Service Guide

BIOS Setup Utilities

Intel

Server System P4000IP and Intel

Workstation System P4000CR Service Guide 163

Advanced

System Acoustic and Performance Configuration

Set Throttling Mode

Auto

/DCLTT/SCLTT/SOLTT

Altitude

300m or less/

301m-900m

/901m – 1500m/Higher than

1500m

Set Fan Profile

Performance

/Acoustic

Fan PWM Offset [0 – 100,

is default]

Quiet Fan Idle Mode Enabled/

Disabled

Figure 151. System Acoustic and Performance Configuration

Screen Field Descriptions:

1. Set Throttling Mode

Option Values: Auto

DCLTT

SCLTT

SOLTT

Help Text:

Sets Thermal Throttling mode for memory, to control fans and DRAM power as needed to

control DIMM temperatures.

[Auto] – BIOS selects mode.

[DCLTT] – Dynamic Closed Loop Thermal Throttling.

[SCLTT] – Static Closed Loop Thermal Throttling.

[SOLTT] – Static Open Loop Thermal Throttling.