NEC 140He User Manual page 273

3.
Pull the dummy cover toward you gently and carefully.
4.
Pull the SCSI cable and power cable out of the 5.25-inch device bay.
5.
Install the two latching rails coming with the server to the device with the screw (PL-CPIMSx3x6x15BF)
provided with the server.
IMPORTANT:
coming with the 5.25-inch device. Using longer screws or those of different diameter may
cause the device to be broken.
NOTE:
Use the lower screw holes to secure the rail to the device.
Always use the screws coming with the server. Do not use the screws
Screws
9-15