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Service-Only Parts Replacement Procedures

Dell™ PowerEdge™ 6800 Systems Installation and Troubleshooting Guide

  Recommended Tools

  Control Panel Assembly

  Chassis-Intrusion Switch

  System Board

  Power-Distribution Board

Recommended Tools

You may need the following items to perform the procedures in this section:

• Key to the system keylock
  
  
• Wrist grounding strap
  
  
• #2 Phillips screwdriver
  
  

Control Panel Assembly

Removing the Control Panel Assembly

CAUTION: Many repairs may be done only 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. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
   
   
2. Open the system. See "Opening the System" in "Troubleshooting Your System."
   
   
3. Remove the cooling shroud. See "Removing the Cooling Shroud" in "Installing System Components."
   
   
4. Disconnect the control-panel interface cable from the CTRL_PNL connector on the back of the SCSI backplane. See Figure A-5 in "Jumpers and Connectors".
   
   
5. Using a #2 Phillips screwdriver, remove the three mounting screws that secure the control panel assembly to the chassis. See Figure C-1.
   
   
6. Lift the control panel assembly and its cable away from the system. See Figure C-1.
   
   

Figure C-1. Removing the Control Panel Assembly

Installing the Control Panel Assembly

1. Insert the control-panel interface cable through the opening in the front of the system and connect the cable to the CTRL_PNL connector on the back of the SCSI backplane. See Figure A-5.
   
   
2. Using a #2 Phillips screwdriver, install the three mounting screws that secure the control panel assembly to the chassis. See Figure C-1.
   
   
3. Reinstall the cooling shroud. See "Installing the Cooling Shroud" in "Installing System Components."
   
   
4. Close the system. See "Closing the System" in "Troubleshooting Your System."
   
   
5. Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals.
   
   

Chassis-Intrusion Switch

Removing the Chassis-Intrusion Switch

CAUTION: Many repairs may be done only 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. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
   
   
2. Open the system. See "Opening the System" in "Troubleshooting Your System."
   
   
3. Remove the cooling shroud. See "Removing the Cooling Shroud" in "Installing System Components."
   
   
4. Disconnect the intrusion-switch cable from the intrusion-switch connector on the system board. See Figure A-3 in "Jumpers and Connectors".
   
   
5. Slide the intrusion switch out of the bracket on the system chassis. See Figure C-2.
   
   

Figure C-2. Removing the Chassis-Intrusion Switch

Replacing the Chassis-Intrusion Switch

1. Slide the new switch into the bracket on the system chassis. See Figure C-2.
   
   
2. Connect the chassis-intrusion switch cable to the intrusion-switch connector on the system board. See Figure A-3.
   
   
3. Reinstall the cooling shroud. See "Installing the Cooling Shroud" in "Installing System Components."
   
   
4. Close the system. See "Closing the System" in "Troubleshooting Your System."
   
   
5. Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals.
   
   

System Board

The system board and system board tray are removed and replaced as a single assembly.

CAUTION: Many repairs may be done only 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.

CAUTION: The processor heat sinks can get hot during operation. To avoid burns, ensure that the system has sufficient time to cool before removing the system board.

Removing the System Board

1. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
   
   
2. Open the system. See "Opening the System" in "Troubleshooting Your System."
   
   
3. Remove the cooling shroud. See "Removing the Cooling Shroud" in "Installing System Components."
   
   
4. Remove all expansion cards installed in the system. See "Removing an Expansion Card" in "Installing System Components."
   
   
5. Remove all memory riser cards or memory-riser-card filler blanks installed in the system. See "Removing a Memory Riser Card" or "Removing a Memory-Riser-Card Filler Blank" in "Installing System Components."
   
   
6. Remove the PCI-card support bracket from the system. See Figure C-3.
   
   
   1. Slide the latch at each end of the support bracket towards the back of the system.
      
      
   2. Lift the support bracket out of the system.
      
      

Figure C-3. Removing the PCI-Card Support Bracket

7. Remove the processor heat sink(s) and processor filler blanks. See "Removing a Processor" and Figure 6-13 in "Installing System Options."
   
   
8. Disconnect the following cables from the system board. See Figure A-3 in "Jumpers and Connectors" for the location of the cable connectors on the system board.
   
   
   • Disconnect the SCSI backplane interface cable from connector BKPLN SIG.
     
     
   • Disconnect the SCSI controller interface cable(s) from connectors SCSI_A and SCSI_B.
     
     
   • Disconnect the power distribution harness from the power cable connectors on the system board.
     
     
   • Disconnect the chassis-intrusion switch from the system board.
     
     
   • If applicable, disconnect the optional RAID battery from the RAID_BAT connector.
     
     

See step 10 in "Activating the Optional Integrated RAID Controller" in "Installing Drives" for suggestions on improving access to this connector.

9. Remove the RAID battery holder from the side of the system by sliding the holder upwards until the tabs at each end of the holder disengage from the slots in the system chassis. See Figure C-4.
   
   

Figure C-4. Removing the RAID Battery Holder

10. Lift the blue retention pin and slide the system board toward the front of the chassis about 1.2 cm (0.5 inch).
    
    
11. Holding the system board by the black plastic processor retainer bracket and the back edge of the board, carefully lift the system board out of the chassis. See Figure C-4.
    
    

You may need to tilt the board to avoid interference from the power distribution harness.

Figure C-5. Removing and Installing the System Board

Installing the System Board

1. Unpack the new system board.
   
   
2. Ensure that the system board jumpers are set the same as on the board that you just removed, and change the settings if necessary. See Figure A-2 in "Jumpers, Switches, and Connectors."
   
   
3. If applicable, transfer the RAID key and RAID memory module to the new system board. See "Activating the Optional Integrated RAID Controller" in "Installing Drives."
   
   
4. Remove the processor(s) from the original system board. See "Removing a Processor" in "Installing System Components."
   
   
5. Reinstall the processors on the new system board. See "Installing a Processor" in "Installing System Components."
   
   

NOTICE: Do not install the processor heat sink(s) until step 11 later in this procedure.

6. If applicable, transfer VRM 3 and VRM 4 to the new system board. See "Installing a Processor VRM" in "Installing System Components."
   
   
7. Making sure that no cables are trapped beneath the system board tray, lower the new system board into the chassis.
   
   
8. Slide the system board toward the back of the chassis as far as possible.
   
   
9. Replace the RAID battery holder. See Figure C-4.
   
   
10. Reconnect the following cables to the system board. See Figure A-3 in "Jumpers and Connectors" for the location of the connectors on the system board.
    
    
    • Connect the power distribution harness to the system board.
      
      
    • Connect the backplane interface cable to connector BKPLN SIG.
      
      
    • Connect the chassis-intrusion switch to the system board.
      
      
    • If applicable, reconnect the optional RAID battery to the RAID_BAT connector.
      
      
    • Connect the SCSI interface cable(s) to connectors SCSI_A and SCSI_B.
      
      
11. Reinstall the processor heat sink(s) and processor filler blanks. See "Installing a Processor" and Figure 6-13 in "Installing System Options."
    
    
12. To replace the PCI-card support bracket, lower the bracket into the system until the latch at each end of the bracket engages. See Figure C-3.
    
    
13. Replace all memory riser cards or memory-riser-card filler blanks installed in the system. See "Installing a Memory Riser Card" in "Installing System Components."
    
    
14. Replace all expansion cards installed in the system. See "Installing an Expansion Card" in "Installing System Components."
    
    
15. Reinstall the cooling shroud. See "Installing the Cooling Shroud" in "Installing System Components."
    
    
16. Close the system. See "Closing the System" in "Troubleshooting Your System."
    
    
17. Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals.
    
    

Power-Distribution Board

Removing the Power-Distribution Board

CAUTION: Many repairs may be done only 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. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
   
   
2. Remove the power supplies from the system. See "Removing a Power Supply" in "Installing System Components."
   
   

NOTICE: To prevent damage to the power supplies and power-distribution board, you must remove the power supplies from the system before removing the power-distribution board.

3. Open the system. See "Opening the System" in "Troubleshooting Your System."
   
   
4. Remove the system board. See "Removing the System Board."
   
   
5. Remove the seven Phillips screws securing the power distribution board, then lift the board from the system. See Figure C-6.
   
   

Figure C-6. Removing the Power-Distribution Board

Installing the Power-Distribution Board

1. Place the replacement power distribution board in the system and secure it with the seven Phillips screws.
   
   
2. Replace the system board.
   
   

See step 7 through step 15 in "Installing the System Board".

3. Close the system. See "Closing the System" in "Troubleshooting Your System."
   
   
4. Replace the power supplies. See "Installing a Power Supply" in "Installing System Components."
   
   
5. Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals.
   
   

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