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X8DA6/X8DAE User's Manual
C1 Auto Demotion
When this feature is set to Enabled, the CPU will conditionally demote C3, C6 or
C7 requests to C1 based on un-core auto-demote information. The options are
Disabled and Enabled.
C3 Auto Demotion
When this item is set to Enabled, the CPU will conditionally demote C6 or C7 re-
quests to C3 based on un-core auto-demote information. The options are Disabled
and Enabled.
Clock Spread Spectrum
Select Enabled to use Clock Spectrum technology, which will allow the BIOS to
monitor and attempt to reduce the level of Electromagnetic Interference caused by
the components whenever needed. The options are Disabled and Enabled.
Advanced Chipset Control
The items included in the Advanced Settings submenu are listed below:
CPU Bridge Configuration
QPI (Quick_Path Interface) Links Speed
This feature selects QPI's data transfer speed. The options are Slow-mode, and
Full Speed.
QPI Frequency
This selects the desired QPI frequency. The options are Auto, 4.800 GT,
5.866GT, 6.400 GT.
QPI L0s and L1
Select Enabled to lower QPI power state. L0s and L1 are automatically selected
by the motherboard. The options are Disabled and Enabled.
Memory Frequency
This feature forces DDR3 memory modules to run at a frequency setting selected
by the user. Select Auto to allow a memory module to automatically run at the
frequency determined by the system. The available options are Auto, Force
DDR-800, Force DDR-1066, and Force DDR-1333.
Memory Mode
Select Independent to make all DIMMs available to the operating system. Select
Channel Mirroring to maintain two identical copies of all data in Channel 1 and
Channel 2 memory modules for data security. Select Lockstep for the mother-
4-8
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