Intel S1200RP Service Guide - Page 116

Acoustic, Disabled, Quiet Fan Idle Mode does not conflict with Fan PWM Offset above

Page 116 highlights

Server Utilities Help Text: [300m or less](980ft or less) Optimal near sea level. [301m-900m](980ft-2950ft) Optimal performance setting at moderate elevation. [901m-1500m](2950ft-4920ft) Optimal performance setting at high elevation. [Above 1500m](above 4920ft) Optimal performance setting at the highest elevations. Comments: This option sets an altitude value in order to choose a Fan Profile that is optimized for the air density at the current altitude at which the system is installed. Back to [System Acoustic and Performance Configuration] - Back to [Screen Map] 3. Set Fan Profile Option Values: Acoustic Help Text: [Acoustic] - The system will favor using throttling of memory over boosting fans to cool the system if thermal thresholds are met. Comments: This option allows the user to choose a Fan Profile that is optimized for minimizing acoustic noise. When Acoustic is selected, then rather than increasing fan speed for additional cooling, the system will attempt first to control thermal conditions by throttling memory to reduce heat production. This regulates the system's thermal condition without changing the acoustic performance but throttling memory may impact system performance. Back to [System Acoustic and Performance Configuration] - Back to [Screen Map] 4. Fan PWM Offset Option Values: [Entry Field 0 - 100, 0 is default] Help Text: Valid Offset 0 - 100. This number is added to the calculated PWM value to increase Fan Speed. Comments: This is a percentage by which the calculated fan speed will be increased. The user can apply positive offsets that result in increasing the minimum fan speeds. Back to [System Acoustic and Performance Configuration] - Back to [Screen Map] 5. Quiet Fan Idle Mode Option Values: Enabled Disabled Help Text: Enabling this option allows the system fans to operate in Quiet 'Fan off' mode while still maintaining sufficient system cooling. In this mode, fan sensors become unavailable and cannot be monitored. There will be limited fan related event generation. Comments: When enabled, this option allows fans to idle or turn off when sufficient thermal margin is available, decreasing the acoustic noise produced by the system and decreasing system power consumption. Fans will run as needed to maintain thermal control. The actual decrease in fan speed depends on the system thermal loading, which in turn depends on system configuration and workload. While Quiet Fan Idle Mode is engaged, fan sensors become unavailable and are not monitored by the BMC. Quiet Fan Idle Mode does not conflict with Fan PWM Offset (above) - they work in concert, with Fan PWM Offset applied to fans in Quiet Fan Idle Mode just as when the fans are 104 Intel® Server System R1000RP Service Guide

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Server Utilities
104
Intel
®
Server System R1000RP Service Guide
Help Text:
[300m or less](980ft or less) Optimal near sea level.
[301m-900m](980ft-2950ft) Optimal performance setting at moderate elevation.
[901m-1500m](2950ft-4920ft) Optimal performance setting at high elevation.
[Above 1500m](above 4920ft) Optimal performance setting at the highest elevations.
Comments:
This option sets an altitude value in order to choose a Fan Profile that is
optimized for the air density at the current altitude at which the system is installed.
Back to [
System Acoustic and Performance Configuration
]
Back to [
Screen Map
]
3.
Set Fan Profile
Option Values:
Acoustic
Help Text:
[Acoustic] - The system will favor using throttling of memory over
boosting fans to cool the system if thermal thresholds are met.
Comments:
This option allows the user to choose a Fan Profile that is optimized for
minimizing acoustic noise.
When
Acoustic
is selected, then rather than increasing fan speed for additional cooling, the
system will attempt first to control thermal conditions by throttling memory to reduce heat
product
ion. This regulates the system’s thermal condition without changing the acoustic
performance but throttling memory may impact system performance.
Back to [
System Acoustic and Performance Configuration
]
Back to [
Screen Map
]
4.
Fan PWM Offset
Option Values:
[Entry Field 0
100,
0
is default]
Help Text:
Valid Offset 0 - 100. This number is added to the calculated PWM value
to increase Fan Speed.
Comments:
This is a percentage by which the calculated fan speed will be increased.
The user can apply positive offsets that result in increasing the minimum fan speeds.
Back to [
System Acoustic and Performance Configuration
]
Back to [
Screen Map
]
5.
Quiet Fan Idle Mode
Option Values:
Enabled
Disabled
Help Text:
Enabling this option allows the system fans to operate in
Quiet ‘Fan off’
mode while still maintaining sufficient system cooling. In this mode, fan sensors become
unavailable and cannot be monitored. There will be limited fan related event generation.
Comments:
When enabled, this option allows fans to idle or turn off when sufficient
thermal margin is available, decreasing the acoustic noise produced by the system and
decreasing system power consumption. Fans will run as needed to maintain thermal control.
The actual decrease in fan speed depends on the system thermal loading, which in turn depends
on system configuration and workload.
While Quiet Fan Idle Mode is engaged, fan sensors become unavailable and are not monitored
by the BMC.
Quiet Fan Idle Mode does not conflict with Fan PWM Offset (above)
they work in concert,
with Fan PWM Offset applied to fans in Quiet Fan Idle Mode just as when the fans are