Dell PowerEdge 6850 - Manual (Page 14)

Installing the SCSI Backplane
1. Install the SCSI backplane:
a. Slowly lower the backplane into the system, being careful to avoid damaging components on the face of the board.
b. Align the installation alignment slot on the bottom of the backplane with the alignment pin on the bottom of the chassis. See Figure C -4 .
c. Slide the retention slots on the backplane over the retention hooks on the chassis.
d. Slide the backplane downward until the blue retention pin snaps into place.
2. Connect the SCSI, data interface, and power cables to the back of the SCSI backplane.
Secure the SCSI cable(s) in the clip that is attached to the fan-3 air guard; attach the data interface cable clip to the fan-4 air guard to secure the data
interface cable. See
Figure C -3 .
3. Connect the control-panel cable to the front of the SCSI backplane.
4. Install the processor filler blanks or heat sinks on processors 2 and 4. See " Installing a Processor " in "Installing System Components."
5. Install the SCSI hard drives in their original locations. See " Installing a SCSI Hard Drive " in "Installing Drives."
6. Install the optical drive/diskette drive carrier.
Slide the drive carrier into its drive bay and press in the release latch. See Figure 7 -3 .
7. Install the cooling shroud. See " Installing the Cooling Shroud " in "Installing System Components."
8. Close the system. See " Closing the System " in "Troubleshooting Your System."
9. Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals.
System Board
Removing 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.