Gigabyte G492-Z52, User Manual, Page: 65 / 137

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BIOS Setup
Parameter
Description
PCI Bus Driver Version
Displays the PCI Bus Driver version information.
U2_P0/1_P# Lanes
(Note1)
Change the PCIe lanes.
Options available: Disabled, Auto, x16, x8x8, x8x4x4, x4x4x8,
x4x4x4x4. Default setting is
Auto .
U2_P0/1_P# I/O ROM
(Note1)
When enabled, this setting will initialize the device expansion ROM
for the related PCI-E slot.
Options available: Enabled, Disabled. Default setting is
Enabled .
U2_P0/1_P# Link Speed
(Note1)
Configure PCIe max link speed.
Options available: Auto, Maximum, Gen1, Gen2, Gen3, Gen4.
Default setting is
Auto .
Onboard LAN Controller
Enable/Disable the onboard LAN devices.
Options available: Enabled, Disabled. Default setting is
Enabled .
Onboard LAN# I/O ROM
(Note2)
Enable/Disable the onboard LAN devices, and initializes device
expansion ROM.
Options available: Enabled, Disabled. Default setting is
Enabled .
PCI Devices Common Settings
Above 4G Decoding
Enable/Disable memory mapped I/O to 4GB or greater address
space (Above 4G Decoding).
Options available: Enabled, Disabled. Default setting is
Enabled .
SR-IOV Support
If the system has SR-IOV capable PCIe devices, this item Enable/
Disable Single Root IO Virtualization Support.
Options available: Enabled, Disabled. Default setting is
Enabled .
(Note1) This section is dependent on the available PCIe Slot.
(Note2) This section is dependent on the available LAN controller.