Sun Microsystems Ultra 20 M2 User Manual

5-56 Sun Ultra 20 M2 Workstation Service Manual • January 2007
5.17.2 Installing the Motherboard
Caution – Observe proper ESD precautions when handling a new motherboard.
1. Install the CPU and DIMMs as necessary.
Refer to the following sections for information about removing and replacing the
CPU and memory:
■ Section 5.16, “Replacing the Heatsink and CPU” on page 5-46
■ Section 5.8, “Removing or Installing DIMMs” on page 5-22
2. Place the motherboard on the chassis so that the screw holes in the motherboard
align with the screw holes on the chassis.
3. Secure the nine Phillips screws that fasten the motherboard to the chassis. Torque
the screws to 8- to 9-inch pounds (see
FIGURE 5-39).
4. Install any PCI cards or a PCI-E graphics card. See the following sections:
■ Section 5.9.2, “Installing a PCI-E Card” on page 5-27
■ Section 5.10.2, “Installing a PCI Card” on page 5-31.
5. Reconnect all internal system cables.
See Section 5.15, “Replacing System Cables” on page 5-45.
6. Verify that all system components are securely installed or connected.

Sun Microsystems Ultra 20 M2 Specifications

General

Brand	Sun Microsystems
Model	Ultra 20 M2
Category	Desktop
Language	English