3Push the tray assembly toward the chassis until the three tabs at the top of the tray assembly are seated in the corresponding slots on the chassis.

Tab slots

Tabs

4Push the handle in and slide the tray assembly downward until it locks the tray in place.

5Turn the chassis around and press down on the top edge of the system board to make sure that it is firmly seated in the riser card slot.

6Replace or reconnect the following devices:

￿Processor. (See “Replacing the processor” on page 61.)

￿AGP graphics card. (See “Replacing the AGP card” on page 51.)

￿Peripheral devices attached to the rear-panel I/O connectors.

￿Devices from the old system board that are not included with the new board. (See “System board” on page 7 for device locations.)

7Replace the left and right panels. (See “Replacing the side panels” on page 23 for instructions.)

8Reconnect the power cord and all other cords you removed, then turn on the system.

60System Components