Dell PowerVault 775N Installation And Troubleshooting Manual page 59

4. Pull the system board tray straight back until it stops.
5. Lift the front of the system board tray upward slightly and then pull the tray straight back until it clears the chassis.
Replacing the System Board Tray
CAUTION: See "Protecting Against Electrostatic Discharge" in the safety instructions in your System
Information document.
1. With the system board tray levers in the upright position, slide the tray into the chassis until it stops (see
2. Rotate the system board tray levers down simultaneously until the tray is secured in the chassis (see
3. Replace the cover (see
Microprocessors
To take advantage of future options in speed and functionality, you can add a second microprocessor or replace either the
primary or secondary microprocessor.
NOTICE: The second microprocessor must be of the same type as the first. If the two microprocessors are different
speeds, both will operate at the speed of the slower microprocessor.
Each microprocessor and its associated cache memory are contained in a PGA package that is installed in a ZIF socket on the
system board. A second ZIF socket accommodates a secondary microprocessor.
NOTE: In a single microprocessor system, the microprocessor must be installed in the PROC 1 socket.
The following items are included in the microprocessor upgrade kit:
"Replacing the Cover" in "Troubleshooting Your System").
Figure 6-6).
Figure 6-3).