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About SCSI
SCSI Device Support
The SCSI RAID controller is designed to work with Ultra320 SCSI
hard drives. In addition, the controller operates at reduced
performance with all Ultra2 or higher SCSI drives and peripherals,
as described in the table below.
Note: Adaptec does not recommend using SCSI devices older
than Ultra2 with this controller.
Caution: HVD devices are not supported and will damage
your controller.
See Mixing SE Devices with LVD Devices on page F-3 for more
details.
Setting SCSI IDs
For each controller channel, the SCSI IDs of the devices must be
unique numbers between 0 and 15. The controller, itself a SCSI
device, is usually set to ID 7 by default. SE drives usually support
IDs between 0 and 6.
SCSI enclosures that use SCSI drives with 80-pin SCA connectors
typically assign the drive ID automatically when the drive is
inserted. You don’t need to set device IDs with such enclosures
unless your enclosure requires it. For details, refer to the enclosure
User’s Guide.
The RAID controller ID can be changed to any ID from 0 through 7
using the ARC utility
.
Note: Do not change the controller ID unless the change is
absolutely necessary.
Operating Systems Devices Supported
All Ultra2 and faster SCSI drives
All except Linux Tape, CD-ROM, CD-RW, and magneto-optical
drives and jukeboxes.
!