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4-10

X9DRG-O(T)F-CPU/X9DRG-O-PCIE Platform User’s Manual

Recommended Short Duration Power Limit

This item displays the short duration power settings (in watts) recommended by

the manufacturer.

Short Duration Power Limit

This item displays the time period during which short duration power (in watts)

is maintained. The default setting is 0.

Chipset Conguration

North Bridge

This feature allows the user to congure the settings for the Intel North Bridge.

Integrated IO Conguration

Intel

VT-d

Select Enabled to enable Intel Virtualization Technology support for Direct I/O

VT-d by reporting the I/O device assignments to the VMM (Virtual Machine

Monitor) through the DMAR ACPI Tables. This feature offers fully-protected I/O

resource sharing across Intel platforms, providing greater reliability, security

and availability in networking and data-sharing. The options are Enabled and

Disabled.

Ageing Timer Rollover

Use this feature to determine how long the Ageing timer should be. The Ageing

timer is used to break the deadlock of PCI-E bus transactions to resume normal

system operations. The options are Disabled, 32 us, 128 us, and 512 us.

Intel

I/OAT

Select Enabled to enable Intel I/OAT (I/O Acceleration Technology), which signi-

cantly reduces CPU overhead by leveraging CPU architectural capabilities and

freeing up system resources for use of other tasks. The options are Disabled

and Enabled.

DCA Support

When set to Enabled, this feature uses Intel's DCA (Direct Cache Access)

Technology to improve data transfer efciency. The options are Enabled and

Disabled.

Supermicro X9DRG-OF-CPU User Manual

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