Lenovo ThinkStation P300 Hardware Maintenance Manual page 104

2. Lift the clip on the side of the flex module upward and slide the flex module cover to the rear of the flex
module to remove the cover.
Figure 37. 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
"Locating parts on the system board" on page 72.
b. Press the two clips toward each other as shown to pull the eSATA connector or IEEE 1394 connector
out of the flex module.
Figure 38. Removing the eSATA connector or IEEE 1394 connector in the flex module
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ThinkStation P300 Hardware Maintenance Manual