Replacing the RAID SAS controller
A ServeRAID SAS controller can be installed only in a dedicated slot on the system
board. Some models come with a ServeRAID-8k-l SAS controller installed.
The following illustration shows the ServeRAID-8k-l SAS controller.
ServeRAID
SAS controller
Retaining clips
Retaining clips
Connector
To replace the ServeRAID-8k-l SAS controller provided in some models with a
ServeRAID-8k SAS controller, complete the following steps:
1. Read the safety information that begins on page v and “Installation guidelines”
on page 9.
2. Turn off the server and peripheral devices and disconnect the power cords and
all external cables, if necessary; then, remove the server cover.
3. Remove the ServeRAID-8k-l controller from the connector.
a. Open the retaining clip on each end of the connector.
Attention: To avoid breaking the retaining clips or damaging the
connectors, handle the clips gently.
b. Carefully grasp the controller by its top edge or upper corners, and pull the
controller from the connector.
c. Place the ServeRAID-8k-l SAS controller into a static-protective package
and put it in a safe place.
4. Position the ServeRAID-8k controller by aligning the edge connector with the
connector on the system board. Insert the controller firmly into the connector.
The retaining clips snap into the locked position when the controller is firmly
seated in the connector.
18 IBM System x3550 Type 7978: Installation Guide
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