136 Upgrading Boardset Components
Profusion Carrier: Removing and Installing

Removing the Profusion Carrier

See Figure 45.
1. Observe the safety and ESD precautions at the beginning of this chapter.
2. Remove the memory module (page 142).
3. Remove the cache coherency filters (page 132).
4. Remove the profusion carrier tray (page 104).
5. Remove the processor retention bracket (page 134).
6. Remove the mezzanine board(s) (page 135).
7. Remove the front panel controller board (page 106).
8. Remove the screws in the base of the S.E.C. cartridge guides.
9. Remove the cartridge guides—they come out as one unit—and set them aside.
10. Remove the screws securing the profusion carrier to the chassis.
11. Lift the profusion carrier to unsnap it from the snap-on standoffs.
12. Place the carrier on a nonconductive, static-free surface, or store it in an antistatic protective
wrapper.

Installing the Profusion Carrier

See Figure 45.
1. Remove the profusion carrier from its protective wrapper.
2. Position the carrier over the snap-on and threaded standoffs on the profusion tray.
3. Press the carrier onto the snap-on standoffs, and insert the screws loosely into the threaded
standoffs.
4. Position the cartridge guides over the profusion carrier and loosely insert the retaining screws
into the threaded standoffs.
5. Make sure the carrier is properly seated, then tighten all screws to 8.0 inch-pounds.
6. Install the mezzanine board(s) (see page 135).
7. Install the front panel board.
8. Install the profusion tray.