Dell PowerEdge R900 - Manual (Page 115)

Installing System Components 115
Figure 3-25. Removing the SAS Backplane (3.5-inch Hard Drives)
5 Disconnect the control panel connector from the front of the SAS
backplane. See Figure 3-25.
1 Fan connector 2 SAS backplane
3 Control panel connector (front) 4 SATA A connector
5 Control panel connector (back) 6 SAS A connector
7 GND/+12V connector 8 SAS B connector
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