Service Manual

Figure 114. Removing the cable chain assembly from the system
Next steps
Replace the cable chain assembly.
Installing the cable chain assembly
Prerequisites
1. Follow the safety guidelines listed in Safety Instructions.
2. Power off the system and all attached peripherals.
3. Disconnect the system from the electrical outlet, and disconnect the peripherals.
4. Ensure that all internal cables are routed correctly and connected, and no tools or extra parts are left inside the system.
5. Open the drive bays, remove all drives, and then close the drive bays.
6. Remove the power supply units.
7. If installed, remove the front bezel.
8. Remove the system from the rack and place it on an ESD work bench. For more information, see the Rail Installation Guide at
www.dell.com/xcseriesmanuals.
9. Remove the system cover.
10. Remove the following:
a. Drive bay 1 backplane bracket.
b. Drive bay 2 backplane bracket.
c. Air shroud.
d. Intrusion switch.
e. Internal PERC riser.
f. Memory modules for processor 1.
g. PIB.
11. Disconnect all cables connected to the cable chain assembly from the backplanes and the system board.
Steps
1. Place the cable chain assembly in the system and route the left control panel cable through the cable chain base bracket.
Installing and removing system components
125