Gigabyte GA-Z170X-Ultra Gaming User Manual - Page 39

&& PCIEx4 Slot Link Width Specifies the operating bandwidth for the PCIEX4 slot. Auto Lets the BIOS automatically configure this setting depending on the expansion card being installed. (Default) x4 PCIEX4 operates at x4 mode. x2 PCIEX4 operates at x2 mode. 2-7 Power && Platform Power Management Enables or disables the Active State Power Management function (ASPM). (Default: Disabled) && PEG ASPM Allows you to configure the ASPM mode for the device connected to the CPU PEG bus. This item is configurable only when Platform Power Management is set to Enabled. (Default: Enabled) && PCH ASPM Allows you to configure the ASPM mode for the device connected to Chipset's PCI Express bus. This item is configurable only when Platform Power Management is set to Enabled. (Default: Enabled) && DMI ASPM Allows you to configure the ASPM mode for both CPU side and Chipset side of the DMI link. This item is configurable only when Platform Power Management is set to Enabled. (Default: Enabled) && AC BACK Determines the state of the system after the return of power from an AC power loss. Always Off The system stays off upon the return of the AC power. (Default) Always On The system is turned on upon the return of the AC power. Memory The system returns to its last known awake state upon the return of the AC power. - 39 -