Service Manual

Removing the system board

NOTE: Before working inside your Embedded Box PC, read the safety information that shipped with your Embedded Box

PC and follow the steps in Before working inside your Embedded Box PC. After working inside your Embedded Box PC,

follow the steps in After working inside your Embedded Box PC. For more safety best practices, see the Regulatory

Compliance home page at www.dell.com/regulatory_compliance.

NOTE: Your Embedded Box PC’s Service Tag is stored in the system board. You must enter the Service Tag in the BIOS

setup program after you replace the system board.

NOTE: Replacing the system board removes any changes you have made to the BIOS using the BIOS setup program. You

must make the appropriate changes again after you replace the system board.

NOTE: Before disconnecting the cables from the system board, note the location of the connectors so that you can

reconnect the cables correctly after you replace the system board.

Topics:

• Prerequisites

• Procedure

Prerequisites

1. Follow step 1 to step 6 in “Removing the back cover”.

2. Remove the PCI/PCIe card (if installed).

3. Remove the WLAN-antenna connectors.

4. Remove the WLAN card.

5. Remove the WWAN-antenna connectors.

6. Remove the CANbus card or WWAN card.

7. Remove the SIM card.

8. Remove the intrusion switch.

9. Remove the memory module.

10. Remove the heat sink.

11. Remove the riser card.

12. Remove the power connectors.

13. Follow step 1 to step 4 in Removing the top cover.

14. Remove the CPU board.

Procedure

1. Disconnect the serial-port cable, SATA data-cable, and SATA power-cable from the system board.

Removing the system board 87