Jumpers and Connectors 125
Jumpers and Connectors
This section provides specific information about the system jumpers and describes the connectors on
the various boards in the system.

System Board Jumpers

CAUTION: Only trained service technicians are authorized to remove the system cover and access any of
the components inside the system. See your Product Information Guide for complete information about safety
precautions, working inside the computer, and protecting against electrostatic discharge.
Figure6-1 shows the location of the configuration jumpers on the system board. Table 6-1 lists the
jumper settings.
NOTE: To access the jumpers, remove the center fans and the center fan bracket. See "Removing and
Installing a Fan" on page53 and "Removing the Center Fan Bracket" on page 79.