Dell 2100/200 manual Replacing the System Board Assembly, Reconnect the cables to the system board

•FAN (for the fan cable)

•AUXFAN (for the cable to an auxiliary fan)

•POWER (for the power supply cable)

•POWER3V (for the 3-volt power cable)

7.To work on the system board, place the system board assembly on a flat surface, with the system board facing up.

Replacing the System Board Assembly

To replace the system board assembly in the chassis, per- form the following steps:

1.Reconnect the cables to the system board.

Position the system board assembly near the chassis, and reconnect all cables you disconnected in step 6 of the preceding procedure. Double-check the cable con- nections before continuing.

2.Install the system board assembly in the chassis.

Facing the right side of the computer, hold the sys- tem board/mounting plate assembly in position. Align the input/output (I/O) connectors on the back of the system board with the openings in the back of the chassis, insert the system board mounting plate under the two tabs on the chassis (Figure 6-6), and then slide the system board assembly toward the back of the computer until the mounting screw holes align with the holes in the chassis.

tabs (2)

system board mounting plate

system board cables

Figure 6-6. Replacing the System Board Assembly

3.Replace and tighten the four mounting-plate screws.

4.Replace the computer cover as described in “Replacing the Computer Cover,” earlier in this chapter.

Working Inside Your Computer 6-83