Sun Microsystems Ultra 5, Service Manual

Page: 149 / 258

Chapter 8 Motherboard and Component Replacement 8-3
FIGURE 8-1
Removing and Replacing the CPU Module
8.1.2 Replacing the CPU Module
1. Replace the CPU module as follows (
FIGURE 8-1
):
a. Position the CPU module onto the motherboard CPU connectors MJ1 and MJ2.
b. Grasping the CPU module, gently press on the CPU module rear edges and
then the front edges until the CPU module begins to seat.
c. Using both hands, align the CPU module, then press downward evenly on its
edges until the CPU module is properly seated in the motherboard CPU
connectors.
d. Push the hold-down clip forward over the edge of the CPU module.
e. Replace the hold-down clip. Using a No. 2 Phillips screwdriver, replace the
screw securing the CPU module hold-down clip to the motherboard.
f. Replace the hold-down brace. Using a No. 2 Phillips screwdriver, replace the
screw securing the hold-down brace to the riser.
CPU module
Motherboard CPU connector (2)
Riser
Hold-down clip
Hold-down brace
Screw