Supermicro C7C242-CB-M User Manual page 71

REFRESH_2X_MODE
This feature enables 2X Refresh mode. The options are Disabled,
1- Enabled for WARM or HOT, and 2- Enabled HOT only.
DMI/OPI Configuration

DMI Link ASPM Control
This feature enables Active State Power Management (ASPM) for
the SA side of the DMI Link. The options are Disabled, L0s, L1,
and L0sL1.
DMI Extended Sync Control
This feature enables DMI Extended Synchronization control. The
options are Disabled and Enabled.
DMI De-emphasis Control
This feature configures DMI De-emphasis. The options are -6 dB
and -3.5 dB.
PEG Port Configuration

PEG 0:1:0
Enable Root Port
Select Enable to activate the Root Port. The options are Disabled,
Enabled, and Auto.
Max Link Speed
Select Auto, Gen1, Gen2, or Gen3 to set the PEG Max Link Speed.
Max Link Width
Select Auto, Force X1, Force X2, Force X4, or Force X8 to set the
PEG Max Link Width.
ASPM
This feature configures ASPM support for the PEG. The options are
Disabled, Auto, ASPM L0s, ASPM L1, and ASPM L0sL1.
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Chapter 4: AMI BIOS