NEC Server 140Rc-4 - Manual (Page 359)

Upgrading Your Server 9-73
14. Remove the screw located on the bracket of the rear serial cable connector.
15. Hook the bracket of the rear serial cable connector from the inside of the rear face.
16. Fix the serial cable connector from the outside of the rear face with a single screw
removed in step 14.
17. Change the settings of the jumpers on the baseboard, if it is necessary.
See the jumper positions shown in the figure below.
IMPORTANT: Do not change the other jumper settings. Failure to
follow it may cause the unit to be defected or some malfunction to
occur.
18. Install the removed parts.
When the cable is reinstalled on the front of the server, route the cable below the guide
rail for the PCI board from the position shown in the figure below.