Acer AR360 F1 - Manual (Page 103)

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Advanced Chipset Control
The items included in the Advanced Chipset Settings submenu are
listed below:
CPU Bridge Configuration
QPI Links Speed: This feature selects QPI data transfer speed.
Important: The following feature is only available when QPI Links
Speed is set to Full Speed.
QPI Frequency: This selects the desired QPI frequency.
QPI L0s and L1: This enables the QPI power state to low power. L0s and
L1 are automatically selected by the motherboard.