3. Install the fan cage. See “Install a fan cage (lower tray)” on page 320.
4. Install the lower compute tray. See “Install a compute tray” on page 307.
5. Install any hard disk drives that you removed from the lower compute tray. Each drive should be
installed in its original location. See “Install a hard disk drive” on page 324.
6. Install the front cover. See “Install the front cover” on page 322.
I/O tray replacement
The I/O tray is accessed from the rear of the server. The I/O tray is the server component that stores server
identity information. This information must be transferred to the new I/O tray during maintenance
replacement.
Remove the I/O tray
The I/O tray is accessed from the rear of the server. Open the release levers to extract the I/O tray. If you are
removing the I/O tray as part of a maintenance replacement, you must transfer system identification
information to the new I/O tray.
S002
CAUTION:
The power-control button on the device and the power switch on the power supply do not turn off the
electrical current supplied to the device. The device also might have more than one power cord. To
remove all electrical current from the device, ensure that all power cords are disconnected from the
power source.
CAUTION:
Make sure that all server power cords are disconnected from their power sources before performing
this procedure.
Before you remove the I/O tray:
• Disconnect and label all cables connected to adapters in the I/O tray.
Note:
System identification information for the ThinkSystem SR950 server is stored in the I/O tray. If you
are removing the I/O tray to replace it as part of a maintenance operation, you will need to transfer system
identification information to the new I/O tray, after it is installed in the server.
• If you are managing the server from Lenovo XClarity Administrator, make sure that you unmanage the
server before removing the I/O tray. Then, you can manage the server again after the new I/O tray has
been replaced.
Complete the following steps to remove the I/O tray.
Watch the procedure
. A video of the installation process is available:
•
•
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ThinkSystem SR950 Setup Guide
Summary of Contents for ThinkSystem SR950
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