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ADAC Ultra2 S466 Hardware Guide
64
SCSI Termination, Continued
Connecting Non-Disk SCSI Devices SCSI Tape drives, scanners, CD-
ROM drives, and other non-disk drive devices must each
have a unique SCSI ID regardless of the SCSI channel they
are attached to. The general rule for Unix systems is:
• tape drive set to SCSI ID 2, and
• CD-ROM drive set to SCSI ID 5.
Make sure that no hard disk drives are attached to the same
SCSI channel as the non-disk SCSI devices. Drive
performance will be significantly degraded if SCSI hard
disk drives are attached to this channel.
Warning
Since all non-disk SCSI devices are single ended, it is not
advisable to attach a non-disk device to a ADAC Ultra2 S466
RAID controller if LVD disk drives are also attached because the
SCSI bus will then operate in single ended mode.