1System board
2Screw
To remove the system board, perform the following steps:
1.Disconnect all cables from their connectors at the back of the computer.
2.Remove the drive shelf assembly.
3.Remove the
4.Remove the
5.Disconnect all cables from the system board.
6.Remove the screw that secures the system board to the bottom of the chassis (see Figure 31).
7.Slide the system board toward the front of the chassis until it stops.
8.Carefully lift the system board out of the chassis (be sure to lift evenly and not twist the system board). To install a new system board, perform the following steps:
1.Remove the RIMMs and the microprocessor/cooling fan/heat sink assembly and install them on the replacement board.
2.Set the jumpers on the new system board so that they are identical to those on the old board, unless a microprocessor upgrade is being installed.
3.Push down near each slot to engage the grounding clip onto its corresponding tab.
4.Push evenly on both sides of the system board as you slide it into position (do not twist the system board).
5.Replace the screw that secures the system board to the bottom of the chassis.
6.Reconnect all cables to the system board.
7.Replace the
8.Replace the
9.Replace the drive shelf assembly.
10.Replace the computer cover.
11.Reset the chassis intrusion detector. While in System Setup, confirm that the system data area correctly identifies the type of microprocessor installed.
