Yamaha CD REWRITABLE DRIVE CRW8824S-NB - Manual (Page 32)

Installation
24
5 Remove the four screws holding the CD-ROM drive in place, then slide the
drive forward and out from the drive bay.
Slide the CRW8824S drive backwards into the now-vacant bay without
applying excessive force.
CRW8824S
CD-ROM drive
6 Leave enough room behind the drive for connecting the power, SCSI and
audio cables. Then tighten the four fastening screws on the sides of the unit
by hand to hold the drive in place.