Seagate Exos X 4006 Series Hardware Installation And Maintenance Manual page 110

c. Pull the handle outward to lever the CM away from the midplane.
d. Use one hand to support the weight of the CM and the other to gently withdraw the CM from its slot.
e. Place it in a static-protected location.
2. Complete the following actions to replace it with a tested good CM:
a. Examine the tested good CM to make sure it is undamaged with pins that are straight, not bent.
b. Facing the rear of the storage enclosure, orient the CM with the open latch identically to the one you removed.
c. Use one hand to support the weight of the CM and the other to guide it into the empty CM slot.
d. Exerting even pressure to the center, gently press it against the midplane until the latch closes and locks in place.
3. After verifying the connectors are all undamaged, reconnect all cables as they were connected before.
Figure 83 Controller module removal, left (SAS 4-port version)
Figure 84 Controller module (SAS 4-port version)
Chapter 11 In-service field maintenance for 5U enclosures
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