Lenovo System x3250 M5 Installation And Service Manual page 219

Step 2. Remove the PCI riser-card assembly (see "Removing the PCI riser-card assembly" on page 163).
Step 3. Remove the Operating temperature enhancement kit from the system board (see "System-board
internal connectors" on page 26 for the location of the Operating temperature enhancement kit
connector on the system board).
Thermal sensor cable
Figure 134. Operating temperature enhancement kit connection for 2.5-inch hard disk drive model
.
Chapter 6 Removing and replacing server components
205