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G5 5000 Service Manual

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Installing the system board

Prerequisites

If you are replacing a component, remove the existing component before performing the installation procedure.

Image: System-board components

About this task

Figure 1. System-board components
  1. front LED cable connector (PWR SW)
  2. LED daughter-board
  3. hard-drive data cable connector (SATA0)
  4. hard-drive power cable connector (SATA PWR)
  5. power-supply unit cable connector
  6. wireless-card slot
  7. coin-cell battery
  8. solid-state drive connector (m.2 PCIe SSD)
  9. PCIe x16 slot
  10. chassis-fan cable connector (FAN SYS)
  11. processor-power cable connector (ATX CPU1)
  12. processor-power cable connector (ATX CPU)
  13. processor
  14. memory-module slot (DIMM3)
  15. memory-module slot (DIMM1)
  16. memory-module slot (DIMM4)
  17. memory-module slot (DIMM2)

The following images indicate the location of the system board and provides a visual representation of the installation procedure.

Image: Installing the system board

Image: Installing the system board

Image: Installing the system board

Steps

  1. Slide the back I/O-ports on the system board into the front I/O-slots on the chassis and align the screw holes on the system board with the screw holes on the chassis.
  2. Replace the screw (M2x4) that secures the system board to the chassis.
  3. Replace the eight screws (#6-32) that secure the system board to the chassis.
  4. Route the cables through the routing guides and connect all the cables that you disconnected from the system board.
  5. Align the front I/O-bracket with the slots on the chassis.
  6. Replace the screw (#6-32) that secures the front I/O-bracket to the chassis.

Next steps

  1. Install the processor.
  2. Install the voltage regulator heat sink (optional).
  3. Install the processor fan and heat-sink assembly.
  4. Install the graphics card.
  5. Install the solid-state drive/Intel Optane.
  6. Install the wireless card.
  7. Install the memory module.
  8. Install the chassis fan.
  9. Install the LED daughter board.
  10. Install the 3.5-inch hard drive.
  11. Install the front cover.
  12. Install the left-side cover.
  13. Follow the procedure in After working inside your computer.
    NOTE: Your computer’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.

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