Fujitsu PRIMERGY TX120 S3 Upgrade And Maintenance Manual page 288

Accessible drives
Ê Remove the USB cable from the system board (3).
I
Notes on RDX drive USB cabling:
If the backup drive is connected via an USB 3.0 interface card,
disconnect the USB cable from the interface card.
Ê Remove the SATA power cable from the cable clamps (circle 1) and
(circle 2).
Figure 165: Removing screw from the backup drive
Ê Remove the screw.
288 Upgrade and Maintenance Manual
TX120 S3