NEC 8151-79 Built-In FDD User Manual page 13

5.
Place the file bay carefully on a stable and flat surface.
6.
Push the release tabs on both sides, and remove the bracket cover.
7.
Insert the floppy disk drive.
8.
Secure the floppy disk drive with the screws supplied, as illustrated below.
Screw
Bracket cover
-
Screw
13
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