Lenovo System x3250 M5 Installation And Service Manual page 222

Thermal sensor cable
Figure 138. Operating temperature enhancement kit connection for 3.5-inch hard disk drive model
Attention: Make sure that the cable is not pinched and does not cover any connectors or obstruct
any components on the system board.
Step 3. Route the cable through the cable holder and slide the Operating temperature enhancement kit into
the connecting slot on the hard disk drive cage until the Operating temperature enhancement kit
locks into place with an audible click.
Figure 139. Operating temperature enhancement kit installation
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Lenovo System x3250 M5Installation and Service Guide