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X9DAi Motherboard User's Manual
Data Scrambling
Select Enabled to enable data scrubbing and ensure data security and integrity.
The options are Disabled and Enabled.
DRAM RAPL (Running Average Power Limit)
This item allows the user to select the average power limit setting when a DRAM
module is in operation. The options are Disabled, Mode 0, and Mode 1.
Device Tagging
Select Enabled to support device tagging. The options are Disabled and En-
abled.
Thermal Throttling
Throttling improves reliability and reduces power consumption in the proces-
sor via automatic voltage control during processor idle states. The options are
Disabled and CLTT (Closed Loop Thermal Throttling).
OLTT (Open Loop Thermal Throttling) Peak BW (Bandwidth) %
This item sets a percentage of the peak bandwidth allowed for Open Loop
Thermal Throttling. The range is between 25% and 100%. The default settling
is 50 (%).
South Bridge Conguration
This feature allows the user to congure the settings for the Intel PCH chip.
PCH Information
This feature displays the following PCH information.
Name: This item displays the name of the PCH chip.
Stepping: This item displays the status of the PCH stepping.
USB Devices: This item displays the USB devices detected by the BIOS.
All USB Devices
This feature enables all USB ports/devices. The options are Disabled and Enabled.
(If set to Enabled, EHCI Controller 1 and Controller 2 will appear.)
EHCI Controller 1/EHCI Controller 2 (Available when All USB Devices is set
to Enabled)
Select Enabled to enable Enhanced Host Controller Interface (EHCI) Controller 1/
Controller 2. The options are Disabled and Enabled.
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