Dell C6105 System Board

Installing System Components | 95

System Board

CAUTION: Many repairs may only be done by a cert ified service technician. You

should only perform troubleshooting and si mple repairs as authorized in your

product documentation, or as directed by the o nline or telephone service and

support team. Damage due to servicing that is n ot authorized by Dell is not

covered by your warranty. Read and follow the safet y instructions that came with

the product.

1 Turn off the system and attached peripherals, and disconnect the

system from the electrical outlet.

2 Remove the system-board assembly. See "Removing a System-Board

Assembly" on page 68.

3 Remove the heat sink. See "Removing the Heat Sink" on page 70.

4 Remove the expansion-card assembly. See "Removing the Expansion

Card" on page 75.

5 If installed, remove the SAS daughter card. See "Removing the SAS

Daughter Card" on page 80.

6 Disconnect the hard drive and power cables from the system board.

7 Remove the eight screws and then slide the system board. See Figure 3-

19.

CAUTION: Do not lift the system board by grasping a memory m odule, processor,

or other components.

8 Grasp the system board by the edges and lift the system board away

from the system-board assembly. See Figure 3-19.