Lenovo THINKCENTRE 6396 - Manual (Page 104)

6. Install the new Express card assembly into the chassis by aligning the holes in
the Express card assembly with the pins in the chassis.
7. Install the four screws to secure the Express card assembly to the chassis.
8. Reconnect the cable to the Express card assembly.
9. Go to “Completing the FRU replacement” on page 103.
98 Hardware Maintenance Manual