FUJITSU SPARC ENTERPRISE M8000 - Manual (Page 365)

Chapter 20 Backplane Replacement 20-9
FIGURE 20-5 Preparation for Accessing BP_B (Front of M9000)
8. Remove the BP to be replaced.
■ M8000 (See FIGURE 20-6 ):
a. Using a torque wrench (box driver size: M6), remove the four bolts that hold
the part shaped like an inverted L at the top edge of the bus bar of the BP.
b. While grasping the lock of the connector, remove every cable connected to
the BP.
Note – Be sure to press both lock release buttons inward and pull the connector
when removing the SAS cables (lock release buttons of the connector are yellow).