23-6 SPARC Enterprise M8000/M9000 Servers Service Manual • June 2010
Caution – If the dual power feed option is installed, switch off the main line
switches for both power supply units.
Caution – After stopping all the domains, be sure to switch off the main line
switches in the power supply system to completely shut off the supply of power.
6. Connect the clip of the antistatic wrist strap and of the antistatic mat to the
server grounding port. See Section 1.4, “Antistatic Precautions” on page 1-6.
7. Ensure that the metallic underside of the wrist strap is in direct contact with
your skin. The wrist strap should be snug around the wrist so that it does not
rotate. See Section 1.4, “Antistatic Precautions” on page 1-6.
Caution – Before handling FRUs, be sure to connect the clip of the antistatic wrist
strap and of the antistatic mat to the server grounding port, and attach the band of
the wrist strap to one of your wrists. Place the FRUs on the grounded antistatic mat.
Failure to take these antistatic measures might result in serious damage.
8. Remove the following parts so that you can access the SWBP to be replaced.
M8000 (See
FIGURE 23-4):
Remove all I/O units (IOUs). (See Chapter 7)
M9000 (See
FIGURE 23-5):
Remove all I/O units (IOUs) on the operator panel side. (See Chapter 7)
9. Remove the SWBP to be replaced. (See
FIGURE 23-4 or FIGURE 23-5).
a. Disconnect five (SPARC Enterprise M9000 server) or three (SPARC
Enterprise M8000 server) signal cables and two power cords from the BP
while unlocking the connectors.
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).
b. Using a Phillips screwdriver, loosen the two screws securing the SWBP.
c. Pull out the SWBP carefully.