Yamaha CRW4416SX Series User Manual page 16

Chapter 3 - Installing the Yamaha CRW4416SX Drive
Terminator setting
The terminator setting indicates whether or not this device is the last
connected SCSI device.
Terminator ON
TERMINATOR
Terminator OFF
TERMINATOR
8
Use this setting if the CRW4416SX is the last device in the
SCSI daisy-chain.
OFF ON
Use this setting if devices other than the CRW4416SX are in
the SCSI daisy-chain and the CRW4416SX is not the last
OFF ON
device.