Owners Manual

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: To prevent damage to the drives and backplane, you must remove the hard drives from the system before
removing the backplane.
CAUTION: You must note the number of each hard drive and temporarily label them before removal so that you can
replace them in the same locations.
1. Disconnect the HHD/SSD data, signal, and power cable(s) from the backplane.
2. Press the release tabs and lift the backplane upward and slide it toward the back of the chassis.
NOTE: To prevent damage to the control panel flex cable, unlatch the blocking tab on the connector before removing
the flex cable. Do not bend the flex cable at the connector. To unlatch the blocking tab for the x12 backplane, pull
the locking tab up. For the x18 and x2 backplanes, rotate the locking tab 90 degrees clockwise.
Figure 43. Removing and installing the 2.5 inch (x8) HHD/SSD backplane—Precision Rack 7910
1.
hard-drive backplane connectors (8) 2. left ear control panel cable
3. release tab 4. backplane power cable
5. SAS cable 6. mini SAS cable connector
70 Installing and removing system components