Figure 4-44 Installing The Motherboard - Sun Microsystems Ultra 20 User Manual

4.5.14 Installing the Motherboard
Caution – Observe proper ESD precautions when handling the new motherboard.
1. Replace the CPU or DIMMs as necessary.
Refer to the following sections for information about removing and replacing the
CPU and memory:
Section 4.5.11, "Replacing a CPU" on page 4-45
■
Section 4.5.4, "Replacing or Adding DIMMs" on page 4-19
■
2. Center the motherboard on the chassis so that the screw holes in the motherboard
align with the screw holes on the chassis.
3. Secure the eight Phillips screws that fasten the motherboard to the chassis. Torque
the screws to 8- to 9-inch pounds (see
FIGURE 4-44
Installing the Motherboard
).
FIGURE 4-44
Chapter 4 Maintaining the Workstation 4-57