Yamaha CD-R/RW Drive CRW6416SX Owner's Manual page 22

Setting Up The CRW6416SX Drive
5 Insert your SCSI adapter card into the slot using both hands. Make sure it is
seated firmly in the slot. Then secure the card by replacing the screw used
for the blanking plate.
6 Attach the outer casing of the computer and any screws that were removed. Then
reconnect the computer to the electrical outlet but do not power it up yet.
Replace screw
Insert SCSI adapter card
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