Observe proper antistatic precautions when handling a new motherboard.
Remove the new motherboard from its protective antistatic packaging.
Position the motherboard so that the back panel I/O connectors (audio and USB ports) are on the upper left.
Place the motherboard in the chassis on top of the standoffs.
Slide the motherboard toward the chassis back panel until the I/O ports on the upper left side of the motherboard engage the opening in the chassis back panel and the screw holes in the motherboard align with the screw holes in the standoffs.
The screw holes must align.
Secure the motherboard to the chassis using the nine Phillips-head screws (see Figure 3–36).
Connect the system cables to the motherboard.
Install the system fan using the procedure described in the section, Replacing the System Fan.
Install the CPU and heat sink using the procedure described in the section, Replacing the Heat Sink and CPU.
Install the DIMMs using the procedure described in the section, To Install DIMMs.
Install any PCIe cards using the procedures described in the sections:
Verify that all system components are securely installed or connected.
Close the workstation and prepare for operation using the procedures described in the section, Closing the Workstation and Preparing for Operation.