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Chapter 7: BIOS

7-11

7-10

UPER

ERVER 1018R-WC0R User's Manual

CPU C6 Report (Available when Power Technology is set to Custom)

Select Enable to allow the BIOS to report the CPU C6 state (ACPI C3) to the
operating system. During the CPU C6 state, power to all caches is turned off.
The options are

Enable

and Disable.

Enhanced Halt State

(

C1E)

Select Enabled to enable "Enhanced Halt State" support, which will significantly

reduce the CPU's power consumption by minimizing CPU's clock cycles and
voltage use during a "Halt State." The options are Disable and

Enable



CPU T State Control

ACPI (Advanced Configuration Power Interface) T-States

If this item is set to Enable, CPU throttling will be supported by the operating
system to reduce power consumption. The options are

Enable

and Disable.



Socket RAPL (Running Average Power Limit) Configuration

FAST_RAPL_NSTRIKE_PL2_DUTY_CYCLE

This feature displays the value of the item above within the range between 25
(10%) and 64 (25%).

Turbo Power Limit Lock

Select Enable to set the power use limit for the machine when it is running in
the turbo mode. The options are Enable and

Disable

Long Power Limit Override

Select Enable to support long-term power limit override. If this feature is disabled,
BIOS will set the default value. The options are Enable and

Disable

Long Duration Power Limit

This item displays the power limit set by the user during which long duration
power is maintained. The default setting is

Package Clamping Limit1

Use this item to set the limit on power performance states for the run-time proces-
sor, with P0 being the state with the highest frequency (clock speed) and power
(consumption), and P1, a step lower in performance than P0, with its frequency
and voltage scaled back a notch. The options are Between P1/P0 and

Below P1

Short Duration Power Limit Enable

Select Enable to support Short Duration Power Limit (Power Limit 2). The options
are

Enable

and Disable.

Short Duration Power Limit

This item displays the time period during which short duration power is main-
tained. The default setting is

Package Clamping Limit2

Use this item to set the limit on power performance states for the processor
operating in turbo mode, with P0 being the state with the highest frequency
(clock speed) and power (consumption), and P1, a step lower in performance
than P0, with its frequency and voltage scaled back a notch. The options are
Between P1/P0 and

Below P1



Chipset Configuration



North Bridge

This feature allows the user to configure the settings for the Intel North Bridge.



IIO Configuration

EV DFX (Device Function On-Hide) Feature

When this feature is set to Enable, the EV_DFX Lock Bits that are located on a
processor will always remain clear during electric tuning. The options are

Dis-

able

and Enable.



IIO1 Configuration/IIO2 Configuration

IOU2 (II0 PCIe Port 1)

This item configures the PCI-E port Bifuraction setting for a PCI-E port specified

by the user. The options are x4x4, X8, and

Auto

PORT 1A Link Speed

This item configures the link speed of a PCI-E port specified by the user. The

options are Gen 1 (Generation 1) (2.5 GT/s), Gen 2 (Generation 2) (5 GT/s) and