Gigabyte GA-Z87X-UD7 TH User Manual page 52

` Miscellaneous Settings
& PCIe Slot Configuration
Allows you to set the operation mode of the PCI Express slots to Gen 1, Gen 2, or Gen 3. Actual operation
mode is subject to the hardware specification of each slot. For example, the PCI Express x1 slots can
support up to Gen 2 mode only. Auto lets the BIOS automatically configure this setting. (Default: Auto)
& 3DMark01 Boost
Allows you to determine whether to enhance some legacy benchmark performance. (Default: Disabled)
BIOS Setup - 52 -