NEC POWERMATE PROFESSIONAL - SERVICE MANUAL 05-1997 Service Manual page 159

Repair 5-9
Figure 5-10 Diskette Drive Screws
4. Slide the 3 1/2-inch diskette drive out of the system chassis (see Figure 5-11).
Figure 5-11 Diskette Drive Removal
NOTE: When reinstalling the diskette drive,
note that all power cables are keyed to fit only in
the correct position. The red edge of the diskette
drive signal cable is positioned as shown in
Figure 5-9.