Reference Guide

BIOS.SysProfileSettings.MemVolt (Read or Write)
Description
Sets the DIMM voltage selection. When set to Auto the system will automatically set the system voltage
to the optimal setting based upon the DIMM capability and the installed DIMM population. Also enables
setting the system DIMM voltage to a higher (1.5V) setting if the DIMMs support multiple voltages and
have been Auto set to a lower voltage. Read-only unless System Profile is set to Custom.
Legal Values
AutoVolt
Volt135V
Volt15V
Default Value Not Applicable
Write Privilege Server Control
License Required iDRAC Express or iDRAC Enterprise
Dependency Not applicable
BIOS.SysProfileSettings.MonitorMwait (Read or Write)
Description
Specifies whether Monitor/Mwait instructions are enabled. Monitor/Mwait is only active when C-states is
set to Disabled in custom Mode. If the C-States are enabled, and the customer sets Monitor/Mwait to
Disabled, Monitor/MWait is changed to Enabled in the next boot. Read-only unless System Profile is set
to Custom.
Has a dependency on the System Profile. Can only be set if the System Profile is set to Custom. Is set to
Enabled for all the other System Profiles.. If the C-States are enabled, and the customer sets this field to
Disabled, MonitorMWait is changed to Enabled in the next boot.
Legal Values
Enabled
Disabled
Default Value Not Applicable
Write Privilege Server Control
License Required iDRAC Express or iDRAC Enterprise
Dependency Not applicable
BIOS.SysProfileSettings.PcieAspmL1 (Read or Write)
Description
When enabled, PCIe Advanced State Power Management (ASPM) can reduce overall system power a bit
while slightly reducing system performance. NOTE: Some devices may not perform properly (they may
hang or cause the system to hang) when ASPM is enabled; for this reason L1 will only be enabled for
validated qualified cards.
Legal Values
Enabled
Disabled
Default Value Not Applicable
Write Privilege Server Control
License Required iDRAC Express or iDRAC Enterprise
Dependency Not applicable
BIOS Attributes 339