9. Position the new dc rear panel so that it aligns with the dc power terminals on
the system. Make sure that the dc rear panel is well seated on the system.
10. Using a screwdriver, tighten the three captive fasteners on the new dc rear
panel.
Note: Torque the screws to 8 inch-pounds.
11. If you have no other replacement procedures to perform at the rear of the
system, re-install the LAN module (see “Installing the LAN module” on page
59) and the KVM module (see “Installing the KVM module” on page 57).
12. Connect the power cable connectors to the dc terminals of the BladeCenter T
unit (see page19).
13. Reinstall dc terminal covers.
14. Start up the system (see “Starting the BladeCenter T unit” on page 19).
Upper flex circuit assembly
Complete the following steps to replace the upper flex circuit assembly.
Note:
v Read “Installation guidelines” on page 37.
v Read the safety notices at ″Safety information″ on page 113.
v Read “Handling static-sensitive devices” on page 40.
1. Shut down the system and remove power from the system (see “Shutting
down the BladeCenter T unit” on page 21).
2. For Type 8720 systems, remove the dc terminal covers and power connections
to each of the DC terminals. For Type 8730 systems, remove each power cord
from the input power connections on the rear of the BladeCenter T unit.
3. Remove the KVM module from the rear of the system (see “Removing the
KVM module” on page 57).
4. Remove the LAN module from the rear of the system (see “Removing the LAN
module” on page 59).
5. Remove the I/O switch that is above the upper flex circuit assembly that you
are removing.
6. Using a screwdriver, fully loosen the two captive fasteners on the old upper
flex circuit assembly.
Chapter 5. Service replaceable units 71