Dell Precision T3400 (Late 2007) - Manual (Page 204)

204
Adding and Replacing Parts
6 If you are removing a SATA drive, disconnect the serial ATA cable from the
back of the hard drive and from the SATA connector on the system board.
7 If you are removing a SAS drive:
a Disconnect the power cable form the SAS connector.
b Disconnect the SAS connector from the hard drive.
c Disconnect the SAS connector from the SAS controller card.
8 Slide the sliding-plate lever to the right to release the shoulder screw and
slide the drive out of the lower 5.25-inch drive bay.
1 power cable 2 power supply
3 serial ATA cable 4 SATA connector
5 optional serial ATA hard drive in
lower 5.25-inch drive bay
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