Chinon CD-ROM Drive Unit Apple Rescue of Denver » Products Page » Products for Non Apple Computers » Chinon CD-ROM Drive Unit External SCSI Chinon CDX-435 CD-ROM Drive Unit. This is an external SCSI CD drive from 1993 with audio ports and dip switches on the back. While it appears to be in excellent condition, I do not have a power supply, so drive is untested, sold as-is. Product in stock Price: $10.00 Updating cart... Updating...