Biostar Hi-Fi H77S

Hi-Fi Z77S/ Hi-Fi H77S UEFI BIOS Manual
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PCI Express Configuration
ASPM
This item sets PCI Express Active State Power Management settings.
Options: Disabled (Default) / L0s / L1 / L0sL1 / Auto
PCIe Speed
This item selects PCI Express port speed.
Options: Auto (Default) / Gen1 / Gen2
USB Configuration
XHCI Pre-Boot Driver
This item enables or disables XHCI Pre-Boot Driver support.
Options: Enabled (Default) / Disabled