Configuration Fan bay 1 Fan bay 2 Fan bay 3 Fan bay 4 Fan bay 5 Fan bay 6
1 processor 24 SFF or
12 LFF configuration
with max performance
fans
Fan Fan Fan Fan Fan Fan
2 processors Fan Fan Fan Fan Fan Fan
For a single-processor configuration, excluding 24 SFF, 8 LFF, or 12 LFF configurations, four fans and two blanks are
required in specific fan bays for redundancy. A fan failure or missing fan causes a loss of redundancy. A second fan failure
or missing fan causes an orderly shutdown of the server.
For a dual-processor configuration or single-processor 24 SFF , 8 LFF, or 12 LFF configurations, six standard (8 LFF) or
max performance (24 SFF, 12 LFF) fans are required for redundancy. A fan failure or missing fan causes a loss of
redundancy. A second fan failure or missing fan causes an orderly shutdown of the server.
Max performance fans might be necessary in 24 SFF and 12 LFF configurations for the following installations:
• Optional GPU riser installations
• ASHRAE-compliant configurations
For more information, see the Hewlett Packard Enterprise website.
The server supports variable fan speeds. The fans operate at minimum speed until a temperature change requires a fan
speed increase to cool the server. The server shuts down during the following temperature-related scenarios:
• At POST and in the OS, iLO performs an orderly shutdown if a cautionary temperature level is detected. If the server
hardware detects a critical temperature level before an orderly shutdown occurs, the server performs an immediate
shutdown.
• When the Thermal Shutdown feature is disabled in the BIOS/Platform Configuration (RBSU), iLO does not perform an
orderly shutdown when a cautionary temperature level is detected. Disabling this feature does not disable the server
hardware from performing an immediate shutdown when a critical temperature level is detected.
CAUTION: A thermal event can damage server components when the Thermal Shutdown feature is disabled in
the BIOS/Platform Configuration (RBSU).
Installing high-performance fans
CAUTION: To prevent damage to the server, ensure that all DIMM latches are closed and locked before installing
the fans.
CAUTION: Do not operate the server for long periods with the access panel open or removed. Operating the server
in this manner results in improper airflow and improper cooling that can lead to thermal damage.
Procedure
1.
Extend the server from the rack.
2. Remove the access panel.
3. If installed, remove all fan blanks.
84
Hardware options installation
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