Sun Oracle Fire X4470 M2, Руководство по обслуживанию

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Chapter 5 Servicing FRU Components 5-13
2. Pull both power supplies at least part way out of the chassis, to disconnect them
from the power supply backplane.
See “Remove a Power Supply” on page 3-13 .
3. Remove the memory riser or filler panel closest to the air divider.
See Section 4.1.8 “Removing and Installing Memory Risers, DIMMs, and Filler
Panels” on page 4-8 .
4. Remove the air divider by pulling it up and out of the chassis.
5. Remove the ribbon cable connecting the power supply backplane to the
motherboard.
6. Remove the screw holding the power supply cover in place and remove the
power supply cover (Step 1 in
FIGURE 5-6
).
7. Remove the motherboard.
See “Remove the Motherboard” on page 5-19 . The motherboard removal
procedure involves removing the four bus bar screws that secure the motherboard
to the power supply backplane, as shown in Step 2 in
FIGURE 5-6
.
8. Disconnect the AC cables from power supply backplane.
9. Lift the power supply backplane out of the chassis (Step 3 in
FIGURE 5-6
).
FIGURE 5-6
Removing Power Supply Backplane