Asus Maximus Extreme - Manual (Page 96)

4-18 Chapter 4: BIOS setup
Some of the following items appear when you set Ai Overclock Tuner to
[Manual] or [X.M.P]. The items vary depending on which option you select.
eXtreme Memory Profile [Profile #1]
Allows you to select the memory profile during overclocking between [Profile #1]
(high performance) and [Profile #2] (high frequency). This item appears only when
you set Ai Overclock Tuner to [X.M.P.].
Configuration options: [Profile #1] [Profile #2]
OC By CPU Level Up [Select Level]
After you to select a CPU level, the FSB Frequency and DRAM Frequency items
will be adjusted accordingly. This item appears only when you set Ai Overclock
Tuner to [Manual].
Configuration options: [Select Level] [E6400] [E6550] [E6600] [E6700] [X6800]
[E6850]
CPU Ratio Control [Auto]
Configuration options: [Auto] [Manual]
The following item appears when the CPU Ratio Control item is set to
[Manual].
Ratio CMOS Setting [7]
Whether this item is configurable depends on your CPU type. The valid value
ranges differently according to your CPU type. If this item is configurable,
enter the value using the numeric keypad.
FSB Frequency [XXX]
Displays the frequency sent by the clock generator to the system bus and PCI
bus. Use the <+> and <-> keys to adjust the FSB frequency. You can also type
the desired FSB frequency using the numeric keypad. The values range from 200
to 800. Refer to the table below for the correct Front Side Bus and CPU External
Frequency settings. This item appears only when you set Ai Overclock Tuner to
[Manual].
Ai Overclock Tuner [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 standard settings for the system.
X.M.P Loads the optimal settings for the system.
CPU Level Up Allows you to select a CPU level, and the related parameters
will be adjusted automatically.