Technical rules for system fans
Your server supports two types of fans:
• Standard fan (27000 RPM)
• Performance fan (29000 RPM)
Server model
Fan type
With GPUs/CX6 adapters
Without GPUs/CX6 adapter
8 x 2.5'', 8 x 3.5'',
16 x 2.5''
Performance
Standard
12 x 3.5'', 24 x
2.5''
Performance
Performance
backplane-less
Performance
Performance
Notes:
• If your server is configured with one processor, five system fans (fan 1 to fan 5) are adequate to provide
proper cooling. However, you must keep the location for fan 6 occupied by a fan filler to ensure proper
airflow. Install fan 6 when there are two processors onboard.
• If there is an OCP 3.0 Ethernet adapter installed, when the system is powered off but still plugged in to AC
power, fan 1 and fan 2 will continue to spin at a much lower speed. This is the system design to provide
proper cooling for the OCP 3.0 Ethernet adapter.
Install server hardware options
This section includes instructions for performing initial installation of optional hardware. Each component
installation procedure references any tasks that need to be performed to gain access to the component
being replaced.
Installation procedures are presented in the optimum sequence to minimize work.
Attention:
To ensure the components you install work correctly without problems, read the following
precautions carefully.
• Make sure the components you are installing are supported by your server. For a list of supported optional
components for the server, see
https://static.lenovo.com/us/en/serverproven/index.shtml
.
• Always download and apply the latest firmware. This will help ensure that any known issues are
addressed, and that your server is ready to work with optimal performance. Go to
to download firmware updates for your server.
• It is good practice to make sure that the server is working correctly before you install an optional
component.
• Follow the installation procedures in this section and use appropriate tools. Incorrectly installed
components can cause system failure from damaged pins, damaged connectors, loose cabling, or loose
components.
Remove the security bezel
Use this information to remove the security bezel.
About this task
Attention:
152
ThinkSystem SR665 Setup Guide
Содержание ThinkSystem SR665
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