Intel AC450NX CPU Baseboard

AC450NX Rack Server System Product Guide
144
CPU Baseboard
Removing the CPU Base board
See Figure 13-10.
1. Observe the precautions on page 115, “Safety Guidelines.”
2. Remove the CPU tray as described earlier.
3. Remove the front panel board as described earlier.
4. Remove the terminator modules as described earlier.
5. Remove the processors as described earlier.
6. Remove the screws in the base of the processor retention module.
7. Remove the module—it comes out as one unit—and set it aside.
8. Remove the DC to DC converters as described earlier.
9. Lift the baseboard to unsnap it from the snap-on standoffs.
10. Place the baseboard on a nonconductive, static-free surface, or store it in an antistatic
protective wrapper.
Reinstalling the CPU Baseboard
See Figure 13-10.
1. Remove CPU baseboard from the antistatic protective wrapper if you placed it in one.
2. Position the baseboard over the snap-on and threaded standoffs on the CPU tray.
3. Press the baseboard onto the snap-on standoffs, and insert the screws loosely into the threaded
standoffs.
4. Position the processor retention module over the CPU baseboard and loosely insert the
retaining screws into the threaded standoffs.
5. Make sure the baseboard is properly seated, and then tighten all screws to 8.0 inch-pounds.
6. Reinstall the processors and any terminator modules as described earlier.
7. Reinstall DC to DC converters as described earlier.
8. Reinstall the front panel board as described earlier.
9. Reinstall the CPU tray as described earlier.