EVGA NFORCE 680I SLI 122-CK-NF68-XX - Manual (Page 22)

Introduction
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‰ Clock Drive Strength
This value is filled in by the system and can not be changed by the user.
‰ Command Per Clock
The Command Per Clock (tCPC) sets the Command Rate for the memory
controller. The value shown cannot be changed
‰ Async Latency
This value is filled in by the system and can not be changed by the user.
Adjust GPU Settings
Use this interface to adjust the graphics processing unit (GPU) on your video
card(s). You can override the shipped clock frequencies of your GPU and GPU
memory and set the GPU fan speed. Increasing the clock speeds increases your
GPU performance and may require adjusting cooling to maintain the same level
of reliability.
Figure 20. Adjust GPU Settings (nTune)