1.85V] [1.90V] [1.95V]
PCI Clock Synchronization Mode [Auto]
Sets the PCI Clock Synchronization mode.
Configuration options: [Auto] [To CPU] [33.33MHz]