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FUJITSU SPARC ENTERPRISE M8000 User Manual

Page 167

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Chapter 6

Replacement of CPU/Memory Board Unit (CMU), CPU, and DIMM

6-15

Note –

DDC_A is displayed only for the M8000.

b. From the replacement parts list in the maintenance menu, select 1,

"CMU/IOU."

c. Then, perform the operation according to the instructions displayed in the

maintenance menu.

Check the states of the LEDs (POWER LED: off; CHECK LED: blinking) on the
CMU to be replaced, and begin the actual replacement work when a message
instructing the user to replace the target CMU is displayed. Leave the
maintenance menu as is until

Step 14

.

5. Connect the wrist strap clip to a cabinet grounding port, and attach the band of

the wrist strap to one of your wrists.

6. Remove the CMU to be replaced.

a. Using a Phillips screwdriver, turn the knob screws securing the upper and

lower eject/lock levers 90 to 180 degrees to unlock the levers. (Turn the knob
screw while lightly pulling the lever by one hand.)

b. Unlock the eject/lock levers to pull the CMU off the backplane.

c. While grasping the handle at the front of the CMU, pull the CMU out

partially until the [NEAR TO END] label comes into view.

d. Raise the handle at the upper part of the CMU.

e. While grasping the front and upper handles of the CMU, pull it out slowly

from the slot.

Note –

To upgrade the CMU, remove the dummy (filler) unit before mounting the

CMU to be added. Since the same levers are used on the dummy (filler) unit, please
operate the eject/lock levers in the same manner.

Caution –

A CMU with mounted components in the maximum configuration

weighs about 22 kg.