Installing A Sas Hard Disk Drive Backplane; Internal Cable Routing And Connectors - Lenovo ThinkServer RD220 Hardware Maintenance Manual

Step 6. To obtain more working room, remove the fans and the fan bracket (see Removing a hot-swap
fan and Removing the fan bracket).
Step 7. Disconnect the backplane cables.
Step 8. Lift the backplane out of the server by pulling it toward the rear of the server, then lifting it up.
Step 9. If you are instructed to return the backplane, follow all packaging instructions, and use any
packaging materials for shipping that are supplied to you.

Installing a SAS hard disk drive backplane

To install the replacement SAS hard disk drive backplane, complete the following steps.
Step 1. Connect the power and signal cables to the replacement backplane.
Step 2. Align the backplane with the backplane slot in the chassis and the small slots on top of the hard
disk drive cage.
Step 3. Lower the backplane into the slots on the chassis.
Step 4. Rotate the top of the backplane until the front tab clicks into place into the latches on the chassis.
Step 5. Insert the hard disk drives the rest of the way into the bays.
Step 6. Replace the fan bracket and fans if you removed them (see Installing the fan bracket and Installing
a hot-swap fan).
Step 7. Install the cover (see ).
Step 8. Slide the server into the rack.
Step 9. Reconnect the external cables; then, reconnect the power cords and turn on the peripheral devices
and the server.

Internal cable routing and connectors

The following illustration shows the internal routing and connectors for the two SAS signal cables (in server
models with eight SAS drive bays).
Notes:
1. To connect the SAS signal cables, make sure that you first connect the signal cable, and then the power
cable and signal cable.
2. To disconnect the SAS signal cables, make sure that you first disconnect the power cable, and then the
signal cable and configuration cable.
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Chapter 6 Removing and installing FRUs
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