Dell R520, E19S owner manual Installing The System Board, Release screws System board holder

a.mini SAS cable connector

b.metal tab

c.connector on the system board

6.Disconnect all other cables from the system board.

CAUTION: Take care not to damage the system identification button while removing the system board from the chassis.

7.Remove the system battery.

8.Grasp the system-board holder, slide the system board toward the front of the system, and lift the system board out of the chassis.

CAUTION: Do not lift the system board assembly by grasping a memory module, processor, or other components.

Figure 55. Removing and Installing the System Board

1.release screws (9)

2.system board holder

3.system board

Installing The System Board

CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product.

1.Unpack the new system board assembly.

CAUTION: Do not lift the system board assembly by grasping a memory module, processor, or other components.

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