Remove the top cover. See Opening the Top Cover on
page 2-2.
Disconnect all cables from mainboard. See Mainboard
Jumpers and Connectors on page 5-1.
1. Remove eight (8) screws securing mainboard to chassis.
Figure 2-16. Removing the Mainboard Module Screws
2. Lift the front end of the mainboard until free of the chassis
guide pin.
Figure 2-17. Aligning to the Chassis Guide Pin