Installing The Hard Disk Drive And Bracket Into; Connecting A 3.5-Inch Sata Hard Disk - Lenovo ThinkStation 4157 Hardware Installation And Replacement Manual

Figure 18. Installing the hard disk drive and bracket into the drive bay
6. Using the signal cable that came with the new drive, connect one end of the signal cable to the drive.
Locate one of the extra five-wire power cables and connect it to the drive.
Note: The signal cable will be different depending on whether you are installing a SATA hard disk
drive or a SAS hard disk drive.
Figure 19. Connecting a 3.5-inch SATA hard disk drive
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ThinkStation Hardware Installation and Replacement Guide