CLI Guide

Only available on R7920. Controlled by DPI feature: FeatureSupport.PcieBusCustomizable
Legal Values
● PcieBusUniform
● PcieBusCustomOpt1
● PcieBusCustomOpt2
● PcieBusCustomOpt3
Default Value Not Applicable
Write Privilege Server Control
License Required iDRAC Express or iDRAC Enterprise
Dependency Not applicable
BIOS.IntegratedDevices.PcieEnhancedPreferredIo (Read or Write)
Description
When Enhanced Preferred IO is enabled the LCLK speed for the root complex where Preferred IO is
enabled will automatically be set to 600 MHz (effective 593 MHz)
Legal Values
● Enabled
● Disabled
Default Value Not Applicable
Write Privilege Server Control
License Required iDRAC Express or iDRAC Enterprise
Dependency Not applicable
BIOS.IntegratedDevices.PciePreferredIoBusVal (Read or Write)
Description
This field sets the PCI bus address that preferred IO device resides. Bus address ranges from [0x0:0xFF].
Legal Values None
Default Value Not Applicable
Write Privilege Server Control
License Required iDRAC Express or iDRAC Enterprise
Dependency Not applicable
BIOS.IntegratedDevices.PciePreferredIoDevice (Read or Write)
Description
In certain platform configurations it is possible to improve the performance of an endpoint by enabling
Pcie Preferred IO Device. To select a particular addin device, references the PCI bus/device/function
address(in decimal) of the add-in card when requesting Preferred I/O for the device
Legal Values
● Enabled
● Disabled
Default Value Not Applicable
Write Privilege Server Control
License Required iDRAC Express or iDRAC Enterprise
Dependency Not applicable
154 BIOS Attributes