25
4. Tighten all fasteners that secure the system board and DPRM to the chassis. You may
need to adjust the Fastex fasteners slightly on the right side of the chassis.
5. Install the chassis brace.
6. Install the DIMMs, processor(s), and bus termination card (if used) on the system board.
7. Install the expansion cards back into their original slots.
8. Connect the internal cables to the system board. If you need help identifying cable
connections, see Chapter 5, “System Board.”
9. Place the power supply on its hinge pins, swing it back into the chassis, and secure it with
the plungers.
10. Install the power supply retaining/grounding screw on the rear of the chassis.
11. Install the right and left side panels, and then install the top cover.
Expansion Cards
See the system board diagram in Chapter 5, “System Board,” for connector and socket
locations.
To replace an expansion card:
1. Disconnect the external device attached to the expansion card connector on the rear of the
system.
2. Disconnect any internal cables that connect the card to another device (if installed).
3. Remove the screw that secures the card to the left card guide.
4. Pull the expansion card straight out and place it on an antistatic surface.
5. Slide the new card into the same slot from which you removed the old card.
6. Install the screw that secures the card to the left card guide.
7. Connect any cables from other internal devices, if installed.
8. Connect the external device to the expansion card connector on the rear of the system.
Fans
NOTE
Arrows on the fan indicate airflow direction and rotation. Ensure system fans are installed with
the airflow direction arrow pointing in the correct direction.
To replace the top system fan:
1. Remove the power supply. See the “Power Supply” section above for details.
