Asus X99-A USB 3.1 User Guide - Page 111
PCH Configuration, PCI Express Configuration
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3.6.2 The following items appear only when you set the CPU states to [Enabled]. Enhanced C1 state [Enabled] This item allows your CPU to reduce power consumption when the system is in idle mode. Configuration options: [Enabled] [Disabled] CPU C3 Report [Enabled] This item allows you to disable or enable the CPU C3 report to the operating system. Configuration options: [Enabled] [Disabled] CPU C6 Report [Enabled] This item allows you to disable or enable the CPU C6 report to the operating system. Configuration options: [Enabled] [Disabled] Package C State Support [Auto] This item allows you to set the a C-state support for the CPU package. Configuration options: [Auto] [Enabled] [C0/C1 state] [C2 state] [C6 state] [C6 (non Retention state] [C6 (Retention) state] PCH Configuration Chapter 3 PCI Express Configuration This item allows you to configure the PCI Express slots. PCIEX16_2 Speed [Auto] This item allows your system to select the speed for PCIe x16_2 slot. When set to [Gen1], the PCI-E port runs at PCI-E 1.0 speed. When set to [Gen2], the PCI-E port runs at PCI-E 2.0 speed. Configuration options: [Auto] [Gen1] [Gen2] PCIEX1_1 Speed [Auto] This item allows your system to select the speed for PCIe x1_1 slot. When set to [Gen1], the PCI-E port runs at PCI-E 1.0 speed. When set to [Gen2], the PCI-E port runs at PCI-E 2.0 speed. Configuration options: [Auto] [Gen1] [Gen2] PCIEX1_2 Speed [Auto] This item allows your system to select the speed for PCIe x1_2 slot. When set to [Gen1], the PCI-E port runs at PCI-E 1.0 speed. When set to [Gen2], the PCI-E port runs at PCI-E 2.0 speed. Configuration options: [Auto] [Gen1] [Gen2] ASUS X99-A/USB 3.1 3-35
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