Sun Microsystems Sun Fire X4140, Service Manual

Page: 118 / 168

5-24 Sun Fire X4140 Server Service Manual • September 2010
c. Reconnect the power cord (or cords) to the power supply (or supplies).
Verify that the AC Present LED is lit.
See Section 6.4, “Powering On the Server” on page 6-5 .
d. Power on the server.
See Section 6.4, “Powering On the Server” on page 6-5 .
5.8.5 Removing a PDB Cable
To remove a Power Distribution Board cable.
1. Prepare the server for service.
a. Power off the server.
See Section 2.4, “Powering Off the Server” on page 2-4 .
b. Disconnect the power cord (or cords) from the power supply (or supplies).
See Section 2.4, “Powering Off the Server” on page 2-4 .
c. Slide the server out of the rack.
See Section 2.5, “Extending the Server to the Maintenance Position” on
page 2-5 .
d. Attach an antistatic wrist strap.
See Section 2.7, “Performing Electrostatic Discharge and Antistatic Prevention
Measures” on page 2-9 .
e. Remove the top cover.
See Section 2.8, “Removing the Top Cover” on page 2-11 .
2. Remove the PDB end of the cable.
a. Release the latches on either side and then pull the cable straight up.
b. Grasp each end of the connector on the motherboard, and then pull straight
up to disconnect from connector.
Caution –
Do not to bend the pins on the unshrouded motherboard connector.