Lenovo ThinkStation P310 Hardware Maintenance Manual page 124

2. Lift the clip on the rear of the flex module and slide the flex module cover to the rear to remove the cover.
Figure 57. Removing the flex module cover
3. If you are replacing an eSATA connector or IEEE 1394 connector, do the following:
a. Disconnect the eSATA connector or IEEE 1394 connector cable from the system board. See "Parts
on the system board" on page 34.
b. Press the two clips toward each other as shown and then pull the eSATA connector or IEEE 1394
connector out of the flex module.
Figure 58. Removing the eSATA connector or IEEE 1394 connector from the flex module
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ThinkStation P310 Hardware Maintenance Manual