Dell POWEREDGE 840 - Manual (Page 63)

Installing System Components
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12 Install the hard drives into the hard-drive bay. See Figure 3-11.
13 Reconnect the system to its electrical outlet and turn the system on, including any attached
peripherals.
14 Install any required device drivers.
15 Run the SAS controllers tests and the hard-drive tests in the system diagnostics. See "Running the
System Diagnostics" on page 112.
Installing SATA and SCSI hard drives in the same system is not supported.
Figure 3-13. SAS Backplane Connected to a SAS Controller Card
1 SAS backplane 2 SATA hard drive (up to four) 3 SAS interface cable
4 SAS controller card
1
2 3
4