EmulatorII-list

Hi,

I have a Mac Classic running SoundDesigner with a CD-Rom drive attached. It used to work perfectly. A couple of months ago I moved my studio and yesterday I finally tried to set it all up again and now the Classic won't boot when the CD-Drive SCSI connector is attached! I get the question mark on the Mac's screen. When I remove the SCSI plug on the Mac it will boot up normally. I tried all SCSI ID settings on the drive and also have a SCSI termination plug plugged into the 2nd SCSI terminal on the drive. I verified the Extensions folder and the CD-driver is still there. 

Does anyone know why it's doing that? Am I missing something?