NEC Express5800 User Manual page 396

9-58 Upgrading Your Server
Installation
1.
See the section "Preparing for Installation and Removal" described earlier to prepare.
2.
Remove the side cover.
3.
Remove the two screws fixing the dummy cover.
4.
Pull out the dummy cover toward you carefully.
5.
Fix the rails coming with the server to the 5.25-inch device by using the four screws
coming with the device.
IMPORTANT:
Always use the screws coming with the 5.25-inch device. Using

longer screws or those of different diameter may cause the device to
be broken.
Some devices have a cover on its front face. If the cover contacts

with the front door when closing the front door, move the rail
position so that the device can be seated deep in.
When installing a double-height device, use the DLT device rails

(larger L-shaped rail) that come with the server.