1. SAS backplane
2. backplane power cable
3. SD signal cable
4. backplane signal cable
5. SD card socket
6. SAS cables (2)
7. release tabs (2)
8. hard-drive connector
Figure 47. Cabling Diagram—2.5 Inch (x10) Systems
1. cable retention bracket
2. system board
3. integrated storage controller card
4. SAS connector on system board
5. SAS backplane expander card
Installing The Hard-Drive Backplane
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.
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Summary of Contents for External OEMR R620
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