Pci Subsystem Settings - Gigabyte AMD EPYC 7002 Series User Manual

5-2-10 PCI Subsystem Settings

Parameter
PCI Bus Driver Version
U2_P0_P1 / U2_P0_P2 / U2_P0_P3 /
U2_P1_P0 / U2_P1_P1 / U2_P1_P2 /
U2_P1_P3 / U2_P0_G3 / U2_P1_G1
Lanes
(Note1)
U2_P0_P1 / U2_P0_P2 / U2_P0_P3 /
U2_P1_P0 / U2_P1_P1 / U2_P1_P2 /
U2_P1_P3 / U2_P0_G3 / U2_P1_G1
I/O ROM
(Note1)
Onboard LAN 1 Controller
Onboard LAN 1 I/O ROM
PCI Devices Common Settings
Above 4G Decoding
(Note1) This section is dependent on the available PCIe Slot.
(Note2) This section is dependent on the available LAN controller.
Description
Displays the PCI Bus Driver version information.
Change the PCIe lanes.
Options available:
Disabled / Auto / x16 / x8 x8 / x8 x4 x4 / x4 x4 x8 / x4 x4 x4 x4
Default setting is Auto.
When enabled, this setting will initialize the device expansion
ROM for the related PCI-E slot.
Options available: Enabled/Disabled. Default setting is Enabled.
Enable/Disable the onboard LAN devices.
(Note2)
Options available: Enabled/Disabled. Default setting is Enabled.
Enable/Disable the onboard LAN devices and initializes device
expansion ROM.
(Note2)
Options available: Enabled/Disabled. Default setting is Enabled.
Enable/Disable memory mapped I/O to 4GB or greater address
space (Above 4G Decoding).
Options available: Enabled/Disabled. Default setting is Enabled.
- 65 - BIOS Setup