User`s manual

4-8

X8DT6/X8DT6-F/X8DTE/X8DTE-F User’s Manual

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 Conﬁ guration

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

If this item is set to Independent, all DIMMs are available to the operating system.

If this item is set to Channel Mirroring, the motherboard maintains two identical

copies of all data in memory for redundancy. If this item is set to Lockstep, the

motherboard uses two areas of memory to run the same set of operations in

parallel. Select Sparing to use memory sparing and create data redundancy in

memory modules for data security. (Sparing is supported by the 5600 platform.)

The options are Independent, Channel Mirroring, Sparing, and Lockstep.