Figure 21. Intel; Table 66. Intel® Server System Sc5650Hcbrp Fan Domain Table - Intel SC5650HCBRP Product Specification

Intel® Server System SC5650HCBRP TPS
BIOS fails to get the Thermal SDRs, then it uses the Memory Reference Code (MRC) default
settings for the memory throttling settings.
The <F2> BIOS Setup Utility provides options to set the fan profile or operating mode the
platform will operate under. Each operating mode has a predefined profile for which specific
platform targets are configured, which in turn determines how the system fans operate to meet
those targets. Platform profile targets are determined by which type of platform is selected when
running the FRUSDR utility and by the BIOS settings configured using the <F2> BIOS Setup.
6.3.2.2.1 Fan Domains
System fan speeds are controlled through pulse width modulation (PWM) signals, which are
driven separately for each domain by integrated PWM hardware. Fan speed is changed by
adjusting the duty-cycle, which is the percentage of time the signal is driven high in each pulse.
Refer to Appendix D for system specific fan domains.
Table 66. Intel
Fan Domain 0
Fan Domain 1
Fan Domain 2
Fan Domain 3
6.3.2.3 Configuring the Fan Profile Using the BIOS Setup Utility
The BIOS uses options set in the <F2> BIOS Setup Utility to determine what fan profile the
system should operate under. These options include "THROTTLING MODE", "ALTITUDE", and
"SET FAN PROFILE". Refer to section 7.3.2.2.7, System Acoustic and Performance
Configuration for details of the BIOS options.
The "ALTITUDE" option is used to determine appropriate memory performance settings based
on the different cooling capability at different altitudes. At high altitude, memory performance
must be reduced to compensate for thinner air. Be advised, selecting an Altitude option to a
setting that does not meet the operating altitude of the server may limit the system fans' ability
to provide adequate cooling to the memory. If the air flow is not sufficient to meet the needs of
the server even after throttling has occurred, the system may shut down due to excessive
platform thermals.
By default, the Altitude option is set to 301 m – 900 m which is believed to cover the majority of
the operating altitudes for these server platforms.
You can set the "SET FAN PROFILE" option to either the Performance mode (Default) or
Acoustics mode. Refer to the following sections for details describing the differences between
each mode. Changing the fan profile to Acoustics mode may affect system performance. The
"SET FAN PROFILE" BIOS option is hidden when CLTT is selected as the THROTTLING
MODE option.
Revision 1.2
®
Server System SC5650HCBRP Fan Domain Table
Fan Domain
CPU 1 Fan, CPU 2 Fan
System Fan 5
System Fan 1
System Fan 2 (not used in SC5650HCBRP)
System Fan 3
System Fan 4 (not used in SC5650HCBRP)
Intel order number E81443-002
Onboard Fan Header
Platform Management
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